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China China High Efficiency 7.5-250 Kw Oilless Energy Saving AC Rotary Single Screw Type Air Compressor with CE Used for Industrial

Product Description

ModelZ		SGD Series
Type of Cooling		Air Cooling/Water cooling
Motor Power	kw/hp	7.5~250kw(10~350hp)
Working Pressure	Mpa	0.8~1.2(customizable)
Starting Mode		Y-Δ
Type of Driving		Driect driven
Voltage		380V 220V 440V 415V / 3PH / 50HZ 60HZ Can be customized

Exhaust Oil Volum		<3ppm
Noise	db	68±2
Outlet Air Humidity	ºC	ambient temperature+15ºC

Advantages

-Simple, Compact Design:Sturdy construction with few moving parts, easy to access and maintain ,easy to
replace parts, very reliable and durable.

-Direct Axial Coupling to the Motor:Direct coupling is possible because the high compression ratio permit
slow rotation speeds, eliminating the need for transmission or gears. Fewer parts, mean slower energy
dissipation and simplified maintenance.

-Low Rotation Speeds:Lower speeds reduce vibration, thus diminishing noise and wear, lowering temperature
and eliminating the need for foundations.

-Low Cycle Temperature:Lower temperatures reduce wear,coolant consumption and leakage caused by
distension of parts.Less energy is needed for cooling, and the purity of delivered air is enhanced.

-Low Need for Maintenance:With fewer parts suffering little wear, single-stage rotary units offer cleaner and
more reliable operation, significantly reducing maintenance needs.
Technical Data of Direct Drive Electric Motor Screw Air Compressors

Model	Working Pressure		Capacity		Motor Power	Dimension (mm)	Net Weight (KGS)	Air Outlet Pipe Diameter
Model	Psi	bar	Cfm	m3/min	kw/hp	Dimension (mm)	Net Weight (KGS)	Air Outlet Pipe Diameter
SGD08	102	7	42.4	1.2	7.5/10	900670850	200	1/2”
	116	8	38.8	1.1
	145	10	33.5	0.95
	174	10	28.3	0.8
SGD11	102	7	58.3	1.65	11/15	10807501571	280	3/4”
	116	8	53	1.5
	145	10	45.9	1.3
	174	12	38.8	1.1
SGD15	102	7	88.3	2.5	15/20	10807501571	300	3/4”
	116	8	81.2	2.3
	145	10	74.2	2.1
	174	12	67.1	1.9
SGD18	102	7	113	3.2	18.5/25	13808501185	430	1”
	116	8	105.9	3
	145	10	95.3	2.7
	174	12	84.7	2.4
SGD22	100	7	134.2	3.8	22/30	13808501185	450	1”
	116	8	127.1	3.6
	145	10	113	3.2
	174	12	95.3	2.7
SGD30	102	7	187.1	5.3	30/40	13808501185	500	1”
	116	8	176.6	5
	145	10	158.9	4.5
	174	12	141.2	4
SGD37	102	7	240.1	6.8	37/50	150010001345	650	11/2″
	116	8	218.9	6.2
	145	10	197.7	5.6
	174	12	176.6	5
SGD45	102	7	261.3	7.4	45/60	150010001345	680	11/2″
	116	8	247.2	7
	145	10	218.9	6.2
	174	12	197.7	5.6
SGD55	102	7	353.1	10	55/75	180012501670	1150	2″
	116	8	339	9.6
	145	10	300.1	8.5
	174	12	268.4	7.6
SGD75	102	7	473.2	13.4	75/100	180012501670	1200	2″
	116	8	444.9	12.6
	145	10	395.5	11.2
	174	12	353.1	10
SGD90	102	7	572	16.2	90/120	180012501670	1350	2″
	116	8	529.7	15
	145	10	487.3	13.8
	174	12	434.3	12.3
SGD110	102	7	741.5	21	110/150	230014701840	1800	2 1/2”
	116	8	699.1	19.8
	145	10	614.4	17.4
	174	12	522.6	14.8
SGD132	102	7	865.1	24.5	132/175	230014701840	1850	2 1/2”
	116	8	819.2	23.2
	145	10	723.9	20.5
	174	12	614.4	17.4
SGD160	102	7	1013.4	28.7	160/200	230014701840	2000	2 1/2”
	116	8	974.6	27.6
	145	10	868.6	24.6
	174	12	759.2	21.5
SGD185	102	7	1129.9	32	185/250	315019802152	3500	DN85
	116	8	1073.4	30.4
	145	10	967.5	27.4
	174	12	875.7	24.8
SGD220	102	7	1271.2	36	220/300	315019802152	3800	DN85
	116	8	1211.1	34.3
	145	10	1066.4	30.2
	174	12	978.1	27.7
SGD250	102	7	1483	42	250/350	315019802152	4000	DN85
	116	8	1430.1	40.5
	145	10	1348.8	38.2
	174	12	1218.2	34.5
SGD315	102	7	1800.8	51	315/430	400019802152	6000	DN110
	116	8	1772.6	50.2
	145	10	1571.3	44.5
	174	12	1412.4	40
SGD355	102	7	2259.8	64	355/480	400019802152	6500	DN110
	116	8	2153.9	61
	145	10	1995	56.5
	174	12	1730.2	49
Motor Protection Class: IP23/IP54/IP55 or as per your required
Voltage: 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests.

FAQ:
Q1: What is the rotor speed for the air end?
A1: 2980rmp.
Q2: What’s your lead time?
A2: usually, 5-7 days. (OEM orders: 15days)
Q3: Can you offer water cooled air compressor?
A3: Yes, we can (normally, air cooled type).
Q4: What’s the payment term?
A4: T/T, L/C, Western Union, etc. Also we could accept USD, RMB, and other currency.
Q5: Do you accept customized voltage?
A5: Yes. 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph,
or as per your requests.
Q6: What is your warranty for air compressor?
A6: One year for the whole air compressor(not including the consumption spare parts) and technical supports
can be provided according to your needs.
Q7: Can you accept OEM orders?
A7: Yes, OEM orders are warmly welcome.
Q8: How about your customer service and after-sales service?
A8: 24hrs on-line support, 48hrs problem solved promise.
Q9: Do you have spare parts in stock?
A9: Yes, we do.
Q10: What kind of initial lubrication oil you used in air compressor?
A10: TOTAL 46# mineral oil.

Choosing the Right Air Compressor For Your Home

You will find that air compressors are indispensable tools for a variety of situations, including garages, home workshops, and basements. These tools can power a variety of tools, and each model is sized to suit the job at hand. Because air compressors have only 1 motor, they are lightweight, compact, and easy to handle. Using 1 air compressor to power several tools will also reduce the wear and tear on individual components. This article will introduce some important characteristics to look for when choosing the right air compressor for your home.

Positive displacement

A positive displacement compressor applies pressure to a fluid, whereas a centrifugal 1 does the opposite. A positive displacement compressor creates the desired pressure by trapping air and increasing its volume. Its discharge valve releases the high-pressure gas. These compressors are used in industrial applications and nuclear power plants. The difference between a positive and negative displacement compressor is that a positive displacement compressor can compress and release air at a consistent rate.
A positive displacement air compressor uses a reciprocating piston to compress air. This reduces the volume of the air in the compression chamber, and a discharge valve opens when the pressure reaches the desired level. These compressors are used in bicycle pumps and other pneumatic tools. Positive displacement air compressors have multiple inlet ports and have several configurations. Positive displacement air compressors have a single-acting and double-acting piston, and can be oil-lubricated or oil-free.
A positive displacement air compressor is different from a dynamic compressor. It draws air into the compression chambers and then releases the pressure when the valve is opened. Positive displacement compressors are common in industrial applications and are available in single-acting, double-acting, and oil-lubricated models. Large piston compressors have ventilated intermediate pieces and crossheads on gudgeon pins. Smaller models have permanently sealed crankcases with bearings.
air-compressor

Oil-free

Oil-free air compressors have some advantages over their oil-lubricated counterparts. They do not require lubrication oil because they are coated with Teflon. The material has 1 of the lowest coefficients of friction and is layered, so it slides past other layers with little effort. Because of this, oil-free compressors tend to be cheaper and still deliver comparable performance. Oil-free compressors are a good choice for industrial applications.
The life of an oil-free air compressor is significantly longer than an oil-lubricated counterpart. These models can operate up to 2,000 hours, 4 times longer than the average oil-lubed compressor. Oil-free compressors also have a significantly lower operating noise than their oil-lubricated counterparts. And because they don’t need oil changes, they are quieter. Some even last up to 2,000 hours.
An oil-free air compressor is a good choice if your application requires high levels of purity. Several applications require ultra-pure air, and even a drop of oil can cause product spoilage or damage to production equipment. In addition to the health risks, an oil-free air compressor reduces the costs associated with oil contamination and minimizes leaks. It also eliminates the need for oil collection, disposal, and treatment.
A typical oil-free air compressor is very efficient, requiring only about 18% of the full load horsepower. However, oil-free compressors have a higher risk of premature failure and are not recommended for large-scale industrial applications. They may also use up to 18% of the compressor’s full capacity. They may sound appealing, but you must make sure you understand the benefits of an oil-free air compressor before choosing 1 for your industrial applications.

Single-stage

A single-stage air compressor is designed to provide the power for a single pneumatic tool or device. These machines are generally smaller than two-stage compressors and produce less heat and energy. These machines aren’t designed for heavy-duty industries, but they are still highly effective for a variety of applications, including auto shops, gas stations, and various manufacturing plants. They can also be used in borewells, as they are suitable for small spaces with low air flow requirements.
A single-stage air compressor has 1 cylinder and 2 valves – the inlet and the delivery valves. Both of these valves function mechanically, with the inlet valve controlling torque and the delivery 1 controlling air pressure. Generally, single-stage compressors are powered by a gas engine, but there are also electric models available. The single-stage air compressor is the most common type of air compressor. It has a single cylinder, 1 piston, and 1 air cylinder.
The single-stage air compressors are used for small projects or personal use. A two-stage air compressor is more effective for industrial projects. Its longer air end life makes it more efficient. It is also more efficient for use in the automotive industry, where the engine has many cylinders. In general, single-stage compressors require a higher power level. The single-stage model is ideal for small projects, while a two-stage 1 is suitable for larger-scale arsenals.
air-compressor

CFM

The cubic foot-per-minute (CFM) of an air compressor is the output of the machine. In order to calculate the CFM level, start by looking at the compressor’s specifications. You should know how many cubic feet the unit can hold and how many pounds per square inch it can compress. Once you have these information, you can calculate the CFM. Now you can use these numbers to select an appropriate air compressor for your needs.
The most common way to increase the CFM of an air compressor is to turn the regulator down. By turning the dial down, the air compressor will produce more than 10 CFM. You can also try connecting 2 output valves. Make sure that the settings are adjusted properly before you begin. This will ensure that your air compressor is functioning at its maximum efficiency and lifespan. To increase the CFM of your air compressor, first check that your regulator is calibrated for the desired pressure level.
To calculate the CFM of an air compressor, first determine the tank volume of the machine. Then, multiply this volume by the time it takes to fill the tank. Then, divide the result by 60 seconds to calculate the CFM. Once you know how much air your machine can hold, you can choose a suitable air compressor. If you’re working in a confined area, you should buy a tool with a large tank.

PSI

The PSI of an air compressor is the pressure that it can output. A typical air compressor has a gauge connected to the airline at the bottom, next to it, or between the two. The gauge tells the actual pressure of the air compressor, while the cut-out pressure is determined by the manufacturer. The manufacturer recommends that you set the cut-out pressure 20 to 40 PSI higher than the factory recommended pressure. If you want to set the pressure for your nail gun, you can use the cut-in and cut-out pressures on your compressor, and the tank won’t exceed this range.
The PSI of an air compressor measures the force that it can deliver, which is often in pounds per square inch. For most air tools, you need at least 40 to 90 psi. In general, reciprocating air compressors work on an on/off basis. This relationship is known as the duty cycle. All air compressors are rated for a particular duty cycle, such as 50 percent on and 20-5 percent off.
The Psig of an air compressor is not free, as many people believe. The PSI of an air compressor is not free, but it is essential to maintain it for safe operations. If you’re having trouble maintaining a consistent pressure, consider turning down the PSI of your compressor by 2 psig. This will determine the critical pressure for the machine. You’ll also increase the amount of energy in the system by 1 percent.
air-compressor

Power source

The power source for an air compressor is crucial in its operation. Without the correct voltage and amperage, air compressors will not function properly. The power source must be close to the compressor so that it can plug into an electrical outlet. If it is too far from the outlet, the compressor may not be able to build enough pressure. When this happens, the fuse inside the air compressor will turn off to protect the user. The power source should be a safe distance from the compressor.
Most manufacturers do not specify the power source for an air compressor. Depending on the horsepower, the compressor will require approximately 4 amps of power. A one-horsepower compressor would draw about 12 amps. If it were powered by a typical 120-volt household supply, its motor would exceed the 15-amp breaker capacity. A larger air compressor, however, will require a separate 15-amp power source, making it impossible to use it with this type of power source.
The power source for an air compressor is typically electrical alternating current (AC) that is equivalent to the voltage on a standard wall outlet. A three-phase air compressor, on the other hand, requires a special AC supply with 3 electrical offset pulses. Regardless of the type of air compressor, the power source must be compatible with the incoming power service. One of the most common problems when attempting to connect an air compressor to an AC power source is undersized wire. This results in low voltage and high amperes, tripping of over-load relays and blown fuses.

China China High Efficiency 7.5-250 Kw Oilless Energy Saving AC Rotary Single Screw Type Air Compressor with CE Used for Industrial

China Air-Compressors Industrial Machines portable Car Dental Pump 100 Liter 8 Bar Oil Free Oilless Silence Rotary Air Pump Screw Air Compressor with Air Tank

Product Description

Manufacturer low noise power saving 37KW permanent magnet variable frequency screw air compressor 6.8 cubic air compressor screw

.Schematic diagram of the whole set of installation effect:

Rated exhaust pressure	3.0 Mpa
Drive way	Secondary direct connection
cooling method	Air cooling
Outlet temperature	Ambient temperature +25 ºC
Noise	65 dB(A)
Gas supply oil content	≤2 PPM
Dimensions	1650×1150× 1310 L×W×H(mm)
Total weight	868 Kg
Rated working power	3/380/60 PH/V/HZ
Motor protection level	IP54
Insulation class	Class F insulation

The Air Compressor Is a Versatile Tool

The Air Compressor is 1 of the most versatile tools in any garage or workshop. It is easy to use and can perform a variety of tasks, from jackhammering to drilling. These machines are available in a wide variety of sizes and types, making it an excellent choice for a variety of situations. With a single motor, you no longer need separate motors for each tool. Its lightweight, compact design makes it easy to handle, and the single motor also reduces wear on parts.
air-compressor

Oil-injected

Oil-injected air compressors require a large amount of lubricant, which needs to be added to the sump regularly to maintain optimum performance. As there are many types of industrial fluids, a well-intentioned maintenance technician may add the wrong lubricant to the compressor. If this happens, the compressor will become incompatible with the lubricant, resulting in excessive carryover and the need to flush and replace downstream air treatment components.
Typically, the G 110-250 oil-injected rotary screw compressor from Atlas Copco provides reliable compressed air, preventing costly downtime. The G110-250 oil-injected rotary screw compressor is highly reliable and durable, enabling it to function in temperatures up to 46degC/115degF. Despite the oil-injected air compressor’s robust design, this unit requires very little on-site installation, and it features simple operation.
The primary advantage of oil-injected air compressors is the reduced cost of running. The cost of oil-free compressors is less than half of that of oil-injected ones, and it will require fewer maintenance costs in the long run. Moreover, the oil-free system is more environmentally friendly than oil-injected air compressors. But the drawbacks of oil-injected air compressors are substantial, too. It can contaminate finished goods and cause a significant financial risk for the manufacturer.
An oil-injected rotary screw air compressor offers several advantages over its counterpart. First, it features an innovative vertical design with variable-speed drive, allowing it to run more efficiently. Second, oil-injected air compressors reduce energy consumption by up to 50% compared to non-oil-injected air compressors. They also have a thermostatic valve, allowing them to maintain an optimum temperature. Thermostatically-regulated oil coolers allow the compressor to run more quietly.

Oil-free

What is an oil-free air compressor? The name refers to a type of air compressor that does not contain oil in the compressor chamber. Oil-free air compressors still use oil for various purposes, including lubricating the moving parts and managing waste heat. However, many people do not realize that their air compressor still requires oil for proper functioning. This article will explore why this type of air compressor is preferable for many users.
First of all, oil-free air technology has many benefits. For one, it reduces the energy cost involved in filtering air, and it minimizes leaks. Moreover, it also reduces the oil costs associated with compressor refills. And finally, it reduces the risks of contamination. Oil-free air technology is the future of compressed air. If you’re looking for an oil-free air compressor, here’s what to look for in your search.
Depending on the purpose of your air compressor, it may be beneficial to invest in an oil-free air compressor. Oil-lubricated air compressors are generally more durable than their oil-free counterparts, but they may cost twice as much. You should still consider the cost of ownership before purchasing an oil-free compressor. The oil-free models can be easier to transport, and they are more powerful. Moreover, they’re quieter than oil-lubed models.
An oil-free air compressor also means less maintenance, as it doesn’t need oil to work. This type of air compressors also features fewer moving parts, which means fewer places for problems to develop. All oil-free air compressors are manufactured to meet ISO Class 0 and 1 air purity standards. They also have less noise and vibration compared to their oil-based counterparts. So, why not choose an oil-free air compressor for your business?
air-compressor

Gasoline

When choosing a gas-powered air compressor, it’s important to consider the advantages of gasoline. This energy source can power a large air compressor without electricity. However, this type of air compressor lacks electrical hookup, so you’ll need to run an extension cord if you need to use it at a distance. However, gas compressors are able to function with just a gas tank. This makes them ideal for medium to heavy-duty industrial applications.
Another important consideration when choosing a gas air compressor is its size. Larger compressors are typically larger than portable ones and require more space. This makes them easier to transport and operate on the go. However, if you’re not sure which type of air compressor is best for you, consider the gas-powered versions. While they may be lighter, they don’t run as smoothly as their electric counterparts. Gasoline-powered compressors are not as portable as their electric counterparts and require proper maintenance.

Electricity

Electricity in an air compressor is not cheap. A 25 HP air compressor runs for 10 hours each day, 5 days a week. The motor in these machines consumes 746 watts per hour. To find out how much electricity the equipment uses, multiply the wattage by the running time. For example, if the compressor runs for 3 hours, then it will use 1.9 kilowatt hours of electricity. To determine how much electricity an air compressor uses per day, you can calculate the kilowatt hours and multiply the number by the utility rate. Considering this, you can determine the cost of running your air compressor once per month.
The cost of operating an air compressor depends on the type of compressor. Electric air compressors are often silent and can run without any maintenance. These tools can be left unattended for up to 4 thousand hours before requiring repair. Electric air compressors require higher power for higher pressure, so you should plan accordingly. Whether or not you need a maintenance visit is up to you, but the benefit of not having to spend a fortune on repairs is priceless.
Although compressed air is not an energy-efficient source, its use in a variety of applications may save you money and kilowatts. Since an air compressor uses power when it is running, the cost is lower than the cost of operating a power tool. If you plan to use your air compressor for a long time, make sure that it is maintained properly. Proper care will save you money and power, and you may even be able to get an extended warranty if the compressor breaks down.
air-compressor

Variable frequency drive

The main purpose of a variable frequency drive (VFD) in an air compressor is to reduce energy consumption in the process of compression. A single motor drag system cannot adjust its speed continuously according to the weight of the load. By applying frequency control to the compressor, the power consumption can be reduced while maintaining the same pressure level. Therefore, a VFD is an excellent choice for compressors. Its benefits are numerous.
A VFD can also monitor the temperature of the motor and send error signals if the motor is running too hot or too cold. This eliminates the need for a separate sensor to monitor the oil pressure. These functions are useful not only in lowering energy consumption, but also in improving the performance of an application. Moreover, a VFD can monitor additional variables such as temperature and motor speed. Hence, it is a useful investment.
When using a VFD, it is crucial to choose the right motor. The speed of the compressor should be within the maximum starting limit of the motor. The air tank may be of any size, but a constant pressure limit is required to keep the VFD running within the service factor of the motor. In addition to a VFD, a master controller should also include a remote pressure set point and a PID card for a master controller. The transmitter should incorporate all useful data from the VFD, including the speed and the oil temperature. The VFD must be tested before it is integrated with the master control. It should be tested for min and max speed, temperature, and current within the expected range.
The use of a VFD in an air compressor has many benefits. One of the most notable is the reduction in power consumption. Fixed-speed compressors run on set points of 6 to 7 bar. An extra bar of compression uses 7 percent of energy. This energy is wasted. A VFD-powered air compressor can also increase the life span of compressor parts. It is 1 of the best investments in your compressor. So, why wait any longer?

China Air-Compressors Industrial Machines portable Car Dental Pump 100 Liter 8 Bar Oil Free Oilless Silence Rotary Air Pump Screw Air Compressor with Air Tank

China 4-in-1 8bar 10bar 16 Bar Twin Single Screw Air Compressor with Dryer Filter Tank Laser Cutting Electric Air Compressor

Product Description

4-in-1 8Bar 10Bar 16 Bar Single Screw Air Compressor with Dryer Filter Tank Industrial Laser Cutting Electric Air Compressor

Specification

Product name	4-in-1 Integrated Electric Air Compressor
Applicative gases	Compressed air / non-corrosive air
Power	7.5KW, 11KW, 15KW, 22KW, 30KW
Air flow	1.05, 1.28, 2.1, 3.3 m3/min
Air pressure	Max 16bar
Voltage	220, 380V, 400V, 415V, 460V, 50HZ 60HZ
Air tank	250L, 400L

Q: Are you a factory or a trading company?
A: We are factory. And we have ourselves trading company.

Q: What is the specific address of your company?
A: No.3, 2nd Street, yuanle Road, Xihu (West Lake) Dis.sheng Town, HangZhou City, ZheJiang Province, China

Q: Do your company accept ODM & OEM?
A: Yes, of course. We accept full ODM & OEM.

Q: What about the voltage of products? Can they be customized?
A: Yes, of course. The voltage can be customized according to your requirement.

Q: Do your company offer spare parts of the machines?
A: Yes, of course, high quality spare parts are available in our factory.

Q: What are your payment terms?
A: 50% T/T in advance, 50% T/T before delivery.

Q: What payment ways do you accept?
A: T/T, Western Union

Q: How long will you take to arrange the goods?
A: For normal voltages,we can delivery the goods within 7-15 days. For other electricity or other customized machines, we
will delivery within 25-30 days.

4-in-1 8Bar 10Bar 16 Bar Single Screw Air Compressor with Dryer Filter Tank Industrial Laser Cutting Electric Air Compressor

The Air Compressor Is a Versatile Tool

Oil-injected

Oil-free

Gasoline

Electricity

Variable frequency drive

China 4-in-1 8bar 10bar 16 Bar Twin Single Screw Air Compressor with Dryer Filter Tank Laser Cutting Electric Air Compressor

China Nx-5.5dg 7HP Screw Compressor Industrial with Air Tank

Product Description

Product Technical Description

Model :	Screw Air Compressor
Type:	VSD Screw Air Compressor
Voltage:	380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure:	7~12.5bar
Installed Motor Power:	3.7~7.5KW
Color:	Blue
Driven Method:	Direct Driven
Air End:	High-efficiency Screw Air End Technology
Trademark:	Xihu (West Lake) Dis.ang
Transport Package:	Standard Wooden Packing
Available Certificate:	CE, ISO
Origin:	ZheJiang , China
Application:	Food,Chemical,Spraying Treatment,Electrics,Medical Treatment,Packing

Product Features

1. high reliability.

2. Oil Free Permanent Magnetic Motor.

3. IP55 protection grade & heavy duty air filter, suitable for high dusty environment.

4. IE4 Efficiency motor efficiency.

5. Most energy saving mode, Only work at loading.

6. Wide frequency range 25%-100%.

7. Premium Magnetic material resist more than 180ºC temp.

8. Direct Taper connection, no transmission power loss, easy maintenance.

9.Touch Screen PLC with preset running schedule, more intelligent control.

10. Main motor is inverter control, more accurate control.

11. Easy for installation and service.

Model		NX-5.5DG
Capacity/Pressure(m3/min,/BAR)		0.63/8	0.52/10	0.38/12
PM Motor	Power(KW)	5.5KW(7HP)
	Speed(r/min)	3000
	Starting way	VSD Startup
	Volt(V)	380/400/415(220)
	Motor safety grade	IP23
	Motor isolation grade	F
Electrical Supply		380(400,415)V/50Hz/3Phase, 220V/60HZ/3P,Customer′s Requirements
Outlet Temperature(ºC)		≤ ambient Temperature+15ºC
Driven way		Direct Driven
Noise level at 1 meter		62±2dB(A)
Cooling method		Air cooling
Oil content		1~3 ppm
Outlet Connection		Rp1/2
Dimension	Length(mm)	1571
	Width(mm)	500
	Height(mm)	1035

FAQ

1.Why customer choose us?
Xihu (West Lake) Dis.ang Air Compressor CO., LTD., with 37 years old history,we are specialized in Rotary Screw Air Compressor.
Germany Standard and 10 years exporting experience help us won more than 50 loyal foreign agents. We warmly welcome your small trial order for quality or market test.
2.Are you a manufacturer or trading company?
We are professional manufacturer with big modern factory in HangZhou,China.
Both OEM & ODM service can be accepted.
3.What’s your delivery time?
Generally 3 to 7 days, if urgently order, pls contact our sales in advance.
4.How long is your air compressor warranty?
One year for the whole machine and 2 years for screw air end, except consumable spare parts.
5.How long could your air compressor be used?
Generally, more than 10 years.
6. What’s payment term?
T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc.
Also we could accept USD, RMB, Euro and other currency.
7.How about your customer service?
24 hours on-line service available. 48hours problem solved promise.
8.How about your after-sales service?
1. Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3. Worldwide agents and after service available.

Contact us

Company Name: ZheJiang Xihu (West Lake) Dis.ang Air Compressor Co., Ltd
Contact Person: Cindy Chen

If you are interested in any of our products,please feel free to contact us.We are looking forward to cooperating,growing and developing with your sincerely.

How to Repair and Maintain an Air Compressor

A compressor is a device used to move air from 1 place to another. Air enters the air compressor through the intake valve. Inside the compressor, the vanes on the inner rotor rotate within an eccentric cavity. The self-adjusting length arm divides the space into multiple cavities of different sizes. As the rotor rotates, air fills the cavity. As air flows around the cavity, it builds pressure and is squeezed out of the compressor output.

Positive displacement

Positive displacement air compressors use reciprocating pistons to compress air. Gas is drawn in during the suction stroke and compressed by moving the piston in the opposite direction. It then discharges the compressed air by moving it in the opposite direction. This type of air compressor is most commonly found in automobiles, refrigerators, and other applications that require high pressure. However, it is not as efficient as a centrifugal compressor.
Most modern air compressors use positive displacement. Positive displacement models capture a volume of air in the compression chamber and distribute it when the pump is operating at maximum capacity. They are more economical than their negative displacement counterparts. Reciprocating screw air compressors are the most common positive displacement compressors. The reciprocating screw air compressor adopts a water jacket around the cylinder and is often used in processes such as oil drilling.
A bicycle pump is an example of positive displacement compression. Air is drawn into the cylinder and compressed by the moving piston. A piston compressor works on the same principle, but it uses a rotating crankshaft or connecting rod to complete the movement of the pistons. There are 2 types of positive displacement compressors: single-acting and double-acting. Both types work on the same principle, both are positive displacement compressors. The difference between the 2 types is the pressure ratio.
In air compression, positive displacement compression reduces the volume of the fluid and reduces its viscosity. This results in higher pressure ratios and is used in centrifugal, axial, and scroll compressors. Positive displacement is a common feature of most air compressors. Positive displacement compressors offer the same benefits and are more energy-efficient when applied to oil-free and gas applications. This type of compression is usually the best choice for low-pressure applications.
air-compressor

oil free

If you’re looking for an air compressor for your business, consider an oil-free air compressor. These models offer cleaner, quieter operation than traditional air compressors and require less maintenance. They also meet ISO Class 0 or Class 1 air purity requirements. Oil-free air compressors are also quieter, with fewer moving parts and less noise. These advantages make oil-free air compressors an ideal solution for many commercial applications.
Air purity is critical in many industries. Even the tiniest drop of oil can damage production equipment or damage products. The best way to find an oil-free air compressor for your business is to consider the process and end product. As air quality improves, more and more businesses are turning to oil-free compressors. Some of the advantages and disadvantages of these air compressors are:
When choosing an oil-free air compressor, it is important to understand the terminology used in the industry. Knowing these terms will make it easier for you to choose the right compressor for your needs. ACTFM, or actual cubic feet per minute, is an industry term for measuring the amount of air pumped in 1 minute under rated conditions. Although a simple number, it can be very useful in determining which type of air compressor is best for your application.
The ISO 8573-1 international standard defines air quality and provides air purity classifications. The strictest classification is air purity class 0. Many manufacturers claim that oil-free air compressors meet this standard. However, a class 0 oil-free air compressor does not necessarily mean that the air is free of contaminants. In fact, Class 0 is the benchmark for air purity. While zero air quality is the highest level, that doesn’t mean it’s completely oil-free.
air-compressor

double acting

A double-acting air compressor is a device that uses compressed air to generate electricity. Its working principle is based on piston and connecting rod. The connecting rod connects the crankshaft to the piston through pins and caps. The piston moves as the piston moves. Rods are usually made of forged carbon steel. In terms of service and maintenance, double-acting compressors require regular vise maintenance and proper cleaning.
The displacement of the compressor is a measure of the displacement that the piston can produce in a certain period of time. Displacement is usually expressed in actual cubic feet per minute. The exact calculation depends on the type of cylinder and the configuration of the compressor. Single-acting cylinders can have head-end or crank-end displacement, both of which can be measured using the displacement equation. A double-acting air compressor will use this equation. 4 and 6 calculate the displacement.
Double-acting air compressors have multiple cylinders and are made of cast iron. They are water-cooled and have a mechanical connection between the piston and connecting rod. A double-acting compressor compresses air twice per revolution of the motor. One cylinder moves up, while the other cylinder moves down. The piston moves down, allowing air to enter through valve #1. During the operation of the compressor, the temperature of the air and gas increases.
Double-acting air compressors typically have high pressure and are considered workhorses. Double-acting compressors also feature intercooling and double compression. As a result, these machines tend to last longer than single-acting compressors. Its low speed and dual compression make it a workhorse in the compressor industry. Double-acting air compressors are workhorses and versatile devices.
air-compressor

fuel tank pressure switch

You can adjust the pressure in the air compressor tank by adjusting the differential pressure. You can turn the mainspring clockwise or counterclockwise to increase or decrease the pressure. This valve will open when the pressure is low enough to start the compressor. If the pressure is too low, the valve should be closed. The cut-in and cut-out pressures should be set to appropriate values. After adjusting the tank pressure, check the hysteresis of the tank pressure switch and set the desired shutoff pressure.
If the pressure in the tank falls below the cut-in level, the tank pressure switch must be replaced. You can test the switch with a multimeter. Make sure the switch is not damaged. If you can’t find the switch, you can look at the other sections. If you find any damaged or missing parts, you should replace them. Otherwise, it may be time to check the tank pressure switch. You may need to disassemble the compressor and remove the switch.
The fuel tank pressure switch is an important part of the air compressor. It keeps you informed of the amount of air delivered by the compressor. If your tank or tank is damaged, your readings will be wrong. If the pressure switch is damaged, it will not function properly and result in incorrect readings. Fortunately, there are some easy ways to fix this. To prevent this from happening, keep the tank pressure switch in good condition.
When the air pressure in the tank drops to the cut-in pressure setting, the switch allows power to flow through it. This will start the motor and pump of the air compressor. Then, if the pressure in the tank rises above the cut-off level, the switch will trip and stop the compressor. This will prevent it from being over-pressurized. Power flow will continue to flow to the motor. Depending on your compressor model, you can change the cut-in and cut-out pressures as needed.

energy source

The power supply of the air compressor is very important. Most air compressors run on 12 VDC, which is ideal for automotive use. Alternatively, you can buy a switching power supply for around $20. No matter which power supply you choose, you must ensure that it can support the maximum current of the compressor. You can find power supplies in all sizes, from quarter-horsepower to five-horsepower.
The voltage required for a three-phase air compressor will vary. Three-phase air compressors require 3 separate power cords and a three-phase electrical service panel. This is because a standard 120/240-volt electrical service panel is not sufficient to power a three-phase compressor. Additionally, three-phase compressors require 3 separate isolated wires for the engine and motor circuits. Three-phase compressors do not require a neutral wire.

China Nx-5.5dg 7HP Screw Compressor Industrial with Air Tank

China 8bar 250kw VSD Rotary Screw Air Compressor with German Technology

Product Description

8bar 250kw VSD Rotary Screw Air Compressor with German Technology

1. Product picture :

2. Product details :

1. Air end: Large rotor with reasonable length-diameter ratio, large gas production, low rotating speed, small vibration, low noise, effectively play the stability of the head, the rotor material is made of wear resistant high-strength alloy steel
2. Motor: 3 phase asynchronous motor,IP54/IP55,F class insulation,SKF over-loading bearing,output efficiency up to 95%,service factor SF=1.15,Volt. And Freq. can be customized,add oil injection port at both end of bearing shell, easy maintenance
3. VSD inverter( optional ): automatically adjust motor RMP according to real requirements, the actual power, energy -saving more than 30%,eliminate the CZPT current
4.High power cooling fan: independent external motor which is not to be burn out easily,durable high heat dissipation efficiency ensure 24 hours continuous operation in high temperature and humidity environment
5.Cooler : air cooler/ water cooler,high efficiency ,low noise,high quality aluminum material ,add axial flow fan, ensure perfect cooling effect
6.Air filter: two stage dust removal and filtering system with efficiency of up to 99.9% even in heavy-dust environment
7.oil filter high efficiency oil filter removes lubricant magazine ensure longer working life and save maintenance cost
8.Intake valve According the actual need, the gas can be automatically adjusted to reduce the operation cost
9.vibration-proof pressure gauge: accurately display the pressure value of the air compressor tanker, convenient to view and adjust to meet different work needs
10.built -in soundproof cotton inner sound-absorbing cotton .effectively reduce the noise machines operation, low noise little vibration, sounds as low as 50db
11. Intelligent PLC touch screen controller simple operation, clear operation status, 24 hours for you to work

3.Product Features:

1) High reliability
• large air end and low speed design
•SKF bearings whose service life for more than 50,000 hours , low wear and long service life
• original imported driven parts: coupling
•More than 30% heat dissipation design
2) Energy saving
• The rotor adopts European and American patent screw type line design, high efficiency, energy saving
• reasonably configure the fan , configure the minimum power on the premise of maximum efficiency
• all standard direct drive units reduce gear configuration to lower energy loss
• each unit is tested by the national energy efficiency laboratory, and each unit is guaranteed to reach the national level

4. Features & advantages for GREAT variable speed drivem( VSD) screw air compressor:

Feature and Advantage:
1)High efficient energy saving returns
• adjustable air volume: with the variable speed control technology of the frequency converter, the air volume of the air compressor can be adjusted according to the actual air consumption of the user, so as to avoid the loss of unloading power and the generation of useless work
• variable frequency starting: avoid frequent loading and unloading, CZPT current and torque when intermittent gas is used
• low-pressure operation: the unit can save 14% energy directly by eliminating the additional pressure burden of 2bar (7% energy loss can be saved for every 1bar reduced working pressure).

2) Can be set according to the required pressure, keep the supply pressure constant
• constant pressure: at the set required pressure, the unit will always maintain a constant pressure supply of ±0.1bar
• when the air consumption increases, the pressure remains unchanged and the speed increases automatically to ensure the air supply demand;
• when the air consumption reduced, the pressure remains the same and the speed is automatically reduced to meet the requirement

3) More reliable
• variable frequency starting: avoid electrical and mechanical shocks
• variable frequency speed regulation: avoid the disadvantage of the unit running at high speed for a long time
• eliminating 2bar of high pressure reduces the chance of system leakage

5.Techincal parameter for GREAT VSD screw air compressor:

Model	Working pressure (Bar)	Flow Air Capacity (m3/min)	Power (Kw)	Noise (dBa)	Dimensions (mm)	Outlet pipe size	Weight (Kg)
TKBP-7F	8/10/13	1.16/1.02/0.86	7.5	65	12507601202	G3/4	280
TKBP-11F	8/10/13	1.62/1.40/1.21	11	66	12507601202	G1	480
TKBP-15F	8/10/13	2.5/2.0/1.8	15	69	120010001290	G1	500
TKBP-18F	8/10/13	2.92/2.7/2.2	18.5	68	120010001290	G1	640
TKBP-22F	8/10/13	3.53/3.2/2.4	22	68	90014501277	G1	660
TKBP-30F	8/10/13	5.0/4.5/3.5	30	70	125010301429	G1 1/2	950
TKBP-37F	8/10/13	6.3/5.6/4.8	37	70	125010301429	G1 1/2	990
TKBP-45F	8/10/13	7.5/6.8/5.8	45	70	125010301429	G1 1/2	1150
TKBP-55F/W	8/10/13	9.8/8.8/7.2	55	72	215011501500	DN50	2400
TKBP-75F/W	8/10/13	12.3/11.0/9.0	75	75	215011501500	DN50	2500
TKBP-90F/W	7.5/8.5/10/13	16.3/15.6/14.2/11.5	90	76	230012501681.5	DN50	2800
TKBP-110F/W	7.5/8.5/10/13	20.4/20.0/17.8/14.5	110	77	310015401900	DN80	3900
TKBP-132F/W	7.5/8.5/10/13	24.0/23.0/21.0/18.1	132	77	310015401990	DN80	4100
TKBP-160F/W	7.5/8.5/10/13	27.8/27.1/25.2/21.2	160	78	350016502050	DN80	4500
TKBP-185F/W	7.5/8.5/10/13	32.5/30.5/27.0/22.5	185	78	350016502050	DN100	5100
TKBP-200F/W	7.5/8.5/10/13	35.0/33.3/30.6/26.3	200	78	365020002330	DN100	5200
TKBP-220F/W	7.5/8.5/10/13	40.7/38.2/34.5/29.8	220	78	365020002330	DN100	5300
TKBP-250F/W	7.5/8.5/10/13	45.3/43/38.1/35.0	250	78	365020002330	DN100	5400

6.Application :

7. Certification :

8. Pakcing :

9. other related products :

·fixed speed(FSD) screw air compressor
·variable speed(VSD)screw air compressor
·permanent magnet variable speed( PM VSD)screw air compressor
·2 stage compression FSD screw air compressor
·2 stage compression PM VSD screw air compressor
·low pressure screw air compressor
·diesel engine driven portable screw air compressor
·electric motor driven portable screw air compressor
·outdoor use screw air compressor
·oil free screw blower
·integrated screw air compressor for laser cutting machines

10. Exhibition:

11. FAQ :
Q1: Are you factory or trade company?
A1: We are factory.
Q2: Warranty terms of your machine?
A2: One year warranty for the machine and technical support according to your needs.
Q3: Will you provide some spare parts of the machines?
A3: Yes, of course.
Q4: How long will you take to arrange production?
A4: 380V 50HZ we can delivery the goods within 20 days. Other electricity or other color we will delivery within 30 days.
Q5: Can you accept OEM orders?
A5: Yes, with professional design team, OEM orders are highly welcome!

12 . factory

GREAT air compressor, as 1 leading manufacture &exporter for screw air compressor in China. Founded in 1957 years, coving 20000 square meters. With over 200 skilled employees and 20 R&D research engineers, we focus on the research &develop, manufacture and service for screw air compressor and relative products .Our goal is to provide the high grade and most energy saving compressor for the world customer.

Our main products including screw air compressor, air dryer, air tanker, line filters and other relative compressed air products etc. we passed ISO and CE certificate. Germany standard and 60 years industry experience help us win the domestic and foreign customers praise .From 2016 opened to the world, now exporting to more than 100 countries. We have established a huge sales and service network at home and abroad.

“GREAT” as famous china brand for air compressor, our mission is to become a world-famous high-end brand and service for oversea customers. Welcome more oversea agents, dealers and distributors to join us. We also can do the OEM service for big customers

why you choose us ?	1. Over 60 years China professsinal manufacture for air compressor ,An ISO9000 company
	2.European standard,China made &factory directly supply
	3. Superior porformance &high efficiency with reasonable price
	4.Low power consumptions for more output
	5.Trouble free & cost saving
	6.Timely pre-sale and after-sale service
	7.Easy operatation &maintenance

13.Contact:

A Buyer’s Guide to Air Compressor Types

There are many types of Air Compressors, and it’s important to understand what each type has to offer. In this article, we’ll discuss single stage air compressors, low-noise compressors, and models with 2 pistons. But, before you buy an Air Compressor, be sure to read our buyer’s guide to the various types. This way, you’ll have all of the information you need to make the right decision for your business.
air-compressor

Single-stage air compressors

A single-stage air compressor is an excellent choice for most general-purpose purposes. They provide enough power to operate pneumatic tools, and they produce less heat. Single-stage air compressors, however, are not suitable for heavy-duty industrial uses. However, they can be used in various applications, including auto shops, gas stations, and various manufacturing facilities. They are also suitable for borewells and other high-pressure places.
These air compressors are a great choice for home use and are suitable for small-scale businesses, contractors, and small shops. These compressors have continuous duty cycles, cast iron compressor pumps, and a minimum 5,000-hour pump life. They also feature advanced features, including ODP motors, Auto Start & Controls, Receiver tanks, and power cords. They have low maintenance and can save you a great deal of money.
Single-stage air compressors are generally less expensive and lighter than their two-stage counterparts. Single-stage air compressors are also more portable, which is a plus for small projects. While two-stage compressors offer higher CFM, they are more powerful and bulky, making them unsuitable for small or home use. So it is essential to determine what you will use the air compressor for and decide on a model based on your needs.
A single-stage air compressor is made of a piston and a tank. The piston moves rapidly inside the cylinder and exerts pressure on the cylinder. This means that the piston can’t move any faster than the air pressure outside the cylinder. The piston is designed to operate in the same way for each stage. This is a great choice for home shops and one-man automotive shops, as it allows you to control the pressure without sacrificing the pump’s life.
Single-stage air compressors are often cheaper than two-stage versions, but they are not the best choice for every application. If you are only using your air compressor occasionally, you’ll find a one-stage model to be much more reliable than a two-stage model. The main difference between the 2 types of compressors is in the amount of air that each stage compresses. A two-stage air compressor will have more air storage capacity, but it will still produce more pressure.

Rotary vane compressors

Rotary vane compressors use a centrifugal pump to compress air. The rotor is set eccentrically in the housing, which almost touches the vane. As the rotor turns, the air that enters the pump is trapped between the vanes. This compressed air undergoes compression as the rotor rotates. Vanes are small pieces of carbon fiber or graphite composite. Vanes may be made of different materials depending on the application.
While rotary vane pumps are not commonly used to produce compressed air, they are widely used in automotive and hydraulic applications. Chances are, you have used a rotary vane pump at some point in your life. These pumps are also common in the vacuum and compressed air industries. As a result, many people don’t realize that they’re still around. They feature slots that allow the vanes to slide in and out of the rotor.
A rotary vane compressor has a drum and rotor inside. The rotor is eccentrically positioned and has slots and grooves on its surface. Its inlet and outlet ports are situated off-center, allowing the vanes to be pushed out by centrifugal force. Because the rotor rotates so quickly, air is trapped between the vanes. This air then becomes pressurized by the rotating rotor.
Rotating vane compressors can be easily serviced and repaired. A simple replacement of carbon vanes requires just 15 minutes and common tools. The carbon vanes typically last 9 to 18 months, depending on system operating pressure. Before purchasing a rotary vane compressor, make sure to check whether it has been properly performance-tested and has a warranty. Generally, warranties cover the rotor/stator chambers but do not cover the vanes or air filters. You should also check if the unit is covered by a lightning or water damage warranty.
Rotary vane compressors are an integral part of manufacturing industries. Many pharmaceutical manufacturing facilities depend on rotary vane compressors to control their equipment. Other industries that use rotary vane compressors include the plastics, woodworking, natural gas, and medical & dental fields. Their benefits are numerous and far outweigh any disadvantages of rotary screw compressors. For example, a rotary vane compressor can double the life of a conventional compressor.
air-compressor

Rotary vane compressors with low-noise models

If you are looking for a rotary vane air compressor, you have come to the right place. CZPT’s LV Series rotary vane compressors offer low-noise models, compact size, and robust integration. In addition to their low-noise features, they feature large filter systems to deliver high-quality compressed air. The LV Series models also feature CZPT’s reputation for reliability and quality.
This type of compressor uses centrifugal force to operate and is limited in its top and minimum operating speeds. They are only a third as powerful as screw compressors, and their top speed limits are much lower. Furthermore, the vanes wear out easily at high speeds because there is not enough centrifugal force to seal them against the cylinder’s edges. Even at half their full capacity, they consume as much as 80% of their total energy rating.
Because piston compressors produce a lot of noise, factory owners and shop owners have begun to install noise-dampening cabinets and other solutions. But, rotary vane compressors produce far less noise than a traditional vacuum, and the maintenance costs are also low. Rotary vane compressors are also extremely helpful in several industries. They are used in the automotive and auto finishing industries, as well as in dairy industries and milking machines.
If you have a deep pond, a rotary vane air compressor kit can pump up to 20 feet of water. This is more than enough airflow for 2 to 5 diffusers. A 1/4 HP rotary vane kit pumps around 4.2 CFM. It also helps to increase circulation and oxygen levels in the pond. Finally, a 1/4 HP kit offers the necessary power to clean up the bottom of a pond.
The rotary vane and rotary screw are the most popular air compressors today. While they are similar in many ways, they are more versatile and durable than their counterparts. They use fewer angular contact ball bearings and require less frequent maintenance than piston air compressors. Compared to piston air compressors, rotary vane and rotary screw compressors are quieter and are less expensive.
air-compressor

Rotary vane compressors with 2 pistons

The rotary vane and rotary screw compressors are similar in application, but both have different advantages and disadvantages. This article will compare the benefits of each and highlight the differences between them. While both are commonly used in industrial applications, rotary vane compressors are preferred by many industries. These compressors also have a wide range of uses, ranging from automotive air tool operation to milking machines. These compressors also have the advantage of being quieter than piston-powered ones.
The current common rail position may not be suitable for pressure swirl injectors, but new positions have been tested and show improvements in specific energy values. Moreover, the current position is not required for external oil pumps. However, mass induction and expulsion have to be performed with utmost care. This article focuses on the design and efficiency of rotary vane compressors. You can find more information about this new design in the references mentioned below.
The advantages of this type of compressor are its low cost, compact size, and easy maintenance. Hence, they are preferred in low capacity applications. Moreover, they feature integrated vanes. The rotating vanes close the air gap and compress air towards the outlet. Compared to piston-powered compressors, these units are cheaper and more reliable. Therefore, you should choose 1 with the lowest price tag. You can also opt for rotary vane compressors that are oil-free.
Sliding vane compressors are another popular variant. They have a single cylinder connected to the compressor and are capable of operating at low speeds. This design also reduces the amount of friction and maintains volumetric efficiency. However, the sliding vane compressors suffer from high frictional losses. If you are looking for a more efficient rotary compressor, this is the best option. While sliding vane compressors have been in the spotlight for over a century, they are still quite young.
These compressors are easy to install and maintain. They are also quieter than piston compressors. They are also cheaper than piston-driven compressors. The energy efficiency and low price make them the perfect choice for any commercial or industrial application. If you’re looking for a small, compact compressor, the rotary vane has been proven to be the best choice for your needs. You should know that it has a long service life.

China 8bar 250kw VSD Rotary Screw Air Compressor with German Technology

China 0.5-500 M3/Min 2-40 Bar Industrial Energy Saving Electric Stationary Direct Driven/Coupled Rotary Screw Air Compressors with Air Dryer and Tank (ISO&CE)

Product Description

0.5-80 M3/Min 6-40 Bar 5.5-400 Kw Electrical Stationary Industrial AC Power Direct Driven/Coupled Rotary Screw Air Compressors Advantages

1.CZPT Enhanced energy saving screw air compressor reached the super energy saving level

2.Energy Efficient Index 1(EEI 1) approved according to GB19153-2009, the energy consumption is 10%~15% lower than EEI 2.

3.CZPT air compressor design with 72 types of technology patent, real bigger air flow

4.State-of-the-art screw element, original Germany CZPT air end, ladvanced SAP profile design, superior Sweden CZPT element bearings

5.CZPT air compressdor dopts world-renowned components, such as Schneider electronics from France, DENAIR filters from Germany, Danfoss pressure sensor from Denmark, etc. contribute to guarantee the compressor longer service life.

6.Smart touch screen design and 0 pressure drop design

7.Higher efficiency cooling system and electrical motor

8.Stainless steel pipes, reasonable inner design, ensure long service life without maintenance.

Technical Parameters Of Energy Saving Rotary Screw Air Compressor

Model	Maxinmum working		Capacity(FAD)*				Installed motor power		Driving mode&	Noise	Dimensions(mm)			Weight	Air outlet
	pressure		50 HZ		60 HZ		Installed motor power		Cooling method	level**	Dimensions(mm)			Weight	pipe diameter
	bar(g)	psig	m3/min	cfm	m3/min	cfm	kw	hp		dB(A)	L	W	H	kg
DA-5	7.5	109	0.80	28	0.80	28	5.5	7.5	Belt Driven	75	900	600	860	315	G3/4″
DA-5	8.5	123	0.78	28	0.78	28	5.5	7.5	Air Cooling	75	900	600	860	315	G3/4″
DA-7	7.5	109	1.09	39	1.09	39	7.5	10		75	900	600	860	315	G3/4″
	8.5	123	1.07	38	1.07	38	7.5	10		75	900	600	860
	10.5	152	0.92	32	0.91	32	7.5	10		75	900	600	860
	13.0	189	0.73	26	0.72	26	7.5	10		75	900	600	860
DA-11	7.5	109	1.66	59	1.66	59	11	15		75	1230	650	900	324	G3/4″
	8.5	123	1.64	58	1.64	58	11	15		75	1230	650	900
	10.5	152	1.45	51	1.45	51	11	15		75	1230	650	900
	13.0	189	1.13	40	1.12	40	11	15		75	1230	650	900
DA-15	7.5	109	2.54	90	2.53	89	15	20	Direct Driven	75	1465	990	1345	453	G1-1/4″
	8.5	123	2.51	88	2.50	88	15	20	Air Cooling	75	1465	990	1345
	10.5	152	1.97	70	1.86	66	15	20		75	1465	990	1345
	13.0	189	1.91	67	1.83	65	15	20		75	1465	990	1345
DA-18	7.5	109	3.04	107	3.65	129	18.5	25		75	1465	990	1345	453	G1-1/4″
	8.5	123	3.03	107	3.63	128	18.5	25		75	1465	990	1345
	10.5	152	3.00	106	2.38	84	18.5	25		75	1465	990	1345
	13.0	189	1.91	67	2.36	83	18.5	25		75	1465	990	1345
DA-22	7.5	109	3.57	126	3.65	129	22	30		75	1465	990	1345	477	G1-1/4″
	8.5	123	3.55	125	3.63	128	22	30		75	1465	990	1345
	10.5	152	3.00	106	2.38	84	22	30		75	1465	990	1345
	13.0	189	2.97	105	2.36	83	22	30		75	1465	990	1345
DA-30	7.5	109	5.28	187	4.49	159	30	40		85	1600	1250	1550	682	G1-1/2″
	8.5	123	5.26	186	4.48	158	30	40		85	1600	1250	1550
	10.5	152	5.21	184	4.47	158	30	40		85	1600	1250	1550
	13.0	189	3.45	122	3.58	126	30	40		85	1600	1250	1550
DA-37	7.5	109	6.54	231	6.33	224	37	50		85	1600	1250	1550	728	G1-1/2″
	8.5	123	6.52	230	6.30	222	37	50		85	1600	1250	1550
	10.5	152	5.21	184	4.47	158	37	50		85	1600	1250	1550
	13.0	189	5.16	182	4.43	156	37	50		85	1600	1250	1550
DA-45	7.5	109	7.67	271	7.79	275	45	60		85	1600	1250	1550	728	G1-1/2″
	8.5	123	7.62	269	7.76	574	45	60		85	1600	1250	1550
	10.5	152	6.46	228	6.24	220	45	60		85	1600	1250	1550
	13.0	189	6.41	226	4.44	157	45	60		85	1600	1250	1550
DA-55	7.5	109	9.76	345	9.14	323	55	75		85	1876	1326	1700	1310	G2″
	8.5	123	9.67	342	9.06	320	55	75		85	1876	1326	1700
	10.5	152	7.53	266	7.74	273	55	75		85	1876	1326	1700
	13.0	189	7.40	261	6.30	222	55	75		85	1876	1326	1700
DA-75	7.5	109	14.21	502	11.72	414	75	100		85	1876	1326	1700	1325	G2″
	8.5	123	12.55	443	11.63	411	75	100		85	1876	1326	1700
	10.5	152	9.51	336	11.43	404	75	100		85	1876	1326	1700
	13.0	189	9.23	326	8.75	309	75	100		85	1876	1326	1700
DA-90(W)	7.5	109	16.62	587	17.01	601	90	120	Direct Driven	72	2450	1800	1700	2450	DN80
	8.5	123	16.37	578	16.82	594	90	120	Air Cooling Or	72	2450	1800	1700
	10.5	152	14.21	502	14.87	525	90	120	Water Cooling	72	2450	1800	1700
	13.0	189	11.77	416	11.27	398	90	120		72	2450	1800	1700
DA-110(W)	7.5	109	20.13	711	19.10	674	110	150		72	2450	1800	1700	2500	DN80
	8.5	123	20.05	708	19.06	673	110	150		72	2450	1800	1700
	10.5	152	16.33	576	17.01	601	110	150		72	2450	1800	1700
	13.0	189	14.11	498	14.68	518	110	150		72	2450	1800	1700
DA-132(W)	7.5	109	22.85	807	24.37	861	132	175		72	2450	1800	1700	2600	DN80
	8.5	123	22.73	802	24.23	856	132	175		72	2450	1800	1700
	10.5	152	19.88	702	18.95	669	132	175		72	2450	1800	1700
	13.0	189	16.51	583	16.82	594	132	175		72	2450	1800	1700
DA-160(W)	7.5	109	26.92	950	27.90	985	160	215		78	2650	1700	1850	3200	DN80
	8.5	123	26.86	949	27.76	980	160	215		78	2650	1700	1850
	10.5	152	22.44	792	23.97	846	160	215		78	2650	1700	1850
	13.0	189	19.63	693	18.82	664	160	215		78	2650	1700	1850
DA-185(W)	7.5	109	28.89	1571	30.53	1078	185	250		78	2650	1700	1850	3300	DN80
	8.5	123	28.84	1018	30.44	1075	185	250		78	2650	1700	1850
	10.5	152	25.11	886	27.46	970	185	250		78	2650	1700	1850
	13.0	189	22.08	780	23.69	836	185	250		78	2650	1700	1850
DA-200(W)	7.5	109	31.88	1126	30.53	1078	200	270		80	3000	1950	2030	4750	DN100
	8.5	123	31.82	1124	30.44	1075	200	270		80	3000	1950	2030
	10.5	152	28.48	1006	30.22	1067	200	270		80	3000	1950	2030
	13.0	189	25.00	883	27.07	956	200	270		80	3000	1950	2030
DA-220(W)	7.5	109	36.20	1278	37.22	1314	220	300		80	3000	1950	2030	4800	DN100
	8.5	123	36.15	1276	37.17	1312	220	300		80	3000	1950	2030
	10.5	152	31.71	1120	33.25	1174	220	300		80	3000	1950	2030
	13.0	189	28.48	1006	27.07	956	220	300		80	3000	1950	2030
DA-250(W)	7.5	109	43.31	1529	42.87	1514	250	350		80	3000	1950	2030	4850	DN100
	8.5	123	43.24	1527	41.30	1458	250	350		80	3000	1950	2030
	10.5	152	36.03	1272	37.04	1308	250	350		80	3000	1950	2030
	13.0	189	31.55	1114	33.15	1170	250	350		80	3000	1950	2030
DA-280(W)	7.5	109	46.59	1645	47.16	1665	280	375		85	3700	2300	2450	5200	DN125
	8.5	123	46.53	1643	45.64	1612	280	375		85	3700	2300	2450
	10.5	152	42.95	1516	42.56	1503	280	375		85	3700	2300	2450
	13.0	189	35.89	1267	36.95	1305	280	375		85	3700	2300	2450
DA-315(W)	7.5	109	53.16	1877	50.88	1797	315	425		85	3700	2300	2450	6000	DN125
	8.5	123	52.63	1858	50.83	1795	315	425		85	3700	2300	2450
	10.5	152	43.05	1520	46.27	1634	315	425		85	3700	2300	2450
	13.0	189	42.93	1516	40.32	1424	315	425		85	3700	2300	2450
DA-355(W)	7.5	109	63.37	2238	58.12	2052	355	475		85	4500	2500	2450	7000	DN125
	8.5	123	63.16	2230	56.54	1997	355	475		85	4500	2500	2450
	10.5	152	52.63	1858	51.57	1821	355	475		85	4500	2500	2450
	13.0	189	43.79	1546	45.35	1601	355	475		85	4500	2500	2450
DA-400(W)	7.5	109	70.99	2507	61.72	2179	400	550		85	4500	2500	2450	8000	DN125
	8.5	123	70.64	2494	59.72	2109	400	550		85	4500	2500	2450
	10.5	152	52.63	1858	56.52	1996	400	550		85	4500	2500	2450
	13.0	189	46.34	1636	51.35	1813	400	550		85	4500	2500	2450

*) FAD in accordance with ISO 1217 : 2009, Annex C: Absolute intake pressure 1 bar (a), cooling and air intake temperature 20 °C
**) Noise level as per ISO 2151 and the basic standard ISO 9614-2, operation at maximum operating pressure and maximum speed; tolerance: ± 3 dB(A)
***) EEI 1- Energy Effiency Index 1, which refers to enhanced energy saving series
Specifications are subject to change without notice.

DENAIR Factory & Product Lines

DENAIR Exhibition

We carefully selected for you the classic case

Enhanced Energy Saving Air Compressor in Oman

Project Name: Sandblasting in Muscat, Oman.

Product Name: 75KW 100HP Enhanced Energy Saving screw air compressor EEI 1 (Energy Efficiency Index 1) with air dryer, air receiver tank and air filters.

Model No. & Qty: DA-75+ x 1.

Working Time: From June, 2016 till now

Event: In June, 2015, 1 set of CZPT enhanced energy saving air compressor system was installed in Muscat Oman. This is the first project finished by CZPT distributor in Oman. Our partner Mr. Hari shared the photos at working site to us as a good starting. That means more and more CZPT energy saving solutions will contribute to the industries in Oman in the near future. CZPT air compressor factory and air compressor distributor will try the best to provide top quality products, cost effective solution and excellent service for local users in Oman. In order to ensure the most professional service, the distributor plans to send 2 service engineers to CZPT factory in ZheJiang for training and learnin. We will update the news at that time.

FAQ

Q1: Are you factory or trade company?
A1: We are factory.

Q2: What the exactly address of your factory?
A2:No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China
.
Q3: Warranty terms of your air compressor machine?
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the air compressor?
A4: Yes, of course.

Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome.

How to Choose the Right Air Compressor

An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.
air-compressor

Electric motor

While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor.
Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series.
A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with 2 digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor.
When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.
air-compressor

Oil bath

Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.

Start/stop control

An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously.
To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it.
In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance.
Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor.
Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.
air-compressor

Variable speed drive

A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs.
In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations.
One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between 40 percent and 80 percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability.
A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart.
A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.

China 0.5-500 M3/Min 2-40 Bar Industrial Energy Saving Electric Stationary Direct Driven/Coupled Rotary Screw Air Compressors with Air Dryer and Tank (ISO&CE)

China Air Dryer Air Compressor 11kw 15HP Industrial Screw Compressor with Air Tank

Product Description

TECHNICAL DATA

Model Parameter		DL-5T	DL-7.5T	DL-10T	DL-15T	DL-20T	DL-10AT	DL-15AT	DL-20AT
Air flow m3/min Pressure Mpa		/	/	1.2/0.7	1.65/0.7	2.5/0.7	1.2/0.7	1.65/0.7	2.5/0.7
		0.4/0.8	0.6/0.8	1.1/0.8	1.5/0.8	2.3/0.8	1.1/0.8	1.5/0.8	2.3/0.8
		/	/	0.95/1.0	1.3/1.0	2.1/1.0	0.95/1.0	1.3/1.0	2.1/1.0
		/	/	0.8/1.2	1.1/1.2	1.9/1.2	0.8/1.2	1.1/1.2	1.9/1.2
Tank Size L		70L	200L	300	300	300	300	300	300
Lubricant L		1.25	4.5	10	18	30	10	18	30
Noise		68±3	68±3	66±2	68±2		66±2	68±2
Driving way		Direct Driven
Power Supply		220V/50Hz		380V/50Hz
Power HP		5	7.5	10	15	20	25	30	40
Starting way		VSD	VSD	Y-DELTA
Dimension	L mm	870	1270	1990	1990		1990	1990
	W mm	530	600	640	790		640	790
	H mm	890	1260	1405	1580		1405	1580
Weight KG		85	200	320	365	410	420	465	510
Outlet pipe diameter		1/2	1/2	G1/2	G3/4		G1/2	G3/4

INSIDE STRUCTURE AND COMPONENT

SINGLE STAGE AIR END

SKF bearing
Big Rotor,large bearing,low speed
High precision,high efficiency,long service life

Professional Customized Inverter

It can monitor various parameters of the motor including the temperature of the motor so as to reduce the risk of high temperature of the motor;

Independent air duct design, strong environmental adaptability;

Fast response, response time less than 50ms;

High and low frequency torque which can output 180% rated torque.

Permanet Magnet Motor

The permanent magnet motor cooling structure design F class insulation

No bearing design-100% transmission eficiency

Perfet inear output torque, low speed retains high torque output

For up to 5 years of durabliy experiment,40000 hours of durable rouble-fee operation

Intelligent Touch Control Panel

Real-time observation of the compressor running condition:ar end,fan, exhaust temperature, exhaust pressure and power ouput, the total power consumption, faut messages,24-hour customer service

Xihu (West Lake) Dis.function design: data curve,parameter seting, equipment information and data query functions.

Historical data record,faut record and output report,equipment using information management.

Realize the function of the timing switchgear to avoid the waste due to human negligence

FACTORY

After Sales Service

• Warranty: One year for the whole machine 2 year for air end , and spare parts will be provided with best price.
• Over board engineer service is available for most countries.

Special Customized Service
• Quantity: MOQ 5 pcs Logo customized.

FAQ

Q1. What’s your delivery time?
Generally 7-10 days
Q2. How long is your air compressor warranty?
One year for the whole machine 2 year for air end .
Q3. How long could your air compressor be used for?
At least 10 years.
Q4. What’s payment term?
T/T, L/C and etc.
Q5. How about your customer service?
24 hours on-line service for all our clients.
Q6. How about your after-sales service?
1. Providing customers with installation online instructions.
2. Well-trained engineers available to overseas service.

Choosing an Air Compressor

Considering a new Air Compressor? Here are some tips to make the decision easier. Learn the pros and cons of each type, including the differences between oil-injected and oil-free models, single stage and positive displacement. In addition, learn more about the different technologies that are available for your air compressor. It is important to choose an appropriate unit for the type of work you do. Here are some of the best compressors available today.
air-compressor

Positive displacement

There are several different types of air compressors, but most are positive displacement air compressors. They use a rotary or reciprocating component to compress air. The reciprocating component compresses air by reducing the volume of the chamber. Positive displacement compressors are used in bicycle pumps, chemical plants, and refrigerators. Positive displacement air compressors use multiple inlet ports. Despite the various types, the principle of operation remains the same.
Another type of positive displacement air compressor is a reciprocating piston. The piston inside a cylinder moves up and down, causing the compressed air to fill the upper part of the cylinder. These air compressors are used in a variety of different applications, including blowing bottles and gas pipelines. These air compressors can be water-cooled, lubricated, or non-lubricated. Different types have different capacities and air pressures.
A positive displacement flowmeter uses a rotating chamber that divides continuous fluid into discrete portions. The number of times the chamber is filled and discharged can be used to estimate the flow rate. The rotation speed of the measuring chamber is directly proportional to the flow rate. The drawbacks of this type of positive displacement flowmeter are that it is prone to jamming. If the fluid contains particles, it may be too thick for the meter to determine flow rate.
A negative displacement air compressor was invented in 1860 and is the oldest type of compressor. It uses 2 lobes positioned in a circular cavity. One rotor is connected to an engine, while the other pushes the other 1 to spin in the opposite direction. Negative displacement compressors are low-maintenance, but they do require more precision. They are often used in nuclear power plants because they use the kinetic energy of the rotating elements to produce pressure.

Oil-injected

Oil-flooded or oil-injected air compressors use liquid to seal and lubricate moving parts and reduce noise. Oil-flooded air compressors are effective for a variety of pneumatic tools and accessories. Some models have a thermostat that controls the amount of oil used during operation. Other types of oil-flooded air compressors are piston-type models. Here is an overview of the basic differences between these 2 air compressors.
An oil-injected air compressor is more expensive than a comparable oil-free air compressor, but its advantages far outweigh its disadvantages. An oil-free compressor is quieter, requires less maintenance, and has a lower price tag. It also offers a greater degree of air purity. A number of other advantages may also make this type of air compressor the better choice for many industrial settings. If you need a high-pressure compressor in a tight space, consider the benefits of an oil-free system.
Oil-injected air compressors require more maintenance than oil-free models. Both types of air compressors offer similar capacity and ISO 8573-1 Class 0 and 1-2 purity, but the oil-injected systems require more air-treatment components. They require an activated carbon filter and coalescing filter. Oil-injected air compressors will likely remain the standard for industrial air compressors for many years. And since their performance and efficiency are comparable, it may be worthwhile to invest in some point-of-use air treatment.
Both types of air compressors have their benefits. However, choosing between oil-free and oil-injected air compressors is not as straightforward as you might think. Whichever type you choose, make sure it will meet your needs. The benefits of an oil-injected air compressor outweigh their disadvantages. In general, oil-injected air compressors are more durable and can last longer than oil-free models. The only downside is their higher price.
air-compressor

Oil-free

When choosing an air compressor for your company, you’ll need to determine what it is going to be used for. For example, if you’re planning on using it to power multiple workers, you should consider getting an oil-free compressor. An oil-free compressor, on the other hand, is quieter and can power several workers at a time. If you’re a contractor, the most important consideration will be the type of jobs you’ll be doing. Higher air pressure means greater demand for air flow, and more pressure can damage the equipment.
Oil-free compressed air is certified 100% free of contaminants. Technically, oil-free air is not completely free of foreign matter, but it is extremely low within the limits of practical air quality. A technically oil-free air compressor might have a total oil level of 0.003 mg/m3. If you’re in need of a technically oil-free air compressor, you must install an air treatment equipment after your current compressor.
If you’re in the manufacturing industry, a good oil-free air compressor will save you money and reduce your environmental impact. Many of these tools require air compressors to work, and this equipment will ensure that they don’t get contaminated. To buy the best oil-free compressor, you should learn a bit about the different terms used by compressor repair companies. ACFM, for example, is the amount of air that can be compressed in 1 minute at rated conditions.
When you’re using an oil-free air compressor, you should know that the overall life of the device will be much shorter. Compared to an oil-flooded rotary screw air compressor, an oil-free compressor typically has a lifespan of 50 thousand hours. But it’s important to understand that this type of compressor can still cause damage to piping and processes. Therefore, you should choose an oil-free compressor when you need to clean air for your business.

Single-stage

A single-stage air compressor, also known as a piston air compressor, compresses air only once before storing it in a cylinder. This stored air has enough energy to power a variety of pneumatic tools, such as screwdrivers, chisels, and wrenches. These units are also ideally suited for low-flow applications and are widely used in gas stations, auto shops, and various manufacturing plants.
A single-stage air compressor uses 2 valves – 1 for inlet and 1 for outlet – to transfer compressed air. Both valves are actuated by springs. The inlet valve has a slight curvature to provide protection from damage. The compressor’s outlet valve opens when the pressure in the cylinder is higher than the pressure in the storage tank. The piston moves very quickly inside the cylinder, exerting a high amount of force throughout the compression process. This high piston speed is a common cause of compressor wear and tear.
A single-stage air compressor is ideal for smaller tradesmen and small construction crews. Its lightweight and compact design make it easier to transport and store. While it may be tempting to buy the first cheap air compressor you see, it’s important to balance the price against performance to choose the right air compressor for your needs. The best single-stage air compressor is 1 that provides excellent performance and durability. Its two-stage counterpart is designed for larger construction teams and large applications.
The main difference between a single-stage and a two-stage air compressor lies in their capacity. A single-stage air compressor compresses air only once and delivers it into the storage tank, while a two-stage compressor compresses it twice, creating double the pressure. Because of this, single-stage air compressors are cheaper and versatile than their counterparts, which means that they can be used for multiple purposes.
air-compressor

Low-noise

A low-noise air compressor is a type of industrial compressor that is less noisy than regular air compressors. These are generally smaller machines designed for smaller factories and workshops with a few to several employees. They are designed to handle mid-weight volumes of compressed air per day. This type of compressor is especially useful for smaller manufacturing businesses that need to produce compressed air for medical applications. Small breweries can also benefit from the low-noise capabilities of these compressors.
Low-noise air compressors come in various sizes and features. For smaller jobs, you can purchase a one-gallon model that is lightweight and portable. For larger jobs, you can purchase 1 with a larger tank that can provide more pressure for longer jobs. However, a larger tank will make the compressor heavier and harder to transport. To avoid this, make sure to check the size of the tank and how much power it can handle.
Considering a low-noise air compressor for your business? If so, you’ve come to the right place. There are a variety of affordable and dependable low-noise options to choose from. A CAT 10020C, for example, is designed to provide high-volume air to many outlets at once. A CAT 10020C comes with a 10-gallon tank, wheels, and a carrying handle.
Noise levels can also affect the productivity of employees. When employees work with air compressors in close proximity to each other, they may develop tinnitus. If employees are free from tinnitus because of the loud noise, they are likely to work more efficiently. Moreover, it will be easier for them to focus and communicate efficiently. If you need a compressor, a low-noise 1 is an excellent choice.

China Air Dryer Air Compressor 11kw 15HP Industrial Screw Compressor with Air Tank

China 15kw/20HP Screw Air Compressor for Construction Works with High Efficiency

Product Description

FIXED SPEED SCREW AIR COMPRESSOR

* High efficiency power-saving

* Durable and humanized filter components

* Independent research and development of IP54 motor

Model	Power KW	Power HP	Air flow L/min	Pressure bar	Drive Mode
SA-10A	7.5	10	1.2/1.1/0.95/0.8	7/8/10/12	Direct
SA-15A	11	15	1.65/1.5/1.3/1.1	7/8/10/12	Direct
SA-20A	15	20	2.5/2.3/2.1/1.72	7/8/10/12	Direct
SA-25A	18.5	25	3.2/3.0/2.7/2.4	7/8/10/12	Direct
SA-30A	22	30	3.8/3.6/3.2/2.7	7/8/10/12	Direct
SA-40A	30	40	5.3/5.0/4.5/4.0	7/8/10/12	Direct
SA-50A	37	50	6.8/6.2/5.6/5.0	7/8/10/12	Direct
SA-75A	55	75	10/9.6/8.5/7.6	7/8/10/12	Direct
SA-100A	75	100	13.4/12.6/11.2/10.0	7/8/10/12	Direct
SA-150A	110	150	21/19.8/17.4/14.8	7/8/10/12	Direct
SA-175A	132	175	24.5/23.2/20.5/17.4	7/8/10/12	Direct

FAQ:

Q1: Are you factory or trade company?
A1: We are factory. And we have ourselves trading company.

Q2: How about the warranty terms of your machine?
A2: One year for the whole machine and 2 years for screw air end, except consumble spare parts.

Q3: Could you provide some spare parts of the machines?
A3: Yes, we can offer.

Q4: What about product package?
A4: We will pack the products strictly with standard wooden carton.

Q5: Can you customized the voltage of products?
A5: Yes, the voltage can be customized according to your requirement. Like 380V/60HZ, 415V/50HZ, 220V/60HZ and so on.

Q6: Can you provide samples?
A6: Yes, we cam provide samples.

Q7: How long will you take to arrange production?
A7: Regular model within 7-15 days. Customized model within 25-30 days.

Q8: How about your customer service?
A8: 24 hours on-line service available. 48 hours problem solved promise.

Q9: Which payment term can you accept?
A9: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.

Q10: Which trade term can you accept?
A10: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.

The Air Compressor Is a Versatile Tool

Oil-injected

Oil-free

Gasoline

Electricity

Variable frequency drive

China 15kw/20HP Screw Air Compressor for Construction Works with High Efficiency

China 3.7kw 5HP Single Phase Screw Air Compressor with 70 Liters Tank 14cfm Air Flow Capacity

Product Description

C6EF Quality and Quantity Assured Single-phase Air Compressor

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of “quality first, customer first and credit-based” since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a CZPT situation since the trend of economic globalization has developed with anirresistible force.

Types of Air Compressors

There are many types of Air Compressors available on the market. Learn which 1 is right for your needs and what makes 1 better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which 1 you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.
air-compressor

Air Compressors

Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in 1 stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use 1 of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.
air-compressor

Single-stage models

When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use 2 stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, 1 piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the 2 pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.

Low-noise models

Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These 2 features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.
air-compressor

Oil-free models

A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated 1 include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.

China 3.7kw 5HP Single Phase Screw Air Compressor with 70 Liters Tank 14cfm Air Flow Capacity

China 22kw to 75kw Heavy Duty Screw Air Compressors Shaft Coupling Direct Driven Compressors with Inverter

Product Description

AirHorse Promises Every Machine Will Run Well More Than 15 Years

Product display

Features Of Direct Driven Screw Air Compressor

1 . Air end with high-efficiency

2. Double Screw with low noise, Super Silenced Enclosure

3. Elegant compact design. Fully open access door to inner parts for easy service.

4. 100% Continuous duty operation. Load/No Load operation

5. High quality CE Certificate industrial electric motors. ISO,CE,UL Certificate

6. Easy to use and read LCD control panel

7. High temperature, high pressure and anti-rotation shutdown

8. Energy efficient operation

9. 5 micron, water-resistant air filtration material

10. 1year full machine warranty,3years air end warranty.

11. Supply the machine with different working voltage according to customer’s request,

Motor Efficiency Class: Ultraefficient/1E3/IE2 as per your reguired
Motor Protection Class: IP23/IP54or as per your required
Certification: CE/IS09001/TUV/UL/SGS/ASME
Voltage: 380V/3PH/50HZ/60HZ
220V/3PH/50HZ/60HZ
400V/3PH/50Hz/60HZ
440V/3PH/50HZ/60HZ
5V/3PH/50HZ/60HZ
230V/3PH/50HZ/60HZ
dual voltage is also ok

TCEHNICAL SPECIFICATIONS OF THE DIRECT DRIVEN SCREW AIR COMPRESSOR
Model	AHD-30A	AHD-50A	AHD-75A	AHD-100A	AHD-120A/W	AHD-150A/W	AHD-175A/W	AHD-220A/W	AHD-250A/W	AHD-300A/W	AHD-350A/W
Free air deliver /Discharge pressure (m3/min /Mpa)	3.8/0.7 3.6/0.8 3.2/1.0 2.8/1.2	6.8/0.7 6.2/0.8 5.6/1.0 4.9/1.2	10.0/0.7 9.1/0.8 8.5/1.0 7.6/1.2	13.5/0.7 12.6/0.8 11.2/1.0 10.0/1.2	16.1/0.7 15.0/0.8 13.8/1.0 12.3/1.2	21.0/0.7 19.8/0.8 17.0/1.0 15.3/1.2	25.2/0.7 24.0/0.8 21.0/1.0 18.3/1.2	28.7/0.7 27.6/0.8 24.6/1.0 21.5/1.2	32.0/0.7 30.5/0.8 27.5/1.0 24.8/1.2	36.7/0.7 34.5/0.8 30.2/1.0 27.8/1.2	42.0/0.7 40.5/0.8 38.1/1.0 34.6/1.2
No.of compression stage	single stage
Ambient temperature	‘-5–+45^oC
Cooling model	Air –Cooling					Air-Cooling&Water-Cooling		Water-Cooling
Discharge temperature (0C)	Ambient temperature+15^oC
Lubricant(L)	18	30	65			90		110
Noise level (Db)	68±2		72±2			75±2			72±2
Drive method	Direct drive
Electricity (V/ph/Hz)	380/3/50
Power (KW/HP)	22/30	37/50	55/75	75/100	90/120	110/150	132/175	150/200	185/250	220/300	250/350
Starting method	Y-ΔStarter
Dimension: length/ width/ height (mm)	1400* 900* 1220	1400* 900* 1220	1800* 1200* 1600	1900* 1200* 1600	2100* 1400* 1780	2360* 1360* 1800	2460* 1420* 1800	2560* 1540* 1840	2610* 1640* 2050	2700* 1740* 2100	2900* 1850* 2200
Weight(kg)	680	1060	1880	1980	2100	2900	3500	3900	4200	4600	5000
Air outlet pipe diameter (inch/mm)	1″	1 1/2″	2″			DN65		DN80		DN100

HangZhou AirHorse Compressor Co., Ltd.

• Professional manufacturer of air compressor system equipment

• Main products include Screw Air Compressor & Piston Air Compressor

• Cutting-edge technology & leading techniques: original German air end with CZPT bearing, Siemens/ABB electricity system and spare parts of other world-famous brands. To ensure reliability, high performance, low noise and long life span

Packaging and Shipping

Our Service

After-sale Service

• Any questions or requests before, during or after sales, we would like to help you any time and will find you the best solution in 24 hours.

• Warranty: One year for the whole machine Genuine spare parts will be provided with best price.

• Over board engineer service is available.

Special Customized Service

1) Full OEM

• Quantity: at least 5 pcs

• In this plan, we will do all the changes (Color, name plate and logo) as your need, and will not charge extra fee.

2) Half OEM

• Quantity: no limit

• Under this program, we can make the necessary alteration (name plate and logo) but we will charge some extra fee for the name plate, as the name plate factory has the MOQ.

3) Logo OEM

• Quantity: no limit

• Only the logo will be changed to yours, and no extra fee will be charged.

Overseas Engineer Service

• We are available to send our engineer for aboard service. Only need you to arrange the accommodation, transportation and translator. Extra cost for each will be discussed based on local price level.

FAQ

Q1: Are you factory or trade company?
A1: We are factory.

Q2: What the exactly address of your factory?
A2: Our company is located in AirHorse Industrial Park, Xihu (West Lake) Dis. District, HangZhou, ZheJiang , China

Q3: Warranty terms of your machine?
A3: One year warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.

Q5: What about product package?
A5: We pack our products strictly with standard seaworthy case.

Q6: What about the voltage of products?
Can they be customized? A6: Yes, of course. The voltage can be customized according to your equirement.

Q7: Which payment term can you accept?
A7: 40% T/T in advanced, 60% T/T against the B/L copy.

Q8: How long will you take to arrange production?
A8: 380V 50HZ we can delivery the goods within 7-15 days. Other electricity or other color we will delivery within 25-30 days.

Q9: Can you accept OEM orders?
A9: Yes, with professional design team, OEM orders are highly welcome.

Q10: Which trade term can you accept?
A10: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.

Hi!friend.We are 1 leading factory to manufcture screw air compressor and Air Dryer with nich experience in HangZhou China.We do many OEM for international famous brand such as CZPT Rand. Now our air compressors are exported to all over the world with ISO,CE ASME certified.Welcome to send us inquiries,We will send you best offer ASAP.

Types of Air Compressors

Air Compressors

Single-stage models

Low-noise models

Oil-free models

China 22kw to 75kw Heavy Duty Screw Air Compressors Shaft Coupling Direct Driven Compressors with Inverter