Product Description

Diffirent kind of screw air compressor can be OEM customized for normal standard oil inject screw air compressor & Oil free water lubricated screw air compressor & Oil Free Scroll air compressor.
Belt driven type Screw Air Compressor Specifications
* Genuine belt to meet the demand of heavy-duty, long life and high reliability.
* Convenient belt tensioning device makes the maintenance easy,and the transmisstion high-efficiency is ensured.
* Provide the flexibility for the customers easily modify the working pressure if a change becomes necessary.
* Low operation cost
* Energy saving

 Technical Parameters for Oil-Free Scroll Air Compressor

Product Name	2.2-5.5kW Portable Oil-Free Scroll Air Compressor with air tank			Bitmap
Model	KPXW-0.25/8-YD	KPXW-0.4/8-YD	KPXW-0.6/8-YD
Capacity  L/min	250	400	600
Discharge pressure MPa	0.5~0.8	0.5~0.8	0.5~0.8
Power kW	2.2	3.7	5.5
Speed  r/min	3200	3200	2800
Voltage  V/Hz	380/50	380/50	380/50
Noise  dB (A)	61±3	62±3	63±3
Discharge temperature  ºC	≤Ambient temp+15ºC	≤Ambient temp+15ºC	≤Ambient temp+15ºC
Cooling method	Air cooling	Air cooling	Air cooling
Controll method	Automatic control	Automatic control	Automatic control
Connect interface size	Rc1/2	Rc1/2	Rc3/4
Weight  kg	110	120	160
This series of products has obtained ISO 8573-1 Class 0 oil-free certification, with few parts, small volume, light weight, small vibration, low noise, no wearing parts, long service life, recognized as silent and maintenance free products, providing clean compressed air for users. The utility model has the advantages of convenient movement and is suitable for the occasions where the noise requirements are not very strict, and the utility model can directly supply air for use.

Technical Parameters for Oil-Free Scroll Air Compressor air end

Product Name	Oil Free Scroll Air End
Model	KXW-0.4/10-JT	KXW-0.6/10-JT	KXW-0.4/10-JT	KXW-0.6/10-JT
Capacity	400L/min	600L/min	400L/min	600L/min
Discharge pressure MPa	1	1	1	1
Power	3.7	5.5	3.7	5.5
Speed	3200	2800	3200	2800
Voltage  V/Hz	380/50	380/50	380/50	380/50
Noise  dB (A)	62±3	63±3	62±3	63±3
Discharge temperature  ºC	≤ambient temp+15	≤ambient temp+15	≤ambient temp+15	≤ambient temp+15
Cooling method	Whole air cooling	Whole air cooling	Whole air cooling	Whole air cooling
Connect interface size	Rc1/2	Rc3/4	Rc1/2	Rc3/4
Weight  kg	21	29	21	29

Technical Parameters for Oil-Free Water Lubricated Screw Compressor

Oil-Free Water Lubricated Screw Compressor
Model No.	Motor Power (kW)	Lubricant Water (L)	Air delivery (m3/min)	Pressure (bar)	Connector dia	Sound(dB)	Weight(kg)	L*W*H(mm)
KPW-7.5F	7.5	12	1.1	7	3/4″	55	500	1300×800×1300
			1	8
			0.85	10
			0.7	12.5
KPW-11F	11	20	1.8	7	1″	56	540	1300×800×1300
			1.65	8
			1.5	10
			1.3	12.5
KPW-15F	15	26	2.4	7	1″	57	650	1600×910×1350
			2.2	8
			2.1	10
			1.8	12.5
KPW-18.5F	18.5	34	3.1	7	1″	58	840	1600×910×1350
			2.9	8
			2.7	10
			2.3	12.5
KPW-22F	22	41	3.8	7	1″	58	870	1600×910×1350
			3.6	8
			3.2	10
			2.5	12.5
KPW-30F	30	55	5.3	7	11/4″	60	980	1950×1050×1432
			5	8
			4.3	10
			3.6	12.5
KPW-37W	37	70	6.6	7	11/4″	60	1000	1950×1050×1432
			6.2	8
			5.7	10
			4.6	12.5
KPW-45W	45	87	8	7	11/2″	63	1060	2150×1300×1590
			7.7	8
			6.9	10
			6	12.5
KPW-55W	55	100	10.5	7	2″	65	1250	2150×1300×1590
			9.8	8
			8.7	10
			7.3	12.5
KPW-75W	75	100	13.6	7	2″	67	1480	2150×1300×1590
			13	8
			11.6	10
KPW-90W	90	250	16.2	7	Dn50	71	2030	2550×1400×1605
			15.5	8
			14	10
KPW-110W	110	270	20.8	7	Dn65	72	2450	2550×1400×1605
			19.5	8
			16.5	10
KPW-132W	132	320	24	7	Dn65	73	2850	2550×1400×1605
			23	8
			20	10
KPW-160W	160	360	27.8	7	Dn65	75	3750	3300×2200×2000
			26.5	8
			23.5	10
KPW-200W	200	430	34.5	7	Dn80	77	4100	3300×2200×2000
			33	8
			28	10
KPW-250W	250	540	43	7	Dn100	78	4750	3300×2200×2000
			40	8
			37	10
KPW-280W	280	560	51	7	Dn125	78		4000×2000×2100
			50	8
			45	10
KPW-315W	315	616	56	7	Dn125	80		4600×2300×2400
			55	8
			49	10
KPW-355W	355	704	64	7	Dn150	83		4600×2300×2400
			62	8
			54	10
KPW-400W	400	803	73	7	Dn150	85		5000×2350×2399
			70	8
			61	10
KPW-450W	450	891	81	7	Dn175	85		5500×2590×2800
			79	8
			70	10
KPW-500W	500	979	89	7	Dn200	85		5500×2590×2800
			87	8
			77	10

KP-LB Belt Drive Integrated Type Screw Air Compressor with air tank air dryer 
Power range: 20hp ~ 600hp
Pressure: 7-13 Bar
* 7bar/8bar/10bar/12.5bar working pressure(discharge pressure) for your selection (for more lower pressure 4bar or 6bar, please send your inquiry )
* Intelligent microcomputer control system, controller has the remind & record function, show the compressor operation situation clearly
* Superior components, low maintenance cost
* Germany OPTI belt, easy for replace, and ensure the product quality
* Oversize air-end, low rpm, no overheat problem
* IP54/IP55 high quality motor, SK F bearing, Class F level insulation; Class BTemperature rise; 
* Discharge temperature= Ambient temperature+15ºC, with cooling/ventilation system tailor made to the same local hot-humid climatic condition, NO OVERHEATING ON CONTINUOUS 100% LOAD IS GUARANTEED!
* Top door is locking design, easy to open to clean the cooler and fan 
*Compressor is filled with lubrication oil before delivering, you can operate it after installed and powered on. Once it run 500hours to change the new air filter and oil filter was set for first maintenance, then normally change them with 2000-3000hours for once maintenance replacing new one.
* Phase reversal protection, current overload protection, pressure protection, overheat protection

 

Technical Parameters of LB-TY Fixed Belt Drive Screw Compressor
Model No.	Motor Power (kw)	Horse Power (Hp)	Air delivery(m³/mim)	Working pressure(bar)	Air Dryer Model	Air Tank (L)	L*W*H(mm)	N.W(KG)
LB-4TY	4	5.5	0.74	7	HAD-001-1NF (1.0m3/min)	250L	1400*670*1550	400
			0.66	8
			0.56	10
LB-5.5TY	5.5	7.5	0.8	7	HAD-001-1NF (1.0m3/min)	250L	1400*670*1550	450
			0.7	8
			0.6	10
LB-7.5TY	7.5	10	1.2	7	HAD-001NF (1.6m3/min)	250L	1400*670*1550	500
			1.1	8
			1	10
			0.8	13
LB-11TY	11	15	2.0	7	HAD-003NF (2.7m3/min)	300L	1400*670*1550	550
			1.6	8
			1.42	10
			1.14	13
LB-15TY	15	20	2.5	7	HAD-003NF (2.7m3/min)	300L	1150*800*1100	390
			2.3	8
			2	10
			1.75	13
LB-18.5TY	18.5	25	3.1	7	HAD-003NF (3.8m3/min)	250L*2	1650*800*1840	620
			2.9	8
			2.6	10
			2.2	13
LB-22TY	22	30	3.5	7	HAD-003NF (3.8m3/min)	250L*2	1650*800*1840	700
			3.3	8
			3.0	10
			2.6	13
*According to the standard of GB19153-2009     *Compressor Stage: Single Stage Compression *Standard Power Supply: 380V/50Hz/3ph           *Exhaust Temperature: Ambient Temperature +15ºC *Configurated normal temperature type Air dryer,with Dew Point range: 3-10ºC; *Please contact us for any specification that is not within the above mentioned standard.
Welcome to join us ! We Consider Our Customers as Our Friends and Families, and We do Believe in the CZPT Situation for Building up Long-Term Relationship.  • Innovation     Provide innovative, stable products and services. • Quality     Deliver consistently superior performance and pursue every possible improvement.  • Agility     Identify emerging trends and act quickly to acquire new opportunities. • Customer Satisfaction     Anticipate customer needs and exceed their expectations. • Warranty Within 12 months since the customer used,or 18 months since shipped from factory, no matter which expires, we ensure that no defects for material and manufacturing.

Name			7.5KW Belt Driven Integrated Screw Air Compressor
Model			SLB-7.5-7	SLB-7.5-8	SLB-7.5-10	SLB-7.5-13
Specification	Working pressure	bar	7bar	8bar	10bar	13bar
	Air delivery	M³/min	1.15m3/min	1.06m3/min	0.85m3/min	0.65m3/min
	Motor power	KW	7.5KW
	Voltage	V	380V/50Hz/3ph (other voltage need to take 20days customize produciton )
Outlet dia			G3/4
Weight		Kg	280
Dimension		(L*W*H)mm	1650*800*1700mm  (Integrated compressor+dryer+tank)
Compressor type		Single Stage	Screw
Start mode			Delta Start
Cool method			Air cooled
Driven method			belt driven
Discharge temp		ºC	Ambient temp+10-15ºC
Compressed oil content		ppm	≤3PPM
Noise		dB(A)	78
Motor Protection grade		(IP54)	IP54 / Class F insulation/ Class B temperature rise
Max ambient temp		ºC	≤40ºC
Control mode		PLC	MAM PLC
Lubricant Oil replace regular time		H	3000hrs(First runing time only 500hrs)
Oil separator replace regular time		H	3000hrs
Oil Filter replace regular time		H	3000hrs(First runing time only 500hrs)
Air filter element replace regular time		H	3000hrs(First runing time only 500hrs)
Configured Refrigerated Air Dryer Specification		m3/min	1.2m3/min
		Voltage	220V/50Hz/1ph
Configured Air Tank Volume		L	300L (GB-150 standard pressure vessel)

               

KEEPWIN TECHNOLOGY ZheJiang CO.,LTD is a high-tech joint-stock enterprise which specializes in the development and designing, manufacturing and installation, mating remolding, and sales service of compressors as well as the corresponding pre-and post-position purifying equipment. CZPT offers you a various range of gas compressors like normal standard screw compressor, piston compressor, diaphragm compressor, CNG compressor, CO2 compressor, Hydrogen compressor, Nitrogen booster compressor, etc. for your process handling needs. These products are developed with the highest level of professionalism and innovation. The premium-grade raw material and advanced technology is utilized in the production process, which assists us in giving required shape, design, and finish to the finished products. The products are then sent to the Quality Control Department for stringent quality tests on various parameters.
Keepwin Gas Solution Engineer can customize any special gas Reciprocating Piston Compressor & high pure gas flammable gas oil-free Diaphragm Compressor, and Industry using Screw Air Compressor & Portable Piston Air Compressor.
 
A. The gas compression medium 
B. The flow rate: _____Nm3/hr
C. Inlet pressure: _____ Barg(gauge pressure)
D. Discharge pressure: _____ Barg(gauge pressure)
E. Inlet gas temperature & Outlet gas temperature
F. Cooling water temperature as well as other technical requirement.
G. Voltage/Frequency/Phase
The compressed medium may also include flammable and explosive gas, such as Natural Gas, Coal Gas ,coking gas, oxygen gas, Hydrogen gas, as well as special gas which are toxic gas and corrosive gas, radioactive gas. CZPT has taken a series of technical measures in aspects such as structure material, explosion prevention, auto-control and protection to guarantee safety and reliability.
The products are stable,reliable and have already been in series and modularized.keepwin can aslo rapidly provide products of other specifications through modular combination design upon users’ requirements.

Customer Case

 

             

FAQ

Q1: What’s your delivery time?
A: Generally screw compressor with 20-30 days, Reciprocating compressor & diaphragm high pressure gas comrpessor with 12-20weeks to customize producing.

Q2: How long is your air compressor warranty?
A: Usually 1 year /12 Months for whole compressor machine, 2years/24months for air end (except maintenance spare parts.). And we can provide further warranty if necessary.

Q3: How long could your air compressor be used?
A: Generally, more than 10 years.

Q4: Can you do OEM for us?
A: Yes, of course. We have around 2 decades OEM experience.And also we can do ODM for you.

Q5: What’s payment term?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, Trade Assurance and etc. Also we could accept USD, RMB, GBP, Euro and other currency.

Q6: How about your customer service?
A: 24 hours on-line service available. 48hours problem sovled promise.

Q7: How about your after-sales service?
A: 1. Provide customers with intallation and commissioning online instructions.
2. Well-trained engineers available to overseas after-sales service.

Q8. Are you factory?
A4: Absolutely! You have touched the primary sources of Air Gas Compressor. We are factory.

How to contact with us?
Send your Inquiry Details in the Below, or Click “Back to Home” to check more other Gas Compressor machine equipment!  

 

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.

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.

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.

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.