Reciprocating Piston Type High Purity Oil Free Oxygen Compressor

• Lubrication Style: Oil-free
• Cooling System: Water Cooling
• Cylinder Arrangement: Series Arrangement
• Cylinder Position: Angular
• Structure Type: Closed Type
• Compress Level: Double-Stage
• Model NO.: 4M8W-50/20
• Refrigerant Type: Ammonia
• Flow Rate (F.a.D): 50nm3/Min
• Inlet Pressure ( MPa): 0.001MPa
• Exhuast Pressure (MPa): 2MPa
• Power: 550kw
• Speed: 420 R/Min
• Compress Medium: High Purity Oxygen
• N.W Weight: 22t
• Motor Type: Closed Squirrel Cage Asynchronous Motor
• Gas Medium: High Purity Oxygen Gas
• Motor Protection Level: IP 55, Insulation F, Temperature Rise Class B
• Produce Standard: API 618
• Discharge Temperature: <150 C Before Cooling
• Compressor Instrument Protection Level: Not Less Than IP65
• What Language of Operation Manual: in English for Operation & Maintenance Manual
• Whether Equipped Gas Pipe Water Pipe?: Absolutely Configured All Pipeline to You
• Transport Package: Standard Export Wooden Case and Waterproof Bags or
• Specification: 5900*3400*1700mm
• Trademark: KEEPWIN
• Origin: China
• HS Code: 84148090
• Production Capacity: 5000sets/Year

Product Description

Advantages of KEEPWIN Process Gas Compressor:
1.   High quality material, Stable & Reliable operation
2.  Low Maintenance cost & Low noise
3.  Easy to install on site and connect with the user's pipeline system to operate
4.  Alarm automatic shutdown to protection machine function
5.  Corrosion Resistance

Lubrication includes : Oil lubrication, low-oil lubrication and oil free lubrication;
Cooling method includes: Water cooling, and air cooling.
Installation type includes: Stationary and Skid Mounting.


 Detail Technical Parameter of 4M8W-50/20 High Purity Oxygen Compressor

Main Parameters Of Compressor	High Purity Oxygen Compressor
Model No.	4M8W-50/20
Type	M Type, 4 cylinders, 4stage compression, water cooling diaphragm compressor
Rated flow rate	50Nm³/min
Suction pressure(G)	0.01bar
Rated outlet pressure(G)	20 bar
Suction temperature(°C)	≤30
Discharge temperature(°C)	≤45 after water cooled
Compressed medium	Hydrogen compressor
Cooling mode	Water cooling under temperature ≤32°C and pressure 0.3~0.5MPa
Consumption of cooling water	0.8 ton per hour
Lubricating mode	Crackshaft, connecting rod, cross-head body:Lubricated by oil pump; Cylinder, packing assembly: Less oil  lubrication
Oil consumption	≤85 g/h
Driving mode	Electric motor,  power at 550KW
Transmission mode	Direct drive
Rotation speed	420rpm
Dimension	5900x3400x1700mm
Weight	22000kgs
Voltage	10000V

M-type Reciprocating Compressor

Keepwin has developed models for M3.5,M5.5,M8,M16,M25,M32 and M50 series piston compressors.  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.  
Besides general gas such as air, the compressed medium may also include flammable and explosive gas, such Natural Gas and Coal Gas as well as special gas which are toxic and corrosive. KEEPWIN has taken a series of technical measures in aspects such as structure material, explosion prevention, anto-control and protection to guarantee safety and reliability. Products are widely used in variety of industries such as Petrochemicals, Fine Chemicals, Pharmaceutical Chemicals, Energy Chemicals, Machinery Industry, Electronics Industry, Agriculture, Animal Husbandry and Defense Industry, Astronomy, Aerospace, Medical and other fields.
Inquiry to us!
Note:for the other customizing process gas compressor, please kindly send below information to our factory to calculate the producing cost for your item.
Clients' inquiries should contain related parameters 
A. The gas compression medium 
B. Gas composition? or the gas purity?
C. The flow rate: _____Nm3/hr
D. Inlet pressure: _____ Bar (gauge pressure or absolute pressure)
E. Discharge pressure: _____ Bar (gauge pressure or absolute pressure)
F. Inlet temperature
G.Discharge temperature
H. Cooling water temperature as well as other technical requirement.
 

M Reciprocating type  Compressor Technical Parameters
No.	Model	Compressed medium	F.A.D (Nm3/min)	Inlet Pressure  ( Mpa)	Exhuast Pressure  (Mpa)	Power  (KW)	Speed r/min	Dimension (L×W×H)mm	N.W  Weight (t)	Voltage V
1	4M-12/2.5~250	Carbon dioxide gas	12	0.25	25	450	420	6130*3400*2000	21.5	10000
2	4M-40/21	coal gas	40N	0.001~0.025	2.1	450	420	5800*4300*3800	25	10000
3	4M3.5W-12.4/11	Hydrogen chloride gas	12.4N	Atmospheric pressure	1.1	132	485	5600*1600*2300	16.5	380
4	4M5.5-113/0.1~3.2	Feed gas	113N	0.01	0.32	560	450	6110*4230*5480	23	6000
5	4M5.5W-90/1~12	Synthetic tail gas	90N	0.1	1.2	560	450	5700*3600*2750	15	10000
6	4M5.5W-90/1~9	Synthetic tail gas	90N	0.1	0.9	500	420	5700*3600*2750	15	10000
7	4M5.5W-50/0.12~18	coal gas	50N	0.012	1.8	500	485	6110*4230*5480	23	10000
8	4M8W-83.5/0.1-13	stripping gas	83.5N	0.01	1.3	630	375	5426x3400x2642	21	6000
9	4M8W-50/32	oxygen	50N	0.015	3.2	550	420	5900x3400x1700	22	10000
10	4M8W-50/20	High purity oxygen	50N	0.001	2	550	420	5900x3400x1700	22	10000
11	4M8-38/320	Nitrogen and hydrogen	38N	0.026	31.4	630	485	6000x3100x1400	23	6000
12	4M8W-46/38	petroleum gas	46N	0.0045	3.8	500	420	6000x3100x3500	22	6000
13	4M8W-99.8/6.5-50	hydrogen	99.8N	0.65	5	550	420	6000x3000x1200	21	6000
14	4M16-55/210	CO2	55N	0.01	21	800	375	6400x3600x1900	25	6000
15	4M16W-108/12	stripping gas	108N	0.08	1.2	800	333	6500x3800x2200	27	6000
16	4M16W-73/25	coal gas	73N	0.98(A)	2.5	750	368	6400x3600x1900	26	6000
17	4M16-90/5-88	New hydrogen	90N	0.5	8.8	710	371	6700x3800x3400	25	6000
18	4M25-75/320	Nitrogen and hydrogen	75N	0.026	31.4	1250	375	6900x3500x3400	32	10000
19	4M25-85/210	Carbon dioxide	85N	0.03	21	1250	375	6900x3500x3400	25	6000
20	4M25W-127/28	hydrogen	127N	0.01	2.8	1100	333	6900x5000x3620	38.9	10000
21	4M25-181/1O	stripping gas	181N	0.1	1	1200	333	7100x5100x3500	41	6000
22	4MW-106.7/0.3~13	Analytical gas	106.7N	0.03	1.3	800	420	6200*4500*3750	21	10000
23	4MW-80/0.03~18	coal gas	80N	0.003	1.8	800	485	6200*4400*3750	21	10000
24	4M32W-408.3/0.1~7.2	Butane gas	408.3N	0.01	0.72	2200	333	8600*8700*3780	74	10000
25	4M32W-340/21	coke oven gas	340	Normal	2.1	2600	300	8400*4300*1600	40	6000
26	4M32-150/152	Carbon dioxide	150	Normal	152	1800	300	8400*4300*1600	44	6000
27	4M32W-197/16	coal gas	197N	Micro positive pressure	1.6	1800	333	8600*8700*5200	74	10000
28	4M32W-109/0.2~35	Methane gas	109N	0.02	3.5	1250	333	8500*8300*5200	60	10000
29	4M32W-134/0.2~16.2	Propylene gas	134N	0.02	1.62	1200	333	8500*8300*5200	60	10000
30	4M50W-375/20	coal gas	375N	Normal	2	2800	300	9000*4300*1800	45	6000
31	4M50W-148/300	Nitrogen and hydrogen	148N	Normal	32	2500	333	9200*7500*3000	42	6000
32	4M50W-310/0.15~14	coal gas	310N	0.015	1.4	2600	333	8700*8700*5200	65	10000
33	4M80-515/22~133	Hydrogen gas	515N	2.2	13.3	2800	300	9500*9000*5000	90	10000
34	4M80-40/20~172	Hydrogen gas	40	2	17.2	4200	300	9500*9000*5000	90	10000
35	6M32W-334/12	coal gas	334N	Micro positive pressure	1.2	2000	300	8400*9000*5600	95	10000
36	6M32W-450/0.1~7.2	coal gas	450N	0.01	0.72	2800	300	8400*9000*5600	95	10000
37	6M32W-200/22	Hydrogen gas	200N	Micro positive pressure	2.2	2000	333	8200*8700*5000	87	10000
38	6M50W-293/0.1~30	coal gas	293N	0.01	3	3150	300	9000*9400*5000	105	10000
39	6M50-249/81	Carbon dioxide	248N	Micro positive pressure	8.1	3550	300	9000*9400*5000	105	10000

 
KEEPWIN TECHNOLOGY HEBEI 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. KEEPWIN offers you various range of gas compressor 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. We view client satisfaction as the witness of our products' utility and application in all environments. In line with it, we have developed a general framework for comprehending new developments in the compressor industry.


Manufacture special customize Reciprocating Compressor

Besides general gas such as air, the compressed medium may also include flammable and explosive gas, such Natural Gas and Coal Gas as well as special gas which are toxic and corrosive. KEEPWIN has taken a series of technical measures in aspects such as structure material, explosion prevention, anto-control and protection to guarantee safety and reliability. Products are widely used in variety of industries such as Petrochemicals, Petroleum, Chemical textile, Gas Separation, Metallurgy Mine Machinery, Fine Chemicals, Pharmaceutical Chemicals, Energy Chemicals, Machinery Industry, Electronics Industry, Agriculture, Animal Husbandry and Defense Industry, Astronomy, Aerospace, Medical and other fields. 
Test and inspection
1. Part Material Inspection: Before shipment inspecting the mechanical properties and chemical composition of the following parts and provide inspection reports: cylinder, cylinder head, crankshaft, crankcase, main bearing, connecting rod, piston rod, piston rod, cross head, connecting rod bush connecting bolt, cross head pin, etc. 
2. Nondestructive inspection: the supplier shall perform non-destructive inspection of the following parts.
Hydrostatic test and pressure test
The test pressure of cylinder block, cylinder head, piston and other compressed parts is at least 1.5 times of the maximum allowable working pressure, and lasts more than 30 minutes. The test pressure of the above parts of the water chamber is at least 1.5 times the maximum allowable working pressure, not less than 0.6MPa.

We view client satisfaction as the witness of our products utility and application in all environments. In line with it, we have developed a general framework for comprehending new developments in the compressor industry.
Welcome to join us !
We Consider Our Customers as Our Friends and Families, and We do Believe in the Win-Win 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.
• OEM & ODM
According to the customer's requirements to customize OEM or ODM products. And in order to let our customer to receive the whole good quality products, we packed all of the goods by polywood case free for them. 
• Contact Information
 Tel: [phone]