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Universal Diaphragm Nitrogen Compressor for Nitrogen Generator

1.Total oil free
2.single or double stage
3.easy moving
4.heavy duty ,and 24 hours continues working 5.silent working

cooling way:
packing box:
ETD time:
  • ZW-400/5-40
  • 8414804090

universal diaphragm nitrogen compressor is a compressor used to pressurize nitrogen and deliver or store it.

Nitrogen has many applications in the national economy.


Laser cutting

 Nitrogen acts as a shielding gas in laser cutting. Medium-pressure nitrogen is mainly used to blow away oxygen, preventing metal cutting and surrounding oxidation at high temperatures during cutting, improving the cleanliness of the cutting surface and aesthetics.

2. Nitrogen storage

Generally, the outlet pressure of PSA nitrogen generator is ≤10barg. If the capacity of nitrogen generator is excessive, or if it is filled at night by peak and valley electricity, it is more economical. It needs to store nitrogen for later use. At this time, nitrogen is generally used. The compressor is pressurized to a pressure of 200-300 kg and filled into a high-pressure bottle. Generally, a high-pressure bottle can be filled with about 10 cubic meters of nitrogen.

Oil-free lubricated reciprocating piston type nitrogen compressor with air-cooling and water-cooling cooling modes, single-acting and double-acting structure, vertical and angle type, medium and high pressure, wind brand series Oil-free lubricating nitrogen compressor with excellent performance, stable operation, high efficiency and energy saving, long service life, widely used in nitrogen laser cutting, nitrogen canning, chemical industry, etc.

The friction pairs of the series of machines involved in gas compression are not lubricated with thin oil. The friction seals such as piston rings and guide rings are made of special materials with self-lubricating properties. The structural advantages are reflected in:

1 There is no thin oil lubrication in the whole compression system, which avoids the possibility of oil contact with high pressure and high purity nitrogen (vertical nitrogen compressor is not completely oil-free type);

2 The whole system has simple machine structure, convenient control and easy operation;

3 For the gas medium of the compressor, nitrogen, no pollution, the purity of the nitrogen at the inlet and outlet of the compressor is the same.

The diaphragm nitrogen compressor for nitrogen generatoris a semi-oil-free nitrogen compressor, which requires the use of ordinary lubricating oil, but the nitrogen chamber is separated from the lubricating oil. During operation, the nitrogen is always clean and oil-free, suitable for low intake pressure, but The nitrogen pressure boosting demand is relatively large, generally several hundred to several thousand standard one hour, mainly used for nitrogen pipeline pressurization, which is very suitable for 24 hours continuous operation, the maintenance interval can reach 6000-7000 hours, and the cost performance is very high.

This diaphragm universal nitrogen compressor for nitrogen generator features

Vertical cylinder compression, the cylinder is perpendicular to the horizontal plane, using the potential energy of the piston itself, effectively reducing power consumption, reducing the cost of use, significant economic benefits, water-cooled cooling mode, ensuring good cooling effect of the compressor, and effectively extending the critical vulnerability The service life of the piece, the inlet is equipped with low intake pressure protection, the exhaust end is equipped with high exhaust pressure protection, and the exhaust gas temperature is high protection. Each stage is equipped with a safety valve and a temperature display, if over temperature and 

Model Working medium suction pressure (Mpa,Psig)Discharge pressure (Mpa,Psig)Motor.KW Flow rate Nm3/hrVoltage Cooling way 
ZW-400/5-40Nitrogen0.7,704,57515400220V/380V/415V/440V 50/60HZwater cooling
ZW-600/5-30Nitrogen0.5,703,43018.5600220V/380V/415V/440V 50/60HZwater cooling
ZW-1200/4-15Nitrogen0.4,571.5,21518.51200220V/380V/415V/440V 50/60HZwater cooling
ZW-850/4-25Nitrogen0.4,572.5,36018.5850220V/380V/415V/440V 50/60HZwater cooling
ZW-950/6-18Nitrogen0.6,861.8,26018.5950220V/380V/415V/440V 50/60HZwater cooling
ZW-1700/4-10Nitrogen0.4,571,145221700220V/380V/415V/440V 50/60HZwater cooling
ZW-2500/6-10Nitrogen0.6,861,14518.52500220V/380V/415V/440V 50/60HZwater cooling
ZW-2800/14-16Nitrogen1.4,2001.6,23018.52800220V/380V/415V/440V 50/60HZwater cooling

1.The above parameters are for reference only, and subjest to the final technical quotation

2.More displacement, higher filling pressure, please consult us

Contact Us

Tel: +86-556-5345665
Phone: +86-18955608767
Email: sale@oxygen-compressors.com
WhatsApp: +86-18955608767
Skype: sale@oxygen-compressors.com
Add:XingyeRoad,Industrial park,Development zone,Anqing,Anhui

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