High quality 99.99% purity PSA nitrogen generator for laser cutting

The working principle of PSA nitrogen generator is based on pressure swing adsorption (PSA) technology. It separates nitrogen and oxygen in the air by utilizing the difference in adsorption performanc

  • Working Pressure:6[ bar ]87[ psig ]
  • Free Air Delivery:512[ cfm ]14.5[ m3/min ]
  • Working Power:0.13[ kw ]0.03[ hp ]

Product Details

The working principle of PSA nitrogen generator is based on pressure swing adsorption (PSA) technology. It separates nitrogen and oxygen in the air by utilizing the difference in adsorption performance of molecular sieves to different gas molecules, thereby producing high-purity nitrogen.

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Advantages and features of PSA nitrogen generator:


High-purity nitrogen output‌

PSA nitrogen generator can produce high-purity nitrogen with a purity of more than 99.99%, suitable for various industrial and laboratory applications.

High efficiency and energy saving‌

Compared with traditional nitrogen production methods, PSA nitrogen generator adopts physical adsorption and desorption, avoids the use of chemical reagents, 

has low energy consumption and meets environmental protection requirements.

‌High degree of automation‌

Usually two towers are used in parallel, and automatic operation is achieved through an intelligent control system, which reduces the burden of manual operation.

‌Environmental protection‌

No harmful emissions are generated during operation, which meets environmental protection standards.

‌Cost-effectiveness‌

A lot of costs can be saved in long-term use. Compared with purchasing gas cylinders or liquid nitrogen, nitrogen generators reduce the trouble of procurement, storage 

and transportation.

High safety‌

The generated nitrogen is non-flammable and non-explosive, making it safer to use.

‌Strong adaptability‌

It can adapt to different working environments and power system changes, and has functions such as overvoltage protection and overheating protection.

Technical Parameters

Nitrogen generator 
ModelRKZD-21/99.999  RKZD-50/99.99  RKZD-60/99.99RKZD-150/99.99  
Nitrogen flow21Nm3/h50Nm3/h60Nm3/h150Nm3/h
Nitrogen purity99.99999.99%99.99%99.99%
Nitrogen outlet pressure 6bar6bar(Adjustable)6bar(Adjustable)6bar(Adjustable)
Nitrogen dew point-40°C-40°C-40°C-40°C
Generator power 0.1kw0.15kw0.15kw0.15kw
Controll method PLC ControllerPLC ControllerPLC ControllerPLC Controller
Adsorption pressureequipped with 1 pcs of 0.3m30.7-0.8Mpa0.7-0.8Mpa0.7-0.8Mpa
Air buffer tankequipped with 1 pcs of 0.3m3equipped with 1 pcs of 0.6m³equipped with 1 pcs of 0.6m³equipped with 1 pcs of 1.5m³
Nitrogen buffer tankequipped with 1 pcsequipped with 1 pcs of 0.6m³equipped with 1 pcs of 0.6m³equipped with 1 pcs of 1.5m³
Regeneration methodDouble towers alternate adsorption and continuous operationDouble towers alternate adsorption and continuous operationDouble towers alternate adsorption and continuous operationDouble towers alternate adsorption and continuous operation
Control SystemFully automatic controlFully automatic controlFully automatic controlFully automatic control
Control air pathPU seriesPU seriesPU seriesPU series
Equipment accessoriesPressure gauge, flow meter, purity molecular meter, pressure regulating valvePressure gauge, flow meter, purity molecular meter, pressure regulating valvePressure gauge, flow meter, purity molecular meter, pressure regulating valvePressure gauge, flow meter, purity molecular meter, pressure regulating valve
Materialcarbon steelcarbon steelcarbon steelcarbon steel
Dimension1700*1600*2000mm1900*1800*2350mm2000*1900*2300mm5200*1600*2900mm
Weight1200kg1400kg1800kg2500kg
Required compressed air
Inlet air flow≥2.75m³/min4.9m3/min5.8m3/min14.5m3/min
Inlet air pressure ≥8 bar≥8 bar≥8 bar≥8 bar
Inlet air oil content0.01ppm0.01ppm0.01ppm0.01ppm