Reliable 160Nm3/hr PSA N2 Generator with 99.99% Purity for Laser Cutting & Metal Heat Treatment

PSA Nitrogen Generator is an on‑site gas production system that uses Pressure Swing Adsorption technology to separate nitrogen from compressed air, delivering high‑purity nitrogen continuously.

  • Working Pressure:6~20[ bar ]87~290[ psig ]
  • Free Air Delivery:10.6~2295[ cfm ]0.3~65[ m3/min ]
  • Working Power:7.5~350[ kw ]10~467[ hp ]

Product Details

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PSA Nitrogen Generator 

  • Up to 90% Cost Savings – Slashes nitrogen costs vs. cylinders or liquid supply.

  • 24/7 Reliable Supply – Dual‑tower design ensures uninterrupted on‑site production.

  • High & Adjustable Purity – Delivers 95%–99.999% purity, tunable to your process.

  • Fully Automatic Operation – PLC control with auto‑venting of off‑spec gas; no manual supervision needed.

  • Rapid Start‑up – Reaches operating purity within 15–30 minutes.

  • Low Maintenance – Long‑life CMS and rugged valves reduce downtime and service costs.

  • Eliminates Logistics – No cylinder handling, rental, or delivery delays.

  • Safe & Eco‑Friendly – Operates at moderate pressure with no cryogenic or high‑pressure hazards.


Technical Parameters

Nitrogen generator

Model

RKZD-21/99.999

RKZD-50/99.99

RKZD-60/99.99

RKZD-150/99.99

Nitrogen flow

21Nm3/h

50Nm3/h

60Nm3/h

150Nm3/h

Nitrogen purity

99.999

99.99%

99.99%

99.99%

Nitrogen outlet pressure

6bar

6bar(Adjustable)

6bar(Adjustable)

6bar(Adjustable)

Nitrogen dew point

-40°C

-40°C

-40°C

-40°C

Generator power

0.1kw

0.15kw

0.15kw

0.15kw

Controll method

PLC Controller

PLC Controller

PLC Controller

PLC Controller

Adsorption pressure

equipped with 1 pcs of 0.3m3

0.7-0.8Mpa

0.7-0.8Mpa

0.7-0.8Mpa

Air buffer tank

equipped with 1 pcs of 0.3m3

equipped with 1 pcs of 0.6m³

equipped with 1 pcs of 0.6m³

equipped with 1 pcs of 1.5m³

Nitrogen buffer tank

equipped with 1 pcs

equipped with 1 pcs of 0.6m³

equipped with 1 pcs of 0.6m³

equipped with 1 pcs of 1.5m³

Regeneration method

Double towers alternate adsorption and continuous operation

Double towers alternate adsorption and continuous operation

Double towers alternate adsorption and continuous operation

Double towers alternate adsorption and continuous operation

Control System

Fully automatic control

Fully automatic control

Fully automatic control

Fully automatic control

Control air path

PU series

PU series

PU series

PU series

Equipment accessories

Pressure gauge, flow meter, purity molecular meter, pressure regulating valve

Pressure gauge, flow meter, purity molecular meter, pressure regulating valve

Pressure gauge, flow meter, purity molecular meter, pressure regulating valve

Pressure gauge, flow meter, purity molecular meter, pressure regulating valve

Material

carbon steel

carbon steel

carbon steel

carbon steel

Dimension

1700*1600*2000mm

1900*1800*2350mm

2000*1900*2300mm

5200*1600*2900mm

Weight

1200kg

1400kg

1800kg

2500kg

Required compressed air





Inlet air flow

≥2.75m³/min

4.9m3/min

5.8m3/min

14.5m3/min

Inlet air pressure

≥8 bar

≥8 bar

≥8 bar

≥8 bar

Inlet air oil content

0.01ppm

0.01ppm

0.01ppm

0.01ppm