GPS420 Series Economy Nitrogen pressure regulators with multiple configuration options

GPS420 Series single stage piston cylinder regulators are designed for primary pressure gas control of non-corrosive or toxic, technical grade gases up to 4.5 purity (99.995%), on applications where slight pressure variation from decreasing cylinder pressure is acceptable.


  • Five port configuration
  • Front & rear panel mounting capabilities
  • Encapsulated seat design
  • Low wetted surface area
  • Full range of inlet and outlet fittings
  • Base and side entry

Technical data

Maximum Inlet Pressure 60 bar (870 PSI)
300 bar (4350 PSI) (Subject to cylinder connection)
Delivery Pressure Range 20 bar (300 PSI)
50 bar (725 PSI)
100 Bar (1450 PSI)
200 bar (2900 PSI)
250 bar (3630 PSI)
Gauges 50mm (2") Diameter
Ports 1/4" NPT Female
Temperature Range -20° C to +60° C (-4° F to +140° F)
Flow Coefficient (Cv) 0.1
Weight 1.5 kg (3.3 lbs) (Cylinder connection not include)
Material Body Brass Barstock
Bonnet Brass Barstock
Piston Brass
Valve Seat Polyamide (Nylon®)
Filter 10 Micron 316L Stainless Steel

Ordering information

Please see the datasheet attached to this page for further ordering information and further technical specifications.

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