Welding, Cutting & Safety Solutions

Tech Master GPS421 Single Stage Inert Gas Regulator 100bar DIN477 No.10


£296.09 ex VAT £355.31 inc VAT

Brand: Gas Arc
Product Model:
In Stock

Single Stage Piston Cylinder Regulator, FKM Seal.

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Tech Master GPS421 Single Stage Inert Gas Regulator 100 Bar DIN477 No.10

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.

  • Inlet: 300 bar DIN 477 No.10
  • Outlet: 0-100 bar 1/4″ NPT female


  • 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


Body Brass Barstock
Bonnet Brass Barstock
Piston Brass
Valve Seat Polyamide (Nylon®)
Filter 10 Micron 316L Stainless Steel


Maximum Inlet Pressure 60 bar (870 PSI), 300 bar (4350 PSI)*
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)**

* Subject to cylinder connection – ** Cyliner connection not included

Please note: If you require a test certificate with your regulator, it must be ordered at the same time. Our certification product can be found here: Gas Arc Regulator Test Certificate

Data Sheet can be found in Documents Section

A carriage charge is applied to orders, for standard 1-2 day shipments to mainland destinations within the United Kingdom. Other destinations and premium services are available but subject to additional freight charges.

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