Tech Master GPS421 Side Entry Inert Gas Regulator 0 – 20 Bar (3960007300)


£284.30 ex VAT £341.16 inc VAT

Brand: Gas Arc
Product Model:
In Stock

  • Entry Point: Base and side
  • Inlet Connection: BS 341 No.3
  • Inlet Max Pressure: 300 bar (4350 PSI)
  • Outlet Connection: 1/4 NPT female
  • Outlet Max Pressure: 20 bar (300 PSI)
  • Purity Grade: Up to grade 4.5 purity (99.995%)
  • Stages: Single Stage
  • Gas Type: Inert
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Tech Master GPS421 Side Entry Inert Gas Regulator 0 – 20 Bar (3960007300)

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.

Tech Master 5 Port Single Stage Piston Cylinder Regulator with FKM Seal.


  • Inlet: ≤300 bar BS 341 No.3
  • Outlet: 0-20 bar 1/4 NPT female
  • Options: A
  • Part No: 3960007300


  • 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
Seal FKM
Seat Polyamide (Nylon®)
Filter 10 Micron 316L Stainless Steel


Maximum Inlet Pressure 300 bar (4350 PSI)*
Delivery Pressure Range 20 bar (300 PSI)
Gauges Diameter 50mm (2”)
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 lb)**

* Subject to cylinder connection ** Cylinder 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



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