Tech Master GPS420 Inert Gas Regulator 250 Bar 1/4" NPT Female Outlet

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£498.93 ex VAT
£598.72 inc VAT
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  • Single-stage piston cylinder regulator for inert gases up to 99.995% purity
  • Maximum inlet pressure 300 bar, delivery pressure range 0-250 bar
  • 1/4″ NPT Female outlet, BS 341 No.3 base entry inlet connection
  • Brass body with 10 micron 316L stainless steel filter, weighs 1.5 kg
  • Operating temperature range -20°C to +60°C
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The Tech Master Inert Gas Regulator is a high-quality single-stage piston cylinder regulator designed for controlling non-corrosive or toxic, technical grade inert gases up to 4.5 purity (99.995%).

This regulator is ideal for applications where slight pressure variation from decreasing cylinder pressure is acceptable. It is specifically constructed for primary pressure gas control and is a product of the Gas Arc brand.

Key Features

  • Five-Port Configuration: Offers extensive connection flexibility for various system needs.
  • Front and Rear Panel Mounting Capabilities: Enables flexible and secure installation in different environments.
  • Encapsulated Seat Design & Low Wetted Surface Area: Minimizes the risk of gas contamination, essential for maintaining gas purity.
  • Full Range of Inlet and Outlet Fittings: Ensures compatibility with diverse gas types and connections.
  • Base and Side Entry Points: Provides versatility in installation and connection configurations.

Typical Applications

  • Industrial Processes: Suitable for applications requiring precise control of inert gases.
  • Laboratories: Ideal for research settings where accurate gas flow control is necessary.
  • Technical Gas Handling: Appropriate for technical grade inert gases.
Model Number GPS421-04-13-01-01-009-00-A
Brand Gas Arc
Gas Type Non-corrosive or toxic, technical grade inert gases up to 4.5 purity (99.995%)
Options Options A
Maximum Inlet Pressure 300 bar (4350 PSI)*
Inlet Connection <=300 Bar BS 341 No.3 (Base Entry)
Delivery Pressure Range 0-250 bar (0-3630 PSI)
Outlet Connection 1/4″ NPT Female
Flow Coefficient (Cv) 0.1
Weight 1.5 kg (3.3 lbs)**
Gauges Diameter 50mm (2 inches)
Temperature Range -20°C to +60°C (-4°F to +140°F)
Body Brass Barstock
Bonnet Brass Barstock
Piston Brass
Seal FKM / EPDM
Valve Seat Polyamide (Nylon®)
Filter 10 Micron 316L Stainless Steel

* 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

Brand Gas Arc
Entry Point Base Entry, Side Entry
Inlet Connection BS341 No.3
Outlet Connection 1/4" NPT
Inlet Pressure 300 bar
Outlet Pressure 250 bar
Purity Grade Grade 4.5
Stages Single Stage
Gas Type Inert

Tech Master GPS420 Series - Technical Datasheet

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