
Tech Master GPL420 High Pressure Inline FKM Inert Gas Regulator 0-20 Bar (GPL421-04-07-00-01-000-00-A)
- Single stage brass barstock piston line regulator for inert gas, 4.5 purity grade (99.995%)
- Outlet pressure 0-20 bar, inlet pressure 0-300 bar, 1/4″ NPT Female connections
- FKM seals, encapsulated seat design, four port configuration with front and rear mounting
- Temperature range -20°C to +60°C, weighs 1.4 kg, 10 micron 316L stainless steel filter

Designed for secondary pressure gas control of non-corrosive or toxic, technical grade gases up to grade 4.5 purity (99.995%), on gas distribution systems.
4.5 Purity Single Stage Brass Barstock Piston Line Regulator.
Features & Benefits
- Four port configuration
- Front & rear panel mounting capabilities
- Encapsulated seat design
- Low wetted surface area
- Full range of inlet and outlet fittings
- Side entry
| Inlet Pressure | 0-300 bar (4350 PSI) |
| Outlet Pressure | 0-20 bar (300 PSI) |
| Flow Coefficient (Cv) | 0.1 |
| Inlet and Outlet Connections | 1/4″ NPT Female |
| Gauges | 50mm (2) Diameter |
| Weight | 1.4 kg (3.1 lb) |
| Temperature Range | -20°C to +60°C (-4°F to +140°F) |
| Body | Brass Barstock |
| Bonnet | Brass Barstock |
| Piston | Brass |
| Seal | FKM |
| Seat | Polyamide (Nylon) |
| Filter | 10 Micron 316L Stainless Steel |
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 | Side Entry |
| Inlet Connection | 1/4” NPT |
| Inlet Pressure | 300 bar |
| Outlet Pressure | 20 bar |
| Purity Grade | Grade 4.5 |
| Stages | Single Stage |
| Gas Type | Inert |
Tech Master Regulators_GPL42GEN- A REV 1
Download PDFA 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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