Gas Arc Lab Master LGT501 Multi Stage 2 Gauge Fuel Gas Regulator (3.5 Bar)
- Two-stage diaphragm cylinder regulator for fuel gas, up to 5.0 purity (99.999%)
- Inlet pressure 0-300 bar, outlet pressure 0-3.5 bar
- Nickel plated brass body with 316L stainless steel diaphragm
- FKM seal, side entry, BS341 No.4 inlet connection
- 10 micron 316L stainless steel filter with encapsulated seat design

Designed for primary pressure gas control of non-corrosive or toxic, high purity gases up to grade 5.0 purity (99.999%), on applications where constant delivery pressure is required as cylinder pressure decreases.
5.0 Purity Two Stage Nickel Plated Brass Barstock Diaphragm Cylinder Regulator.
Two Stage Diaphragm Cylinder Regulator, FKM Seal, FKM Pressure Relief Valve complete with stainless steel compression.
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
| Inlet Pressure | 0-300 bar |
| Outlet Pressure | 0-3.5 bar |
| Seal | FKM seal |
| Body | Nickel Plated Brass Barstock |
| Bonnet | High Strength Alloy |
| Diaphragm | 316L Stainless Steel |
| Bonnet Seal | PTFE |
| Pressure Relief Valve Seal | FKM / EPDM |
| Valve Seat | Polyamide (Nylon®) |
| Filter | 10 Micron 316L Stainless Steel |
| Configuration | Six port configuration |
| Seat Design | Encapsulated seat design |
| Wetted Surface Area | Low wetted surface area |
| Fittings | Full range of inlet and outlet fittings |
| Entry Type | Side entry |
| Inlet Connection | BS341 No.4 |
| Brand | Gas Arc |
| Entry Point | Side Entry |
| Inlet Connection | BS341 No.4 |
| Inlet Pressure | 300 bar |
| Outlet Pressure | 3.5 bar |
| Stages | Multi Stage |
| Gas Type | Hydrogen |
| Purity Grade | Grade 5.0 |
Download Datasheet
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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