Gas Arc Lab Master LGT501 Inert Gas Regulator BS341 No.3 (0-3.5 Bar)
- Two-stage inert gas regulator for high purity gases up to 5.0 purity (99.999%)
- Inlet pressure 0-300 bar BS341 No.3; outlet pressure 0-3.5 bar 1/4 NPT Female
- Nickel plated brass body with 316L stainless steel diaphragm and 10 micron filter
- FKM seal with encapsulated seat design and six port configuration

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.
Features & Benefits
- Six port configuration
- Encapsulated seat design
- Low wetted surface area
- Full range of inlet and outlet fittings
- Side entry
- Inlet connection: BS341 No.3
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 |
| Inlet Pressure | 0-300 bar BS 341 No.3 |
| Outlet Pressure | 0-3.5 bar 1/4 NPT Female |
| Seal | FKM seal |
| Options | A |
| 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 |
| Brand | Gas Arc |
| Entry Point | Side Entry |
| Inlet Connection | BS341 No.3 |
| Outlet Connection | 1/4" NPT |
| Inlet Pressure | 300 bar |
| Outlet Pressure | 3.5 bar |
| Purity Grade | Grade 5.0 |
| Stages | Multi Stage |
| Gas Type | Inert |
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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