
Gas Arc Lab Master LGT 500 Oxygen Regulator Two Stage Diaphragm 230 Bar Inlet 1" BSP Grade 5.0
- Two-stage diaphragm cylinder regulator for high purity gases up to grade 5.0 (99.999%)
- Brass construction with 1″ BSP inlet, 3/8″ BSP outlet, maximum inlet pressure 230 bar
- Outlet pressure range 0-14 bar with pressure adjustment bar for precise setting
- Integral inlet filter, finned body, high capacity relief valve, rear inlet connection
- Supplied with 1″ BSP x 5/8 BSP adaptor for cylinder connection

The Lab Master LGT500 Series two stage diaphragm cylinder regulators are 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.
Features & Benefits
- All brass construction
- Finned body to reduce refrigerant effect
- Pressure adjustment bar for precise outlet pressure setting
- High capacity relief valve for maximum protection
- Rear inlet for ease of connection to individual cylinders and bundles
- Integral inlet filter
- 1″ BSP female inlet connection for pipelines
- Supplied with 1″ BSP x 5/8 BSP adaptor for cylinder connection
- Pressure gauges to ISO 5171
- Designed and manufactured in Norfolk, UK
| Body | Brass |
| Valve Seat | Nylon/PCTFE |
| Piston | Brass |
| Filter | Bronze |
| Type | Single-stage |
| Inlet Pressure maximum | 230 bar |
| Outlet Pressure | 0-14 bar |
| Maximum Flow | 240 m3/hr @15°C in Air at 230 bar inlet, 80 m3/hr @15°C in Air at 30 bar inlet |
| Inlet Connection | BS341 / 1″ BSP |
| Outlet Port | 3/8″ BSP |
| Temperature Range | -200°C to +600°C (-328°F to +1112°F) |
| Weight | 3.8 kg (8.4 lb) |
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 | Rear Entry |
| Inlet Connection | 1" BSP |
| Outlet Connection | 3/8" BSP |
| Inlet Pressure | 230 bar |
| Outlet Pressure | 14 bar |
| Purity Grade | Grade 5.0 |
| Stages | Multi Stage |
| Gas Type | Oxygen |
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.
Gas Arc Lab Master LGT 500 Oxygen Regulator Two Stage Diaphragm 230 Bar Inlet 1" BSP Grade 5.0 Get in touch
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