Gas Arc Lab Master LGT501 Cylinder Gas Regulator (6.0 Bar) - LGT501-04-04-01-01-012-02-A
- Two-stage diaphragm cylinder gas regulator for high-purity gases up to grade 5.0 (99.999%)
- Maximum inlet pressure 300 bar (4350 PSI), delivery pressure 6 bar (90 PSI)
- Encapsulated seat design and low wetted surface area minimises contamination risks
- Body nickel plated brass, diaphragm 316L stainless steel, 10 micron stainless steel filter
- Weighs 1.7 kg, operates -20°C to +60°C, side entry connection point

The Gas Arc Lab Master LGT501 Cylinder Gas Regulator is a high-precision, two-stage diaphragm cylinder regulator crafted for managing non-corrosive or toxic, high purity gases up to grade 5.0 purity (99.999%).
This regulator is specifically designed to ensure constant delivery pressure as the cylinder pressure decreases, making it an ideal choice for applications demanding stable and accurate gas control.
Its construction and features make it suitable for various laboratory and industrial settings.
Key Features
- Six-Port Configuration: Offers comprehensive connection options for a variety of system requirements.
- Encapsulated Seat Design & Low Wetted Surface Area: Minimizes contamination risks, crucial for handling high-purity gases.
- Full Range of Inlet and Outlet Fittings: Ensures compatibility with various gas types and connections.
- Side Entry Point: Facilitates efficient and convenient connection to gas sources.
Common Applications
- Laboratories: Ideal for research settings requiring precise control of high-purity gases.
- Industrial Processes: Suitable for manufacturing and processing industries dealing with high purity gases.
- Specialized Gas Handling: Perfect for scenarios that manage high-purity, non-corrosive, or non-toxic gases.
| Maximum Inlet Pressure | 300 bar (4350 PSI) |
| Delivery Pressure Range | 6 bar (90 PSI) |
| Flow Coefficient (Cv) | 0.079 |
| Ports | 1/4″ NPT Female |
| Gauges | 50mm (2″) Diameter |
| Weight | 1.7 kg (3.8 lb) |
| Temperature Range | -20° C to +60° C (-4° F to +140° F) |
| 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 |
* 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 | Side Entry |
| Inlet Connection | BS341 No.4 |
| Outlet Connection | 1/4" stainless steel compression |
| Inlet Pressure | 300 bar |
| Outlet Pressure | 6 bar |
| Purity Grade | Grade 5.0 |
| Stages | Multi Stage |
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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