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Gasarc Lab Master LGS500 Single Stage High Purity Gas Regulator
- Consistent Performance: Delivers stable pressure and flow rates, crucial for sensitive processes.
- Reduced Contamination Risk: Protects your valuable high-purity gases from impurities, ensuring optimal process outcomes.
- Enhanced Safety: The robust design and leak-free operation contribute to a safer working environment.
- Long-Term Reliability: Durable construction and high-quality materials promise an extended operational lifespan.
- Flexible Integration: Adaptable design for seamless incorporation into existing and new gas systems.
£312.35 – £324.27 ex VAT



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Unrivaled Purity & Precision in Single Stage Gas Regulation
Improve your gas management systems with the Gasarc Lab Master LGS500 Single Stage High Purity Gas Regulator, an indispensable component for industries demanding unwavering precision and purity. Engineered for primary pressure control of non-corrosive and toxic high-purity gases up to an exceptional Grade 5.0 (99.999%), the LGS500 stands as a testament to reliability and advanced engineering in gas regulation. This robust single-stage regulator ensures consistent flow and minimises contamination, making it the superior choice for sensitive environments where gas integrity is paramount.
Lab Master LGS500 Features
The Gasarc Lab Master LGS500 is meticulously crafted with features that optimise performance, durability, and ease of integration into diverse gas systems:
- Encapsulated Seat Design: Engineered to reduce wear and enhance sealing, providing prolonged, leak-free operation and exceptional longevity.
- Minimal Wetted Surface Area: Designed to significantly reduce the risk of contamination, preserving the integrity of your high-purity gases.
- Nickel-Plated Brass Barstock Body: Offers superior corrosion resistance and enhanced durability, ensuring dependable service in challenging industrial settings.
- Six-Port Configuration: Provides unparalleled flexibility and efficiency for seamless system integration and versatile application.
- Rear Panel Mounting Style: Facilitates easy and secure installation, especially in space-constrained environments.
- Comprehensive Fitting Range: Compatible with a full spectrum of inlet and outlet fittings to accommodate diverse operational requirements.
- Premium Materials: Features a high-strength alloy bonnet, 316L Stainless Steel diaphragm and 10 Micron 316L Stainless Steel filter for maximum purity and resilience.
- Wide Operating Temperature Range: Functions reliably from -20°C to +60°C (-4°F to +140°F), adapting to various environmental conditions.
- High Pressure Capability: Supports maximum inlet pressures up to 300 bar / 4350 psi (subject to cylinder connection) and delivery pressure ranges from 1.5 to 10 bar.
Lab Master LGS500 Compatibility
What’s In The Box
- Cylinder Connection
- Cylinder Contents Gauge
- Outlet Pressure Gauge
Ordering Lab Master LGS500
Model No | Part No | Description | Gas |
---|---|---|---|
LGS501-04-02-01-01-010-00-A | 3960022747 | Lab-Master Single Stage 2 Gauge Cylinder Regulator 0-1.5bar BS 341 No.3 (Side Entry) 1/4NPT Female Outlet | Oxygen & Inert |
LGS501-04-03-01-01-010-00-A | 3960004163 | Lab-Master Single Stage 2 Gauge Cylinder Regulator 0-3.5bar BS 341 No.3 (Side Entry) 1/4NPT Female Outlet | Oxygen & Inert |
LGS501-04-04-01-01-010-00-A | 3960004958 | Lab-Master Single Stage 2 Gauge Cylinder Regulator 0-6bar BS 341 No.3 (Side Entry) 1/4NPT Female Outlet | Oxygen & Inert |
LGS501-04-05-01-01-010-00-A | 3960004170 | Lab-Master Single Stage 2 Gauge Cylinder Regulator 0-10bar BS 341 No.3 (Side Entry) 1/4NPT Female Outlet | Oxygen & Inert |
LGS501-04-02-01-01-023-00-A | Order By Model | Lab-Master Single Stage 2 Gauge Cylinder Regulator 0-1.5bar BS 341 No.32 (Side Entry) 1/4NPT Female Outlet | Oxygen NEVOC |
LGS501-04-03-01-01-023-00-A | Order By Model | Lab-Master Single Stage 2 Gauge Cylinder Regulator 0-3.5bar BS 341 No.32 (Side Entry) 1/4NPT Female Outlet | Oxygen NEVOC |
LGS501-04-04-01-01-023-00-A | Order By Model | Lab-Master Single Stage 2 Gauge Cylinder Regulator 0-6bar BS 341 No.32 (Side Entry) 1/4NPT Female Outlet | Oxygen NEVOC |
LGS501-04-05-01-01-023-00-A | Order By Model | Lab-Master Single Stage 2 Gauge Cylinder Regulator 0-10bar BS 341 No.32 (Side Entry) 1/4NPT Female Outlet | Oxygen NEVOC |
Lab Master LGS500 Applications
The Gasarc Lab Master LGS500 Single Stage High Purity Gas Regulator is an ideal solution across a multitude of high-stakes sectors, including:
- Industrial Processes: Ensuring precise gas delivery for manufacturing, fabrication, and specialised industrial operations.
- Refrigeration Systems: Critical for maintaining specific gas conditions within advanced refrigeration and cryogenic applications.
- Analytical Laboratories: Provides the stable, contamination-free gas supply essential for accurate results in gas chromatography, mass spectrometry, and other analytical instruments.
- Scientific Research: Supports research and development initiatives requiring ultra-high purity gas control.
- Welding and Fabrication: Delivering consistent gas flow for specialized welding applications requiring high purity.
Lab Master LGS500 Specifications
Product Line | Lab Master |
---|---|
Purity Grade | 5.0 (99.999%) |
Gas Properties | Non-corrosive, toxic |
Material (main body) | Nickel plated brass barstock |
Material (bonnet) | High strength alloy |
Material (diaphragm) | 316L Stainless Steel |
Material (bonnet seal) | PTFE |
Material (seal) | FKM / EPDM |
Material (valve seat) | Polyamide (Nylon®) |
Material (filter) | 10 Micron 316L Stainless Steel |
Regulation Type | Single stage |
Applications | Industry, Refrigeration, Analytical Laboratories |
Maximum Inlet Pressure (bar/psi) | 60, 300 / 870, 4350 (subject to cylinder connection) |
Delivery Pressure Range (bar/psi) | 1.5, 3.5, 6, 10 (22, 50, 90, 150) |
Gauges | 50mm (2”) Diameter |
Ports | 1/4” NPT Female |
Temperature Range | -20oC to +60oC (-4oF to +140oF) |
Weight (kg / lbs) – Cylinder connection not included | 1.2 / 2.7 |
Lab Master LGS500 Resources
Ensure the integrity and precision of your gas-dependent operations. Discover the full capabilities of the Gasarc Lab Master LGS500 Single Stage High Purity Gas Regulator and enhance your system’s performance.
Free Delivery |
Free Delivery |
---|---|
Brand |
ESAB GASARC |
Outlet Pressure |
0-1.5 ,0-3.5 ,0-6 ,0-10 |
Fitting |
No. 3 ,No. 32 NEVOC |
Purity |
5.0 |
Gas Type |
Inert ,Oxygen (O2) |
Regulator Type |
Single Stage |
Nationwide Delivery (all items excluding gas cylinders):
- Free UK mainland (England, Scotland and Wales) delivery on orders over £85 inc. VAT
- UK mainland delivery is £7.50 inc. VAT on orders under £85 inc. VAT
- UK islands and Northern Ireland shipping costs may vary
Click and Collect:
Free click and collect with no minimum spend from our warehouse on the Empress Park, Southampton with on-site parking. Once your order has been processed, we will advise you when it is ready for pickup.
Just want advice? No problem. Feel free to call in to speak to one of our friendly experts.
EWS Fleet Coverage Areas:
Southampton | Eastleigh | Winchester | Alton | Farnham | Petersfield | Havant | Hayling Island | Waterlooville | Fareham | Portsmouth | Gosport | Chichester | Arun | Worthing | New Forest | Christchurch | Salisbury | Wiltshire | Test Valley | Basingstoke and Deane | West Berkshire | Reading | Hart | Waverley | East Hampshire | East Dorset | Hampshire | Bournemouth | Poole | Lymington | Ringwood | Verwood | East Preston | Goring-by-Sea | Lancing | Shoreham-by-Sea | Steyning | Bramber | Horsham | Adur
UK Delivery for Gas Cylinders:
Shipping costs for gas cylinders are calculated at checkout once the delivery postcode is entered.
International Delivery:
Please contact us for an accurate delivery quote.

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