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Gasarc Tech Master GPT400 Two Stage Gas Regulator
- Unmatched Precision: Achieve superior weld quality and process control with consistent gas flow
- Enhanced Productivity: Minimise downtime and rework with a reliable regulator that delivers consistent performance
- Reduced Operating Costs: Durable construction and low maintenance requirements ensure long service life
- Increased Safety: Leak-free operation and robust design promote a safer work environment
- Versatile Applications: Suitable for a wide range of welding, cutting, and industrial gas processes
£177.99 – £285.53Price range: £177.99 through £285.53 ex VAT



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Achieve Unrivalled Gas Purity and Pressure Stability
As a leading distributor of welding and gas supply solutions, we understand the critical importance of precise gas control and unwavering reliability in industrial environments. The Gasarc Tech Master GPT400 Two-Stage Gas Regulator stands as a testament to engineering excellence, offering a superior solution for managing non-corrosive or toxic gases with exceptional purity up to 99.995% (4.5 grade). Designed for the most demanding applications, this two-stage regulator ensures consistent gas delivery, even as cylinder pressure fluctuates, providing the stability essential for optimal operational performance and enhanced safety.
The GPT400 series distinguishes itself through its robust construction, advanced pressure management capabilities, and versatile installation options. Crafted from durable brass barstock, it guarantees corrosion-free longevity, making it a reliable investment for any industrial setup. The innovative encapsulated seat design and low wetted surface area further contribute to its durability and optimise gas flow efficiency, ensuring that your processes run smoothly and without interruption. With the Gasarc Tech Master GPT400, you are investing in a product that combines experience, expertise, and authoritativeness to deliver trustworthy performance in critical gas handling applications.
Tech Master GPT400 Features
- Advanced Two-Stage Pressure Regulation: Delivers exceptionally stable and precise gas pressure output, regardless of changes in cylinder pressure, crucial for maintaining process integrity.
- Optimised Five-Port Configuration: Provides unparalleled installation flexibility with dual gas entry points and a comprehensive range of inlet and outlet fitting options to suit diverse system requirements.
- Robust Brass Barstock Construction: Engineered from high-quality brass barstock, ensuring superior corrosion resistance and extended operational lifespan in demanding industrial settings.
- Enhanced Durability and Gas Flow Efficiency: Features an encapsulated seat design and a low wetted surface area, significantly improving longevity and promoting consistent, unimpeded gas flow.
- Specialised Series Availability: Available in the GPT401 Series with FKM Seal and the GPT402 Series with EPDM Seal, catering to specific gas compatibility and application needs.
Tech Master GPT400 Applications
The Gasarc Tech Master GPT400 Two-Stage Gas Regulator is ideally suited for a wide array of industrial applications requiring precise and reliable gas delivery, including:
- General Industry: Critical for manufacturing, fabrication, and process control where stable gas flow is paramount.
- Refrigeration Systems: Essential for accurate control of gases used in refrigeration and air conditioning maintenance and production.
- Laboratory and Research Facilities: Provides the precision needed for sensitive analytical instruments and experimental setups.
- Welding and Cutting Operations: Ensures consistent shielding gas delivery, vital for high-quality welds and efficient cutting processes.
Tech Master GPT400 Compatibility
What’s In The Box
- Cylinder Connection
- Cylinder Contents Gauge
- Outlet Pressure Gauge
- Outlet Connection
Ordering Tech Master GPT400
Model No | Part No | Description | Gas |
---|---|---|---|
GPT401-04-02-01-01-009-07-A | 3960001933 | Tech-Master Multi Stage 2 Gauge Cylinder Regulator 0-1.5bar BS 341 No.3(Base Entry) 3/8BSP Male Right Hand Outlet | Oxygen & Inert |
GPT401-04-03-01-01-009-07-A | 3960000998 | Tech-Master Multi Stage 2 Gauge Cylinder Regulator 0-3.5bar BS 341 No.3(Base Entry) 3/8BSP Male Right Hand Outlet | Oxygen & Inert |
GPT401-04-04-01-01-009-07-A | 3960004408 | Tech-Master Multi Stage 2 Gauge Cylinder Regulator 0-6bar BS 341 No.3(Base Entry) 3/8BSP Male Right Hand Outlet | Oxygen & Inert |
GPT401-04-05-01-01-009-07-A | 3960000042 (RAN03154) | Tech-Master Multi Stage 2 Gauge Cylinder Regulator 0-10bar BS 341 No.3(Base Entry) 3/8BSP Male Right Hand Outlet | Oxygen & Inert |
GPT401-04-02-01-01-010-07-A | 3960002626 | Tech-Master Multi Stage 2 Gauge Cylinder Regulator 0-1.5bar BS 341 No.3(Side Entry) 3/8BSP Male Right Hand Outlet | Oxygen & Inert |
GPT401-04-03-01-01-010-07-A | 3960001087 | Tech-Master Multi Stage 2 Gauge Cylinder Regulator 0-3.5bar BS 341 No.3(Side Entry) 3/8BSP Male Right Hand Outlet | Oxygen & Inert |
GPT401-04-04-01-01-010-07-A | 3960006112 | Tech-Master Multi Stage 2 Gauge Cylinder Regulator 0-6bar BS 341 No.3(Side Entry) 3/8BSP Male Right Hand Outlet | Oxygen & Inert |
GPT401-04-05-01-01-010-07-A | 3960001049 | Tech-Master Multi Stage 2 Gauge Cylinder Regulator 0-10bar BS 341 No.3(Side Entry) 3/8BSP Male Right Hand Outlet | Oxygen & Inert |
GPT401-04-02-01-01-023-07-A | 3960018597 | Tech-Master Multi Stage 2 Gauge Cylinder Regulator 0-1.5bar BS 341 No.32(Side Entry) 3/8BSP Male Right Hand Outlet | Oxygen NEVOC |
GPT401-04-03-01-01-023-07-A | 3960018603 | Tech-Master Multi Stage 2 Gauge Cylinder Regulator 0-3.5bar BS 341 No.32(Side Entry) 3/8BSP Male Right Hand Outlet | Oxygen NEVOC |
GPT401-04-04-01-01-023-07-A | 3960018610 | Tech-Master Multi Stage 2 Gauge Cylinder Regulator 0-6bar BS 341 No.32(Side Entry) 3/8BSP Male Right Hand Outlet | Oxygen NEVOC |
GPT401-04-05-01-01-023-07-A | 3960001919 | Tech-Master Multi Stage 2 Gauge Cylinder Regulator 0-10bar BS 341 No.32(Side Entry) 3/8BSP Male Right Hand Outlet | Oxygen NEVOC |
Tech Master GPT400 Specifications
Product Line | Tech Master |
---|---|
Purity Grade | 4.5 (99.995%) |
Gas Properties | Non-corrosive, toxic |
Material (main body) | Brass |
Material (bonnet) | High strength alloy |
Material (diaphragm) | Polychloroprene (Neoprene®) (CR) |
Material (valve seat) | Polyamide (Nylon®) |
Material (seal) | FKM / EPDM |
Material (filter) | 10 Micron 316L Stainless Steel |
Regulation Type | Dual stage / Two stage |
Applications | Industry, Refrigeration |
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 – cylinder connection not included (kg/lbs) | 1.8 (4.0) |
Compliance | EN ISO 2503 |
Tech Master GPT400 Resources
Elevate your industrial gas management with the Gasarc Tech Master GPT400 Two-Stage Gas Regulator. Experience the difference that precision engineering and uncompromising quality can make to your operations.
Free Delivery |
Free Delivery |
---|---|
Brand |
ESAB GASARC |
Outlet Pressure |
0-1.5 ,0-3.5 ,0-6 ,0-10 |
Entry |
Base ,Side |
Fitting |
No. 3 ,No. 32 NEVOC |
Purity |
4.5 |
Gas Type |
Inert ,Oxygen (O2) |
Regulator Type |
Multi 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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