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Gasarc Tech Master GPS420 Single Stage Inert Nevoc Regulator
- Precise Flow Control: Ensures consistent gas delivery for optimal weld quality
- Enhanced Durability: Built to withstand the demands of professional welding environments
- Versatile Configuration Options: Adapts to your specific workspace needs
- Reduced Contamination Risk: Ideal for working with high-purity gases
- Environmentally Friendly: Meets NEVOC regulations
£314.15 – £493.25 ex VAT



Buy Now, Pay Later In 3 Interest-Free Payments
Master Gas Control with the Tech Master GPS420 Single Stage Inert Nevoc Regulator
The ESAB Gasarc Tech Master GPS420 Single Stage Inert Nevoc Regulator is the industry standard for welders seeking exceptional performance and reliable gas control. This regulator is meticulously engineered to deliver precise flow rates of non-corrosive, non-toxic inert gases, including Argon, Helium, and Nitrogen mixtures, up to a purity of 4.5 (99.995%).
Elevate your welding projects with the unparalleled control and reliability of the ESAB Gasarc Tech Master GPS420 Single Stage Inert Nevoc Regulator. Order yours today and experience the difference exceptional gas regulation makes!
Features
- Single-Stage Design: Offers a simplified operation for straightforward gas pressure regulation
- Five-Port Configuration: Provides maximum versatility for connecting gauges, flowmeters, and additional equipment
- Front & Rear Panel Mounting: Ensures easy and secure integration into your welding station
- Encapsulated Seat Design: Minimises wear and tear, extending the regulator’s lifespan
- Low Wetted Surface Area: Reduces potential contamination, ideal for high-purity gas applications
- NEVOC Compliance: Meets strict emission regulations for a cleaner work environment
- Full Range of Inlet and Outlet Fittings: Provides compatibility with various gas hoses and equipment (fittings sold separately).
- Base and Side Entry Options: Allow for flexible installation configurations
Applications
- Gas Metal Arc Welding (GMAW) – commonly known as MIG welding
- Tungsten Inert Gas Welding (TIG) – also known as GTAW
- Plasma Cutting
- Laser Cutting (with compatible inert gases)
- Purging and inerting applications
What’s Included
- Cylinder Connection
- Cylinder Contents Gauge
- Outlet Pressure Gauge
- Outlet Connection
Compatibility
Ordering
Model No | Part No | Description | Gas |
---|---|---|---|
GPS421-04-07-01-01-021-07-A | 3960000080 (RAN04014) | Tech-Master Single Stage 2 Gauge Cylinder Regulator 0-20bar BS 341 No.30 (Base Entry) 3/8BSP Male Right Hand Outlet | Inert NEVOC |
GPS421-04-10-01-01-021-04-A | 3960018573 | Tech-Master Single Stage 2 Gauge Cylinder Regulator 0-50bar BS 341 No.30(Base Entry) 1/4NPT Male Right Hand Outlet | Inert NEVOC |
GPS421-04-11-01-01-021-04-A | 3960000141 (RAN05012) | Tech-Master Single Stage 2 Gauge Cylinder Regulator 0-100bar BS 341 No.30 (Base Entry) 1/4NPT Male Right Hand Outlet | Inert NEVOC |
GPS421-04-12-01-01-021-04-A | 3960000189 (RAN06011) | Tech-Master Single Stage 2 Gauge Cylinder Regulator 0-200bar BS 341 No.30 (Base Entry) 1/4NPT Male Right Hand Outlet | Inert NEVOC |
GPS421-04-13-01-01-021-04-A | 3960000226 (RAN13011) | Tech-Master Single Stage 2 Gauge Cylinder Regulator 0-250bar BS 341 No.30 (Base Entry)1/4NPT Male Right Hand Outlet | Inert NEVOC |
Resources
Free Delivery |
Free Delivery |
---|---|
Brand |
ESAB GASARC |
Outlet Pressure |
0-200 ,0-250 ,0-20 ,0-50 ,0-100 |
Fitting |
1/4NPT Male ,3/8BSP Male |
Purity |
4.5 |
Fuel Type |
Inert |
Regulator Type |
Single Stage |
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
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.
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.
Maximum Inlet Pressure | 60 bar (870 PSI) |
300 bar (4350 PSI)* | |
Delivery Pressure Range | See 'Ordering' table |
Gauges | 50mm (2”) Diameter |
Ports | 1/4” NPT Female |
Temperature Range | -20° C to +60° C (-4° F to +140° F) |
Weight | 1.5 kg (3.3 lbs)** |
Body | Brass Barstock |
Bonnet | Brass Barstock |
Piston | Brass |
Seal | FKM |
Valve Seat | Polyamide (Nylon) |
Filter | 10 Micron 316L Stainless Steel |
* Subject to cylinder connection
** Cylinder connection not included

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