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ESAB GASARC Tech Master HF-35 Single Stage Oxygen & Inert Nevoc Regulator

  • All-brass construction withstands demanding environments
  • Finned body design minimises pressure fluctuations for consistent results
  • Precise pressure adjustment knob optimises gas flow for specific applications
  • Dual safety relief valves offer maximum operator protection
  • Rear inlet design and Nevoc fitting accommodate diverse gas delivery systems


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Over 50 years welding expertise
Free delivery over £85 inc. VAT
Oxygen (O2)

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GASARC Tech Master HF-35: Unleash Precision Gas Control for Demanding Applications

The ESAB GASARC Tech Master HF-35 Single Stage Oxygen & Inert Nevoc Regulator is the industry leader for high-pressure, high-flow applications. Designed and manufactured in the UK with exceptional quality, this regulator delivers unparalleled performance for both oxygen and inert gas welding processes.


  • Single-stage design: Offers simplicity and reliability for various applications
  • All-brass construction: Ensures exceptional durability and corrosion resistance
  • Finned body: Minimises the refrigerant effect for consistent pressure regulation
  • Pressure adjustment knob: Enables precise control of outlet pressure for optimal settings
  • Dual safety relief valves: Provides enhanced safety during operation
  • Rear inlet configuration: Facilitates connection to both individual cylinders and bundles
  • Integral inlet filter: Guarantees gas purity for flawless results
  • Nevoc inlet connection: Offers broad compatibility with diverse gas delivery systems
  • 3/8″ BSP outlet port: Industry-standard connection for easy integration with equipment
  • ISO 5171 compliant pressure gauges: Delivers accurate and reliable pressure readings
  • Maximum inlet pressure: 300 bar (4350 PSI) for oxygen and inert gases
  • Maximum outlet pressure: 0-35 bar for versatile pressure control
  • High flow rate: Up to 450 m³/hr @ 15°C in air at 300 bar inlet pressure (depending on gas type)
  • Temperature range: -20°C to +60°C (-4°F to +140°F) for wide-ranging use


  • Laser Gas Control: Ensure pinpoint accuracy and consistent gas flow for flawless laser cutting and welding
  • Heavy-Duty Cutting: Experience exceptional performance in high-flow cutting applications, maximising productivity and efficiency
  • Industrial Gas Control: Maintain precise control over various industrial gas applications requiring high flow rates and pressure


Part No Description Gas
RAN34002 Tech-Master Single Stage 2 Gauge Cylinder Regulator 0-35bar BS 341 No.3 ( Rear Entry) 3/8BSP Male Right Hand Outlet (230bar) Oxygen
RAN34003 Tech-Master Single Stage 2 Gauge Cylinder Regulator 0-35bar BS 341 No.4 ( Rear Entry) 3/8BSP Male Right Hand Outlet (300bar) Inert


Body: Brass
Piston: Brass
Bonnet: Brass Barstock
Filter: Bronze
Valve Seat: Nylon® / PCTFE
Maximum Inlet Pressure: 300 bar (4350 PSI), 230 bar (3335 PSI) for Oxygen
Outlet Pressure Range: 0 to 35 bar (507 PSI)
Maximum Flow: 450 m³/h @ 15°C in AIR at 300 bar inlet
Temperature Range: -20° C to +60° C (-4° F to +140° F)
Weight: 3.8 kg (8.4 lb)



Additional information
Weight N/A
Free Delivery

Free Delivery





Fuel Type



Oxygen (O2)

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.

ESAB GASARC Tech Master Single Stage HF-14 High Flow Oxygen Regulator Inert

ESAB GASARC Tech Master HF-35 Single Stage Oxygen & Inert Nevoc Regulator

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