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Gasarc Tech Master 421 5 Port Single Stage Regulator FKM Seal

SKU: 3960020668
  • Enhanced precision and control over gas flow
  • Increased efficiency and productivity
  • Reliable performance for demanding tasks
  • Durable construction for long-lasting use
  • Versatile compatibility for diverse applications
  • Easy installation with multiple mounting options

£444.73 ex. VAT     £533.68 inc VAT

Worldwide Delivery
Rated excellent on Google
Over 50 years welding expertise
Free delivery over £85 inc. VAT
Lead Time is normally 6 Working Days

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Gasarc Tech Master 421 Regulator: Unleash Precision Gas Control for Demanding Applications

Master gas flow with ultimate control and reliability using the Gasarc Tech Master 421 Regulator, the high-performance choice for professionals and enthusiasts alike. Boasting a robust single-stage piston design and versatile capabilities, this regulator empowers you to tackle diverse industrial, laboratory, and research applications with confidence.


  • Five port configuration
  • Front & rear panel mounting capabilities
  • Encapsulated seat design
  • Low wetted surface area
  • Full range of inlet and outlet fittings
  • Base and side entry
Additional information
Free Delivery

Free Delivery



Lead Time

6 Working Days


Base , Side


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.

  • FKM Seal
  • Inlet <=300 bar
  • BS 341 No.30
  • Outlet 0-200 bar 1/4 NPT Female
Gasarc Tech Master 421 5 Port Single Stage Regulator FKM Seal

Gasarc Tech Master 421 5 Port Single Stage Regulator FKM Seal

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£444.73 ex. VAT     £533.68 inc VAT
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