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Hi Lo Non-Reset DGN Flashback Arrestor – Oxygen, Fuel Gas

  • Prevents dangerous flashbacks, protecting you and your workspace
  • Non-resettable design ensures continuous protection
  • Complies with international safety standards for worry-free operation
  • Minimises downtime due to safety concerns


Worldwide Delivery
Rated excellent on Google
Over 50 years welding expertise
Free delivery over £85 inc. VAT

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Hi-Lo Non-Reset DGN Flashback Arrestor: Ultimate Safety for Your Oxygen & Fuel Gas Lines

The Hi-Lo Non-Reset DGN Flashback Arrestor is a comply-with-confidence safety device designed for both oxygen and fuel gas lines. It adheres to the strict EN 730-1 / ISO 5175 standards, ensuring uncompromising safety and performance.

This non-resettable design offers permanent protection against flashbacks, eliminating the risk of accidental resets or malfunctions. The integrated dust filter safeguards the internal components from contamination, extending the lifespan and reliability of the arrestor.


  • Non-resettable design: Provides permanent flashback protection
  • EN 730-1 / ISO 5175 compliant: Ensures safety and performance meet international standards
  • Available for both oxygen and fuel gas: Offers versatility for your specific needs
  • Rugged construction: Withstands the demands of harsh welding environments
  • Easy installation: Fits seamlessly into your existing gas line setup


Part No. Description
HL070301 Oxygen
HL070302 Fuel Gas
Additional information

Hi Lo

Fuel Type

Fuel , Oxygen


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.

Hi Lo Non-Reset DGN Flashback Arrestor - Oxygen, Fuel Gas

Hi Lo Non-Reset DGN Flashback Arrestor – Oxygen, Fuel Gas

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