• Bulgin® Flashback Arrestor Fuel Gas Medium Flow (DGU-F) Torch End - 5/8"-18 UNF LH — 3001-9989
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Bulgin

Bulgin DGU Medium Flow Flashback Arrestors — Torch End

Bulgin DGU Medium Flow Flashback Arrestors — Torch End

$87.64 AUD
$87.64 AUD
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3001-9989

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Ordered from our supplier. This item is not currently stocked at our store. Contact us to check the expected lead time before ordering. Dispatch depends on supplier availability.

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Returns & exchanges90 days for eligible unopened items

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Exclusions include items marked Special Order, gases and cylinders, hazardous materials, chemicals, and custom or cut-to-length items. See the full policy for all exclusions.

Full returns policy & exclusions

Warranty & supportProduct-specific warranty & support

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Product information

Details

Bulgin DGU Medium Flow Flashback Arrestors — Torch End are available in the gas-specific configurations below. Select the correct fuel-gas or oxygen model and matching connection for the stated installation position.

Every flashback arrestor is 100% function tested prior to leaving the factory. All assembled devices are tested with a flashback test, a leak test and a gas non-return valve test. This rigorous quality assurance process provides complete confidence in product performance, safety, and compliance.

NV – Gas Non-Return Valve

Prevents reverse gas flow and the formation of dangerous mixed-gas conditions within the system.

FA – Flame Arrestor

Extinguishes flashbacks before they can propagate upstream, protecting regulators, hoses, and gas supply equipment.

DF – Dust Filter

Protects critical internal safety components from contamination, maintaining long-term performance and reliability.

Welding

Suitable for material thicknesses up to 30 mm.

Cutting

Suitable for cutting applications up to 200 mm.

Heating

Suitable for heating applications up to 30 mm.

Features and applications

  • Prevents dangerous reverse gas flow
  • Stops flashbacks before they can travel upstream
  • Protects internal safety components from contamination
  • 100% factory function tested and flame tested
  • Suitable for demanding industrial environments
  • Complies with EN ISO 5175-1 and AS 4603

Shared specifications

Specification Details
Installation Position Torch End
Operating Temperature -20°C to +60°C
Cracking Pressure 50–70 mbar
Construction Material Brass body with stainless steel spring components
Standards AS 4603, EN ISO 5175-1
Country of Manufacture Germany
Testing 100% Function Tested & Flame Tested

Available variants

SKU Gas service Model Gas Service Inlet Connection Outlet Connection Maximum Working Pressure
3001-9989 Fuel gas — LH DGU-F Fuel 5/8"-18 UNF LH Male 5/8"-18 UNF LH Female Acetylene 150 KPa (1.5 bar) Hydrogen 250 KPa (2.5 bar) LPG, Methane 500 KPa (5.0 bar)
3001-9990 Oxygen — RH DGU-O Oxygen 5/8"-18 UNF RH Male 5/8"-18 UNF RH Female 2500 kPa (25 bar)