• Bulgin® Flashback Arrestor Fuel Gas Standard Flow (DKSG-D1-F) Q/A Coupler Torch End - 5/8"-18 UNF LH — 3001-9995
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Bulgin

Bulgin DKSG-D1 Standard Flow Flashback Arrestors — Torch End Quick-Action

Bulgin DKSG-D1 Standard Flow Flashback Arrestors — Torch End Quick-Action

$91.52 AUD
$91.52 AUD
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3001-9995

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Returns & exchanges90 days for eligible unopened items

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Warranty & supportProduct-specific warranty & support

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Product information

Details

Bulgin DKSG-D1 Standard Flow Flashback Arrestors — Torch End Quick-Action 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.

SV – Shut-off valve

Provides safe interruption of gas flow by automatic gas cut-off when disconnecting.

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
Outlet Connection Quick Action Coupler and D1 Pin
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 Maximum Working Pressure
3001-9995 Fuel gas — LH DKSG-D1-F Fuel 5/8"-18 UNF LH Male Acetylene 150 KPa (1.5 bar) Hydrogen 350 KPa (3.5 bar) LPG, Methane 400 KPa (4.0 bar)
3001-9996 Oxygen — RH DKSG-D1-O Oxygen 5/8"-18 UNF RH Male 2000 kPa (20 bar)