Flashback Arrestors

Key Features: 

• Safety devices for single cylinders, tapping points and distribution lines.

• Conforms to EN730-1 ISO/5175

• Stops flashback through flame arrestor 

• Avoids dangerous gas mixtures by a gas non-return valve. 

Flashback Arrestors

Non-reset DGN Flashback Arrestor

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Fuel Gas - No.HL070302

Oxygen - No.HL070301

Overview

• Gas safety devices for single cylinders, tapping points and distribution lines according to EN 730-1 / ISO 5175

• Regulator mounted safety devices. 

Resettable DS2000 Flashback Arrestor

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Fuel Gas - No.HL070312

Oxygen - No.HL070311

Overview

• Gas non-return valve (check valve) prevents dangerous gas mixtures. 

• Resettable pressure-sensitive gas cut-of system gas flow. 

High Flow DG91N 3/8 Flashback Arrestor

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Fuel Gas - No.HL070318

Oxygen - No.HL070317

Overview 

• A temperature-sensitive cut-off valve stops the gas flow when a predetermined temperature is exceeded (TV)

• Stops flashback through flame arrestor.

 

High Flow DG91N 1/2 Flashback Arrestor

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Fuel Gas - No.HL070324

Oxygen - No.HL070323

Overview

• Safety features of a flame barrier, gas non-return valve and a thermal shut-off valve. 

• A dust filter protects the gas non-return valve against contamination.

DG91N UA Flashback Arrestor

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Fuel Gas - No.HL070320

Oxygen - No.HL070319

Overview

•Torch or point of use flashback arrestor

• Avoids dangerous gas mixtures by a gos non-return valve. 

GG 3/8 Flashback Arrestor

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Fuel Gas - No.HL070370

Oxygen - No.HL070371

Overview

• Type GG for torch side protection according DIN EN ISO 5175-1.

• Every safety device is 100% tested.


TT (6mm) Flashback Arrestor

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Fuel Gas - No.HL070366

Oxygen - No.HL070365

Overview 

• Type TT for in-hose installation according to DIN EN ISO 5175-1

• Stops flashback through flame arrestor.

GT 3/8 Flashback Arrestor

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Fuel Gas - No.HL070359

Oxygen - No.HL070360

Overview

• A dust filter protects the gas non-return valve against contamination.

• Type GT for torch side protection.

Quick Release Fittings

Key Features: 

• Assist and avoiding the mix-up of the product for the different gas types.

• Worldwide Compatible coupling system, type DKG for in-hose or torch side connection.

• Type DKG-W for in-hose or torch side connection.

Quick Release Fittings

D2 Coupling Pin 9mm

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Fuel Gas No.HL069-0403  

Oxygen No.HL069-0407 

D1 Coupling Pin 3/8

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 Fuel Gas No.HL0069-4002   

Oxygen No.HL0069-4007 



D4 Coupling Pin 3/8

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Fuel Gas No.HL0069-0281  

Oxygen No.HL0069-4212 

DKD Coupling 3/8

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Fuel Gas- No.HL3000-0635

Oxygen - No.HL3000-0636

DKG Coupling 3/8

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Fuel Gas- No.HL3000-0199

Oxygen- No.HL300-0637

DKG-W Coupling 3/8

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Fuel Gas - No.HL3001-8423

Oxygen - No.HL3001-8474