Hi-Lo Non-reset DGN flashback arrestor is a gas safety device for single cylinders, tapping points and distribution lines according to EN 730-1 / ISO 5175. The DGN flashback avoids dangerous gas mixtures by a gas non-return valve.


The Hi-Lo Non-rest DGN has been designed with a dust filter protects the gas non-return valve against contamination. The safety devices are to be tested by a qualified and authorised person at regular intervals according to specific regulations.


Product Numbers: 

Oxygen - HL070301
Fuel Gas - HL070302

DGN Non-Rest Flashback Arrestor

Gas Type