DG91N 1/2 high flow flashback arrestor is a Hi-Lo UK branded safety device for single cylinders, tapping points and distribution lines. Conforms to EN730-1 ISO /5175. A safety device that stops flashback through flame arrestor and avoids dangerous gas mixtures by a gas non-return valve. 
 
Key Features: 
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.