Model DG91N for safeguarding single cylinders and tapping points

The safety device DG91N according to EN 730-1, ISO 5175:

- prevents dangerous gas mixture formation by means of a gas non-return valve (NV)

- stops flashbacks by means of a flame arrester (FA)

- interrupts the gas flow before reaching the ignition temperature by means of an integrated thermal afterflow valve (TV)

- a dirt filter protects the gas non-return valve from contamination

- each safety device is 100% tested