Safety device with multiple function: DGNDK

Model DGNDK for mounting on cylinder pressure reducers and tapping points

The DGNDK safety device according to EN 730-1, ISO 5175/ ISO 7289:

- 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 by means of an integrated thermal afterflow valve before the ignition temperature is reached (TV)

- stops the gas flow when disengaging by means of a gas barrier (SV)

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

- each safety device is 100% tested