Product details : GISS 633677 SECURGISS FLAME DAMPER TYPE HOSE/HOSE MOUNT GAS OXYGEN
Fits as well on the pipe in 6.3 x 12 as on 10 x 17 pipe, without altering performance.
. Composed of a sintered metal filter that stifles the flame and prevents it from passing through the device. Standard: EN ISO 730 Class 1
Strengths
Composed of a very sensitive valve to stop any gas return.