Oxygen G3/4
Network flashback arrester “DONMET” 955 is designed for protecting gas-mains against flashbacks as well as against penetration of oxygen and air from the demand side. The flashback arrester is installed to the gas station at the spot of conducting gas-flame works.
Types of flashback arresters according to the used gas fuel:
– flashback arrester for oxygen “DONMET” 955 КОК;
– flashback arrester for gas fuel “DONMET” 955 КОG.
The flashback arrester is designed for operation at ambient temperature from 15°С below zero up to 35°С above zero.
Designation |
Working medium |
Minimum working pressure, kgf/сm2 |
Maximum working pressure, kgf/сm2 |
Relative pressure difference ΔР% |
Nominal capacity, m3/h |
Attachment thread |
Maximum diameter and length, mm |
Weight, kg |
955.000.02 |
Oxygen |
0,03 |
16,0 |
15 |
120 |
G3/4 |
35х108 |
1.0 |
955.000.03 |
Propane, methane and their substitutes. |
3,0 for P, М |
15 |
30 for P, М |