Acetylene, Propane, Methane G3/4
Flashback arrestor “DONMET” 955 is designed for protecting gas pipelines and tapping points against flashbacks as well as against penetration of oxygen and air from the demand side. The flashback arrestor is installed to the gas station at the spot of conducting gas-flame works.
Types of flashback arrestors according to the used gas fuel:
– flashback arrestor for oxygen “DONMET” 955 КОК;
– flashback arrestor for gas fuel “DONMET” 955 КОG.
The flashback arrestor is designed for operation at ambient temperature from 15°С below zero up to 35°С above zero.
| Designation | Working medium | Minimum working pressure, bar | Maximum working pressure,
bar |
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 |


