The flame arrester is suitable for storing the flash point below 28 DEG C A and B oil oil flash point below 28 DEG C, is also applicable to material storage vault tank cap with nitrogen, ZHQ and net type arrester principle used in the pipeline ibid.
With the breathing valve, breathing manhole supporting the use, also can be used separately.
(1) the explosion resistance is qualified, the fire can be stopped for 13 consecutive tests.
Fire resistance qualified, fire resistance, 1 hour without tempering.