The emergency vent manhole is a rapid pressure relief device. Its technical performance and main component materials are the same as those of the breathing manhole.
Main Technical Parameters
Shell material
Carbon steel, stainless steel
Sealing material
Oil-resistant asbestos, polytetrafluoroethylene
Environmental temperature (°C)
-40~+60
Operating pressure (MPa)
+1961Pa +200mmH2O
Model
TXFK-R-1
TXFK-R-2
TXFK-R-3
TXFK-R-4
TXFK-R-5
DN
450
500
600
700
750
H
370
380
480
540
Φ
608
658
808
908
955