Emergency Vent Manhole - Breathing Valve - Hi-sea

Emergency Vent Manhole

Emergency Vent Manhole


Production Description:

Emergency venting manhole is a safe emergency ventilation device, usually used with fire retardant breathing valves. It has the good features of constant pressure discharge, flexible opening and closing, compact structure, low temperature resistance, antifreeze and good sealing performance.

Parameters:

Model

HXF - R

Size

DN450-750

PN:0.6-2.5

Body Materials

CS 304 316 316L

Gide Rod

 304 316 316L

Bolt/Nut

CS 304 316 316L

Gasket Seal

Graphite/Metal/PTFE

Positive Valve Plate

+180mmH2O~+1000mmH2O

Vacuum Pressure

 /

Pressure Group

 B C D

Ambient temperature

CS:-30~+350

SS-80~+350

 

Joint Type

Flange; Thread

Flange standard

JIS, HG,GB,ANSI,...




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