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swaziland Pressure relief manhole
The manhole is a safety emergency ventilation device installed on the top of the storage tank, usually used with fireproof and mechanical breathing valve
Category:
swazilandManhole
Product Description
The manhole is a safety emergency ventilation device installed on the top of the storage tank, usually used with fireproof and mechanical breathing valve, which can avoid accidents caused by sudden overpressure or vacuum in the tank and damage the storage tank, and play a safe fire resistance role, is a safety device to protect the storage tank, especially suitable for storage materials with nitrogen capped vault atmospheric tank. It has the advantages of constant pressure discharge, constant pressure suction, flexible opening and closing, safe fire resistance, compact structure, good sealing performance, etc.
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