Pressure Relief Manhole

product description

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• The pressure relief manhole is an emergency ventilation device installed on equipment and storage tanks in industries such as petrochemicals. It is usually used in conjunction with the breathing valve installed on the top of the tank to maintain the normal pressure inside the tank and prevent accidents caused by damage to the storage tank due to unexpected reasons. It has the advantages of constant pressure discharge, compact structure, and good sealing performance.

Specification parameters