Silo Protection Silo Pressure Relief Valve (PRV)

Silo Pressure Relief Valve (PRV)

PRV 350 is designed to protect silos from over pressurisation (vacuum) encountered during powder filling and emptying. Capable of venting 13000m³/hour in an over pressure situation and 5000m³/hour under vacuum, the valve has been fully tested and certified under controlled conditions witnessed by the HSE.

Available in a number of different materials and gasket combinations.
Range of up-stands and adaptors, including a hinged version for ease of maintenance, is available for new or retrofit applications.


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