Pressure/Vacuum Relief Valve (PV Valve) · PV Valves & Vent Systems
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Other models of the same equipment type, Motherwell Tank Protection first.
What our service work and the manufacturer documentation say about keeping this model running.
Inspect the body, seat, moving elements, screens and drains for corrosion, deposits and free movement. Verify set-point behavior only using the approved test method and calibrated equipment. Opening and closing pressures must not be inferred from the model name unless explicitly stated; refer to the manufacturer documentation for the exact figure.
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