Pressure/Vacuum Relief Valve (PV Valve) · PV Valves & Vent Systems
High Velocity Pressure Valves are a critical component of marine equipment. Manufactured by Scanjet Marine & Systems AB, this model is noted for its rigorous DNV approval and detailed specifications. Common failures include wear on loading pumps due to abrasive cargo, undetectable leakage in loading line valves, calibration drift in inert gas system O2 analyzers, and erosion of tank cleaning nozzles. For maintenance, annual tests should be conducted on pump performance and valve sealing integrity, with documentation required in the MARPOL Oil Record Book. Spare parts are supplied by Scanjet Marine & Systems AB; ordering may take 3-8 weeks, so it's advisable to keep seals and valve inserts readily available onboard.
What our service work and the manufacturer documentation say about keeping this model running.
Cargo pump performance test annually. Valve tightness test annually. MARPOL Oil Record Book documentation.
Scanjet Marine & Systems AB: Spare parts through the manufacturer. Lead time: 3-8 weeks. Keep seals and valve inserts on board.
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