Pressure/Vacuum Relief Valve (PV Valve) · PV Valves & Vent Systems
Parker Hannifin Marine PV Relief DN450 2000mbar is a pressure/vacuum relief valve (pv valve). It is normally installed or arranged in the cargo-tank vent piping on weather deck. Its purpose is to protect cargo tanks against excessive pressure or vacuum and control vapor discharge. The equipment is based on valve seat, pallet or spring mechanism, weather protection and process connection. The exact model designation distinguishes the installed configuration from neighboring variants in the same category; refer to the manufacturer documentation for the exact figure.
Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.
What our service work and the manufacturer documentation say about keeping this model running.
Inspect process connections, seals, valves, actuators, pumps, sensors, piping and supports applicable to the listed cargo equipment. Maintain material compatibility with the actual cargo and clean deposits before they restrict movement or measurement. Trend pressure, temperature, level, flow or operating response against established normal conditions. Function-test remote controls, alarms, shutdowns and emergency stops before cargo operations. Inspect hazardous-area electrical and bonding arrangements for integrity. Refer to the manufacturer documentation for the exact figure for cargo compatibility, calibration, operating limits and wear criteria.
Keep cargo-compatible seals and gaskets, valve service kits, sensors, cable glands, pump or actuator parts and manufacturer-recommended process components. Replacement materials must match the certified cargo service and hazardous-area approval.
Free of charge — send us your request for Parker Hannifin Marine equipment. Our team checks it and replies by e-mail.
Other models of the same equipment type, Parker Hannifin Marine first.
Tell us what you need for this Parker Hannifin Marine PV Relief DN450 2000mbar — a part, a service call, a second opinion. Are you Parker Hannifin Marine? Claim this brand page.
Service engineer? Write the day report for this PV Relief DN450 2000mbar in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →
Yes. Specifications, documents and service notes for this model are readable without an account. An account adds saved searches and requests, nothing is taken away.
Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.
Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.