PSV Parts Direct - UK Nationwide Delivery. Auto Electrical parts for Bus, Coach, Truck and HGV.

Relief valves are basically a type of spring-loaded pressure relief valve actuated by static pressure upstream of valve and characterized by gradual opening or closing, generally proportional to the increase and decrease in pressure. It is normally used for incompressible fluid (liquids).

PSV Transport Systems is a leading parts and service provider to the Bus and Coach industry. PSV supply Bus and Coach parts for all makes and models. Our product range covers electrical, electronic, mechanical and pneumatic applications.

Oct 5, 2019 · Bus Part & Coach part supplier for over 30 years. Supplying original equipment to the PSV industry with a wide range of brands around the world.

We have brand new OEM spare parts for the following valves (among others), on the shelf and ready to go. Detailed diagrams of in-stock spare part model numbers

Pressure relief valve with single trim for liquid, gas and steam service. Precision lapped flat metal to metal seats or elastomer and TFE O-ring soft seats provide the ultimate in seat tightness. Blowdown is typically less than 20%. Capacities certified by National Board of Boiler and Pressure Vessel Inspectors. Ask for Catalog No. 902 ...

We are committed to providing our customers with a comprehensive source for all their part requirements. We stock a comprehensive range from chassis parts, engine parts, exterior panels & bumpers to interior fittings & trim.

We are committed to providing our customers with a comprehensive source for all their part requirements. We stock a comprehensive range from chassis parts, engine parts, exterior panels & bumpers to interior fittings & trim.

Give us a call today with the valve replacement parts you need. NASVI has a substantial inventory of original valve manufacturers’ parts, including springs, discs, gaskets, bellows, nozzles, and guides.

We stock a wide range of both bus & coach (PSV) parts. Covering most major vehicle manufactures such as Alexander Dennis (ADL), Bova, Irisbus, MCW, Mercedes, Neoplan, Optare, Vanhool, VDL, Wrightbus.