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Shanghai Shinjp Pump & Valves Co.,Ltd.
5A Floor , No 789 , Wanhangdu Road, Jingan District, Shanghai, Shanghai, China
Memberships : NA
Industry : Steel/Iron
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Since Jun, 2020
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A46Y PILOT OPERATED SAFETY VALVE (POSV), Material WCB / CF8 (SS304) / CF8M (SS316)

BRIFE INTRODUCTION

Pilot operated Safety valves (POSV) are used for emergency relief during overpressure events (e.g. a tank gets too hot and the expanding fluid increases the pressure to dangerous levels). The distinction between POSV and conventional safety valve is that pilot valves use system pressure to seal the valve. A conventional safety valve typically uses a spring to hold the disc or piston on seat. The essential parts of a POSV are a pilot valve (or control pilot), a main valve, a pitot tube, the dome, a disc or piston, and a seat. The volume above the piston is called the dome.

POSV are also called PORV (Pilot Operated Relief Valve), POPRV (Pilot Operated Pressure Relief Valve), or POSRV (Pilot Operated Safety Relief Valve), depending on the manufacturer and the application. Technically POPRV is the most generic term, but PORV is often used generically (as in this article) even though it should refer to valves in liquid service.

Item CategoryRail Scraps/Ship Breaking
Date PostedJune 22, 2020
Offer ValiditySeptember 20, 2020
PriceN/S
Price TermsN/S
QuantityN/S
PaymentN/S
ShippingN/S
AddressN/S
CityN/S
RegionShanghai
CountryChina
Supplier Details
Company NameShanghai Shinjp Pump & Valves Co.,Ltd.
Business CategorySteel/Iron
Address5A Floor , No 789 , Wanhangdu Road, Jingan District, Shanghai
Shanghai
China
ZIP: 200333
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