Valve Manufacturers and Factories

Home Valve Products Safety Valve

Safety Valve

Safety Valve
Price: US $ 10/Piece
Trade Terms: FOB,CFR,CIF
Min Order: 1/Piece
Pay Type: L/C,T/T
The Pressure Relief Valve is a valve mechanism for the automatic release of a gas from a boiler, Pressure Vessel, or other system when the pressure or temperature exceeds preset limits. It is part of a bigger set named Pressure Safety Valves (PSV) or Pressure Relief Valves (PRV). The other parts of the set are named Relief Valves, safety relief valves, pilot-operated safety relief valves, low pressure safety valves, vacuum pressure safety valves.

Pressure Relief Valves were first used on steam boilers during the industrial revolution. Early boilers without them were prone to accidental Explosion.

Pressure Relief Valves also evolved to protect equipment such as pressure vessel (fired or not) and heat exchangers. Safety valveterm should be limited to compressible fluid application (gas, vapor, steam).

The two general types of protection encountered in industry are thermal protection and flow protection. For liquid-packed vessels, thermal relief valves are generally characterized by the relatively small size of the safety valve necessary to provide protection from excess pressure caused by thermal expansion. In this case a small valve is adequate because most liquids are nearly incompressible, and so a relatively small amount of fluid discharged through the relief valve will produce a substantial reduction in pressure.

Flow protection is characterized by safety valves that are considerably larger than those mounted in thermal protection. They are generally sized for use in situations where significant quantities of gas or high volumes of liquid must be quickly discharged in order to protect the integrity of the vessel or pipeline. This protection can alternatively be achieved by installing a High Integrity Pressure Protection System (HIPPS)

We can offer a broad line of Safety Valves covering Relief Valve (RV), Safety Valve (SV), Safety Relief Valve (SRV), Pilot-operated Safety Relief Valve (POSRV), Low Pressure Safety Valve (LPSV), Vacuum Pressure Safety Valve (VPSV), Low and Vacuum Pressure Safety Valve (LVPSV).
Markets: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
The valves manufactured and sold by Shanghai Datian Valve Pipe Engineering Co., Ltd including self-control valve, manual valve, automatic valve, lining valve and fittings. Self-control valve are regulating valve, electric regulating valve, pneumatic valve, vertical pressure regulating valve, vertical temperature regulating valve, magnetic valve. The manual valves are gate valve, globe valve, ball valve, Butterfly valve, piston valve, plug valve, diaphragm valve and middle valve. Automatic valves are check valve, safety valve, pressure-reducing valve, water isolate valve, air vent valve, balance valve, breather valve, strainer and hydraulic valve. Lining valve are gate valve globe valve, ball valve, butterfly valve, diaphragm valve and lining pipe, elbow, template pipe and flange of all kinds of specification. Furthermore we can manufacture and process the specificial valve upon customer's request.

Send your message to this manufacturer

  • Shanghai Datian Valve Pipe Engineering Co., Ltd.

More >

Other Valve Products with This Manufacturers

About Us Valve Products Valve Manufacturers Hot Valve Valve News Valve Trade Shows Site Partners Contact Us Sitemap