CHECK VALVE

API 602

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API 602 Check Valve Standard

Forged Steel Check Valve
API 602

This international standard specifies the requirements for a series of compact steel gate, globe and check valves for petroleum and natural gas industry applications. Check valves, also known as nonreturn valves, are automatic valves which open with forward flow and close against reverse flow.

Check valves are unique in that they do not require an outside power supply or a signal to operate, and therefore they can be used in lines to feed a secondary system in which the pressure can rise above that of the primary system, and shutoff with speed or gradualness, depending on the specific design of the valve.

Check Valve Pressure Rating

• Check Valve API 602 Class 150
• Check Valve API 602 Class 300
• Check Valve API 602 Class 600
• Check Valve API 602 Class 800
• Check Valve API 602 Class 1500

Check Valve API 602 Features

• Standard trim is stellite faced seat integral to the body and 13% chrome disc/ball.
• Seat faces lapped for smooth finish and superior sealing.
• Wall thickness per heavy wall API 602 requirements.
• Check valve are suitable for service in horizontal line with cap vertical.
• Piston Check Valve, Swing Check Valve and Y-Patttern Piston Check Valve