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Swing Check Valve

Swing Check Valve

Sanco Swing check valves are used to prevent flow reversal in piping systems. They are suitable for service in horizontal or vertical (flow up through valve only) piping runs. This type of valve is used to prevent flow reversal in the piping system. It is best suited for service in horizontal or vertical piping. This type of valve has low pressure drop and hence is best suited for medium velocity applications. This type of valve should be avoided in systems with rapid and frequent flow reversals and in systems with calm or rich flow.

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Ratings

Sanco Valves must only be used in operating conditions within the appropriate ANSI pressure-temperature ratings for valve class rating and body/bonnet material (see Technical Data section).

Temperature Limitations

Sanco Valves Only use valves within the temperature limitations of their construction. Temperature limitations of body/bonnet materials, trim, bolting, packing and gaskets must all be considered. Special construction for extended service temperatures are available on application.

Material And Service

Sanco Cast steel bolted bonnet valves are available in a variety of body/bonnet materials and trims. General service recommendations for body/bonnet materials appear on page 32 and for trims on page 33. Specified materials should be compatible with the service.

Material Details

Swing Check Valve – 150 Class

Standard joint is a circular male and female configuration with a corrugated metal gasket. The male and female joint confines the gasket O.D and I.D. When specified, gaskets of other materials are available as an option.

Swing Check Valve – 300 Class

The circular male and female bonnet joint is self-aligning and encapsulates the gasket. Our standard gasket is double jacketed metal. Valves in these classes are also available with spiral wound or ring joint gaskets when specified.