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Butterfly Check Valves

These butterfly check valves will be installed on a domestic water pipeline. These particular valves have just passed IRWD inspection and are now ready for installation. Note: This is technically not a "check" valve because these type of valves work by being closed and opened manually. Real "check" valves have spring-loaded swing arms that close automatically, so there is no need to close them manually. These are really just butterfly valves.

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