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True Union Ball Valve
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Hayward’s True Union Ball Valves have been designed to be easy to service and repair. The valve can be overhauled without disconnecting the system piping connections.
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Removing the Valve Body
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To remove the valve body simply unscrew the two assembly nuts.
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Ready for Disassembly..
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The valve body lifts out…ready for disassembly. The system piping connections are not disturbed. Inspect the two end connector o-rings on the valve body for damage as well as the sealing surface of the end connectors.
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Valve Seal Removal
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The valve seal retainer can be removed with a spanner wrench, a seal retainer tool available from Hayward or, more commonly, by using screwdrivers to turn the retainer out of the valve body as shown here.
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Inspect Seal
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Inspect the seal retainer o-ring for damage.
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Removing Ball
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The ball can now be removed. Inspect for damage.
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Removing Valve Handle
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Next remove the valve handle, it’s a compression fit on the valve stem. A plastic mallet can be used…..or……..
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Closed Position
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The valve can be put in the closed position and the handle gently tapped on the end of a work bench.
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Pushing Down on Stem
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Pushing down on the stem forces it into the body…..
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Removal
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Where it can be removed.
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Inspection
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Inspect the two stem o-rings for damage.
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Removing seals
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Remove one of the two PTFE seats from the seal retainer.
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Removing Seals
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The other PTFE seat is removed from inside the valve body.
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Replacing Seats
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Inspect the seats for damage. While the valve is disassembled it’s always good practice to replace the seats and all o-rings no matter what their condition.
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Finishing Up..
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That’s all there is to it. Reverse the procedure to re-assemble the valve and put it back into service.
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