Triad check valve installed in general building, apartments and factories of water supply and drainage, water treatment, changes in temperature and boiler condensate, the secondary water supply pipeline pump discharge, to prevent pump shut down caused by reversal of medium in the pipe.
1, with a valve, can be successfully completed three functions: no water hammer check valves, gate valves, balance valves.
2, when the pump stop, first close the disc spring force, thus preventing the water hammer.
3, by adjusting the opening, can adjust the output of the pump.
4, equipped with indicator, can confirm the valve opening is in the eyes.
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