Product use 300 x slow close check valve can control opening and closing speed of check Industrial Valves, the water pump to start or stop running, can adjust to cooperate with the best opening or closing speed. Can be used in the high-rise building, reduce the water hammer phenomenon, in order to achieve safe and quiet open-close effect. 00 x slow close check valve product reference pressure rating: PN10, PN16, PN25 diaphragm type: 3/4 '~ 50 piston: DN350 ~ 50 this keyword search: the yongjia county nott pump valve co. , LTD. The check valve supply information
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