Butterfly buffer check valve (H47X )
点击： 时间：2017-05-13 08:57:29
| Butterfly buffer check valve (H47X ) | |||||
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| The valve by medium counter-current and heavy hammer back closure, the valve is equipped with damping cylinder, valve closing speed of two stages, which can effectively prevent back water pump and water hammer pressure, set up a heavy hammer, because on the valve shaft in the open position, the butterfly plate properly balance in the each force, make the valve flow resistance is reduced greatly. | |||||