Slow drive fast closed check valve including valve seat, valve stem, and connected to the valve body on the cover and lower cover parts, etc. Between the cover and the cover to the diaphragm chamber, the diaphragm chamber with the diaphragm, diaphragm connected to the central axis, center shaft at the other end connection valves, Industrial Valves and valve seat contact. On the water container and cover hole connected water, water control, water container and cover water for throttling connected, on the water container and cover into the water to be one-way. Slow drive fast closing check product figure

slow drive fast closed check valve working principle of the slow drive fast closed check valve installed on the system pipeline or pump outlet, normal operation, pushes the valve set up inlet side medium, medium at the same time through a flow controller into the lumen, open the valve at a high speed, stop running, outlet medium through regulating valve into the cavity, make the drive down to drive the downward movement of large and small disc, fast or slow close the valve, prevent the backflow medium. Slow drive fast closed check valve adjusting way 2, 1, open shutoff valve and pump to observe the valve inlet pressure is normal 3, stop the pump to observe whether water hammer is too large, the pump is inverted 4 excessive, water hammer is appropriate down cut-off valve 5, such as water pump reversal is appropriate on big cut-off Industrial Valves slow drive fast off check valve manufacturer recommendations
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