DY30BX slow drive fast check it includes closed 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, valve 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. DY30BX slow on fast off check product figure

DY30BX slow drive principle of quick closing check Industrial Valves slowly open 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.
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