heavy hammer type hydraulic control butterfly valve

This valve electrical control system according to the main logic element class is divided into regular and PLC intelligent control, the factory necessary for normal commonly, need to type PLC intelligent control to when ordering. Each type and the following several main conditions:
Open valve working condition of centrifugal pump, including centrifugal mixed flow pump, start the pump and delay after the scheduled time open valve, or valve opened at the same time.
Centrifugal pump shut valve: the valve closed to a certain point of view, and then stop the pump. Or the pump valve with clearance.
Open valve working condition of axial flow pump, including axial mixed flow pump, pump valve at the same time open, or open the valve to a certain point of view, first to start the pump again.
heavy hammer type hydraulic control butterfly valve