Diaphragm valve WW-710-20

electrichydraulically-operatedregulating

The Model 710-20 Solenoid Controlled Valve with Check Feature is a hydraulically operated, diaphragm actuated control valve that either opens fully or shuts off in response to electric signals. The check feature prevents reverse flow through the valve. Product features & benefits •Line pressure driven oIndependent operation oNo motor required oLong term drip tight sealing •Solenoid controlled oLow power consumption oLow cost wiring oWide ranges of pressures and voltages oNormally Open, Normally Closed, or Last Position •Check feature oCost effective pumping oZonal return flow prevention oReplacing line sized check valve •In-line serviceable – Easy maintenance •Double chamber oNon-slam closing characteristic oProtected diaphragm •Flexible design – Easy addition of features TYPICAL PRODUCT APPLICATIONS Typical Applications Automatic Refreshing of Reservoirs This valve is installed as a short cut between the reservoir supply line and the pump discharge line to the distribution system. The Model 710-20 presents three major advantages: Saving energy and expensive pumping hours when supply pressure is sufficient Enabling automatic refreshing of water in the reservoir Ensuring uninterrupted supply during reservoir maintenance