Auto Self Closing Valve

Pump discharge butterfly and stop Check Valve, essentially a resilient seated, double eccentric butterfly valve with a large counter weight & lever to assist closure on pump trip,a double acting hydraulic cylinder operated by a hydraulic power pack comprising a servo pump, oil receiver, solenoid operated poppet valves, throttle valves, Pressure switch, direction control valves, limit switches and a host of other items(Custom built)besides, a PLC based field adjustable, SCADA compatible control system with adequate means of safety. Besides pump flow regulation, in the event of Pump trip, the valve can close within 5-10 seconds (first-90%) and the remainder within 20-60 seconds, following transients, timing locally adjustable.