Integrated device is suppressed to main steam isolation valve air powered pump and relief valve off -line

The utility model relates to an integrated device is suppressed to main steam isolation valve air powered pump and relief valve off -line, the device divide into pressure empty subassembly, circuit component and the accumulator group spare three of air powered pump, the empty subassembly of pressure, including isolating valve A and voltage -controlled trigeminy piece, oil tank assembly, for the air powered pump provides the hydraulic pressure oil medium of action, including oil tank, vent valve, temperature level gauge, air cleaner, return oil filter, experiment pump, rubber tube, check valve,isolating valve B, experiment relief valve, pressure release hose, oil head table, system's overflow valve and magenetic exchange valve, accumulator group spare, including energy storage ware and pressure release emission valves, the device thoroughly realizes suppressing work under the line of main steam isolation valve air powered pump, can practice thrift that the main steam isolation valve ofnuclear power plant is sp