Low -speed damped control recovers valve

The utility model discloses a low -speed damped control recovers valve, including connecting rod sub -unit, one piece piston, still include back -up washer sub -unit, composite piston and back -up washer, the direction subassembly that is equipped with on the connecting rod sub -unit, the connecting rod sub -unit is close to the one end of buffer block and passes back -up washer sub -unit, one piece piston, composite piston and back -up washer in proper order, the back -up washer outside be equipped with with a connecting rod sub -unit end screw thread connection recover the valve nut, be equipped with valve block group between composite piston and the back -up washer. Adopt above -mentioned technical scheme, through setting up back -up washer sub -unit and back -up washer respectively at one piece piston and composite piston both sides to play fine guard action to one piece piston, composite piston and valve block group, the structure is simpler, and the structure is more stable, in addition, the direction s