FIELD: lifting mechanical engineering. SUBSTANCE: inside the housing of the brake hydraulic valve are piston, throttling slide valve with a trancated conical member, and check valve that are interconnected through passageways for forward and back flow of fluid. The throttle is mounted inside the passageway for back flow. The smaller base of the trancated conical member faces the piston. The larger base is in the flow of fluid in the passageway for back flow. EFFECT: enhanced reliability. 1 dwg
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