Crane Hydraulic Lock

Two-way hydraulic lock is made up of two hydraulically controlled check valves and used together. It is usually used in the oil circuit of load-bearing hydraulic cylinder or motor to prevent the hydraulic cylinder or motor from sliding down by itself under the action of heavy objects. When it is necessary to operate, oil must be supplied to the other circuit. The check valve is opened through the internal control oil circuit to connect the oil circuit so that the hydraulic cylinder or motor can operate.It is composed of two hydraulically controlled check valves and has good locking performance.Applicable to QY12-QY70