The bidirectional lock consists of two pilot-operated check valves connected in parallel; it is primarily used for the self-locking of hydraulic cylinders, ensuring the equipment maintains a stable state during operation.

The company is a professional enterprise mainly producing coal mine hydraulic support pipeline fittings. Its products mainly include: buckling joint, straight-through, tee, reducing straight-through, reducing tee, Y-shaped tee, T-shaped tee, F-shaped tee, four-way, elbow, intermediate joint, plug, U-shaped pin, unloading handle, liquid injection gun, spherical stop valve, etc.

Mining-grade spherical shut-off valves are primarily used in coal mine hydraulic systems to control the flow and shut-off of hydraulic fluid. Their key applications and functions include

The company is a professional enterprise mainly producing coal mine hydraulic support pipeline fittings. Its products mainly include: buckling joint, straight-through, tee, reducing straight-through, reducing tee, Y-shaped tee, T-shaped tee, F-shaped tee, four-way, elbow, intermediate joint, plug, U-shaped pin, unloading handle, liquid injection gun, spherical stop valve, etc.

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