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Hydraulic Bottle Jack

  • Hydraulic Bottle Jack

    Hydraulic Bottle Jack

    Product Detail The working principle of the hydraulic jack is that the wrench drives the small piston upward. The oil in the oil tank is sucked into the lower part of the small piston through the oil pipe and one-way valve. When the wrench is pressed downward, the small piston is blocked by the one-way valve. The oil in the lower part of the small piston is pressed into the lower part of the large piston through the internal oil circuit and one-way valve, and the lower part of the small pisto...