◆ hollow plunger is designed both for tension, but also can be used to thrust
◆ For more than 20 tons of models, the use of nickel-plated movable central tube, increases product life
◆ outer thread makes convenient fixed
◆ single acting, spring retraction
◆ paint type surface corrosion-resistant

  Double-acting hydraulic jacks · RRH series of hollow

◆ relief valve to protect the fuel tank from damage during overload

◆ outer thread easier to install

◆ nickel-plated surface, floating center tube extended product life

◆ hollow plunger to allow double-acting thrust and pulling force

◆ All models include quick connector with dust cap

◆ dust ring to reduce pollution, to extend the life of the hydraulic cylinder

◆ paint type surface corrosion-resistant