Air actuated hydraulic pump

   
   

A hydraulic pump is equipped with an air motor, which is disposed in a housing and oil reservoir of the hydraulic pump, connected to an air source, and has a piston movable in a tube so that pressured air from the air source can cause reciprocation the a piston to pump hydraulic oil to other equipments such as a jack. The air actuated hydraulic pump is equipped with a pilot operated guided poppet valve comprised of several parts in separable connection, and a muffler so that the user doesn't have to replace the whole piston with a new one if only one of the parts is damaged, and that noise can be reduced when the pump is working.

 
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