... lathe machine for adustment Mathch pump DYB-63AB Double acting hydraulic cylinders allows for both push and pull forces. ... enamel finish for increased corrosion resistance.Available models:RR-10250: rated load 10ton, stroke 250mm, closed ... RR-100200: rated load 100ton, stroke 200mm, closed height 390mm RR-100300: rated load 100ton, stroke 300mm, closed height 490mm hydraulic jacks,hydraulic cylinder ...