... drivers, apply to need to reciprocating XDG (B) type electrohydraulic push rod is a motor for power source, through two-way gear ... achieve the reciprocating movement of the piston rod, work process, when the piston rod external force suffered by more than the setting ... -40XDG20000-/4020000150004050Y132M-4-11KW50-25005-40 XDG (B) series electrohydraulic push rod