XDG (B) type series electrohydraulic push rod reciprocating linear motion is the device drivers, ... apply to need to reciprocating XDG (B) type electrohydraulic push rod is a motor for power source, through two- ... hydraulic oil set limit to of increased, the relief valve quickly and accurately overflow, achieve overload protection, protect the ... 4-11KW50-25005-40 XDG (B) series electrohydraulic push rod