High-speed Hollow Rotating Hydraulic Cylinder
(with built-in check valve)

Hollow cylinder with built-in high-speed check valve
Prevents sudden pressure drop in case of power failure
High-speed rotation and lightweight
The through-diameter of the center of the piston is larger than that of the general type
Applicable to a wider range of bar materials
Used by attaching various options to the rear of the cylinder
(Coolant Collector, Proximity Sensor, Rotary Union, etc.)