Rotating blowout preventer with independent cooling circuits...
Rotating blowout preventer with independent cooling circuits...
Rotating check valve for compression equipment
Rotating gate valve
Rotating regulating device
Rotation speed regulating mechanism for pneumatic tools
Rotation switching mechanism in rotary type switching valve
Rotational angle sensors and throttle devices
Rotational control device
Rotational speed adjustment mechanism of a pneumatic tool
Rotor valve and seal