The ReoSHOC double action adjustable SCD series hydraulic Speed controls the speed of linear and rotating load throughout the entire movement. When subjected to impact forces in both tension and compressive directions, The SCD series adjustable knob allows for flexible control of movement speed. Rotate the adjustable knob to scale 8 to reach the maximum damping value, and rotate to scale 0 to generate the minimum damping force. The replaceable threaded fixed orifice sleeve can generate continuous and stable damping to meet special application requirements.