Damper Drives Motor Actuators Type K Damper Drives Complete Line of Pneumatic Drives; 90 to 10,000 ft.lb. torque Complete Retrofit Capabilities of existing Floor Mount and Direct Mount Drives Highly Reliable design ensures Long Life with minimal maintenance * See our drive retrofit examples. Yokogawa Y-Series Motor Actuators Low and medium torque models From 25 in.lb. to 150 in.lb. Low Maintenance: Sealed Aluminum Case, Rugged Steel Gear Train, Permanent Synthetic Oil