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ZXDAOrder Code:ZXDAAW20S Price:480$ Weight: 150 Kg Model Set: SR200 (AW20S) Spring return MIN Spring torque:1190N.m For control of Large size ball valve (Upto 56"),butterfly valve (upto 96")actuation . 1. Body Assembly: Heavy duty modular type body allows every actuator to be made spring return or double acting. 2. Scotch-Yoke: A balanced scotch-yoke mechanism provides optimum torque output and maintenance simplicity by transforming the linear travel of the piston into a 90 degree rotating movement. 3. Thrust Pin & Roller: A thrust pin is secured to the piston rod and rollers are placed over the pin to allow free movement within the slot of the torque plug. 4. Torque Plug Seal: O-rings are located both top and bottom preventing environments from entering the body housing. 5. Yoke Bearings: Located on both top and bottom of the scotch-yoke, these polyethylene replaceable bearings allow the actuator to cycle more than any actuator in its class and aid in applications where the actuators are left in one position for years. ZXDA pneumatic or hydraulic model valve actuator Accessory : Quick exhuast valve (For shut off valve),Positoner ,Solenoid valve (For eletric remote ocntrol).Stainless steel tube , Isolation valve . Manual oil pump . Please call and contact us for more.