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pneumatic, actuator, control valve,cylinder,pneumatic valve. ZT pneumatic actuator is design on Italy AIR TORQUE the forth new type prototype, We found the production has these advantages. l Impressive reliability l Superb performance l Multiform product l Originality, patent nominal output shaft and multiple acting indicator l Design as per international standard. l Widely using in surface anti-corrupt technical .. l fine appearance, and smooth surface anti-the accumulation stacked brief instructionsZT pneumatic actuator is design on Italy AIR TORQUE the forth new type prototype, all the partials are processed in machining center. Its a new type international standard pneumatic actuator series. A, Two bolts out of cylinder do ±5°adjusting to keep the actuator on/off ,position with the whole open position and whole closed position B. The end covers use high pressure cast Aluminum the surface plated corridor protection one piece body design. All the single action and double action actuator used the same cylinder and cover we can change the action ways by adding/removing springs. C, Combined preload spring design submit to any setting occasion and it will be safer when you remove it D. Stainless steel material be used in all the fasteners E. The connect dimension designed according to international standard: ISO5211-DIN3337 and DI/DE3845,the air supply connect design as per NAMUR standard. F. There is a function position indicator with NAMUR standard groove in the shaft end. Its convenience to setting the signal switch box. The positional position responsive switch and the other fittings are suitable with VDE3845 standard G. Drive shaft: plated nickel, so all the inner and outside can proof-corrosion, the shaft also can anti breakout and the leading bearing integration design ,so it should be more safer, and cater-corner square each installation, the flexibility is good. H. New type Aluminum alloy cylinder, delicate manufacturing, the inner wall and the surface have been hard coat anodize treated, low coefficients of friction long service life. I. Combining piston ring on the piston, the abrasion proof plastic behind the piston, the abrasion proof ring of driving shaft has an extremely low coefficient of friction. J. These two gear symmetry fixed, to keep the out put torque not change. make the giving power balance ,with a greater accuracy.. K. Insider air channel, it neednt use to connect the open pip line. Ordering Information: 1. Product name and model 2. DN 3. Rated flow coefficient KV 4. Nominal pressure and differential pressure 5. Valve and valve components of materials 6. Connection 7. Transmission 8. Flow characteristics 9. Suitable temperature 10. Control signal is a 4-20mA current or 1-5v voltage signal 11. Valve product with attachments so that we can correct for your selection.