Double-acting piping principle

Double-acting output torque http://www.hes-valve.com/images/img_122.gif · Double-acting output torque Model specifications Air supply pressure (Mpa) 0.3 0.4 0.5 0.6 0.7 AW13 5156 2077 0930 1080 AW17 950 1270 1590 1910 2230 AW20 2150 2870 3580 4300 5020 AW25 3360 4480 5600 6720 7850 AW28 5150 6860 8580 1030 0120 20 AW35 1012 0135 00168 7020 2502 3620 AW40 1322 0176 30220 40264 5030860 AW50 2246 0299 50374 40449 3052420 AW60 4730 0630 70788 40946 10110 380 .......................................................................................... · Single-acting output torque Model specifications Spring torque Air supply pressure (Mpa) 0.4 0.5 0.6 Minimum Maximum Minimum Maximum Minimum Maximum Minimum Maximum AW13S 230 430 185 340 340 545 490 700 AW17S 330 670 600 930 920 1290 1230 1573 AW20S 1190 1980 880 1670 1600 2390 2320 3110 AW25S 1600 2510 1970 2880 3090 4000 4210 5120 AW28S 2900 5610 1250 3960 2970 5685 4680 7400 AW35S 5520 10740 2760 7970 6130 11340 9510 14720 AW40S 8770 16140 1480 8860 5900 13260 10300 17670 AW50S 13110 27490 6370 20750 14840 29220 23310 37700

Overview, standard parameters: http://www.hes-valve.com/images/img_117.gif http://www.hes-valve.com/images/img_119.jpg http://www.hes-valve.com/images/img_118.jpg. Double-acting and single-acting types.......................................................................................... ·Overview: AW pneumatic actuators are available in double-acting and single-acting (spring-return) versions; they consist of two separate cylinders, which makes it easy to manufacture cylinders of large sizes. These actuators offer high torque and smooth, precise operation； The inner wall of the cylinder and the piston shaft are coated with hard chromium, providing excellent wear resistance ； Oil-free lubricated shafts and guide rings are provided between all moving parts to reduce the friction coefficient and extend service life; the U-shaped characteristic torque output of the AW pneumatic actuator makes it more suitable for large-diameter ball valves and butterfly valves. ·Standard parameters: Basic design – pneumatic dual-cylinder dual-piston fork-type transmission mechanism ； Model AWxx = double-acting ； Model AWxxS = single-acting (spring-return). Double-acting rotation angle = 90℃ ； Single-acting = 90℃ ； The angle is adjustable from -5° to +5° at both ends. Operating ambient temperature: -20°C to 90°C. Gas source pressure: 0.2 to 0.8 Mpa (maximum 1.0 Mpa). ·Model numbering http://www.hes-valve.com/images/img_120.gif

Disassembly diagram of AW pneumatic actuator: http://www.hes-valve.com/images/img_125.gif http://www.hes-valve.com/images/img_131.gif · Parts list: Serial number, Name, Quantity; Serial number, Name, Quantity; Serial number, Name, Quantity; Serial number, Name, Quantity. 1. Housing – 1; 11. Pin – 1; 21. Elastic retaining ring – 1; 31. Lock nut – 2; 2. Fork – 1; 12. Roller sleeve – 2; 22. Anti-friction washer – 1; 32. Flat washer – 2; 3. Rotating shaft – 1; 13. Elastic retaining ring – 2; 23. O-ring – 1; 33. O-ring – 2; 4. Partition – 2; 14. Oil-free bearing – 2; 24. O-ring – 1; 34. Adjusting screw – 2; 5. Piston – 1; 15. O-ring – 2; 35. Nut – 8; 6. Cylinder body 2/3 – 16. Guide ring – 2; 26. Elastic retaining ring – 1; 36. Elastic washer – 8; 7. Cylinder head – 2; 17. O-ring – 2; 27. Flat key – 1; 37. Flat washer – 8; 8. Piston rod – 1; 18. O-ring – 2; 28. O-ring – 2; 38. Double-headed bolt – 8; 9. Spring 1/2/4 – 19. O-ring – 2; 29. Positioning pin – 2; 10. Spring cylinder – 1; 20. Lock nut – 2; 30. Set screw – 1