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K Series scotch-yoke pneumatic actuator

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k scotch yoke pneumatic actuators are fit for turn-off or metering control of 90° valves (such as ball valves, butterfly valves and plug valves). It can realize automatic control of industrial process with various accessories. The principle is that compressed air enters the chamber to push the piston to do linear motion, and by transmission structures of the yoke pin and yoke groove, the piston's linear motion will be converted into the yoke's rotary motion, and drives the output shaft to rotate, thus achieving the control of the valve
  • k scotch

  • KST&OEM&ODM Brand

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Features


 

▶Modular design,standardized diversitycombination.

▶Setup aspecial high -intensity and guide shaft structure with rigorousanti -corrosion and wear -resistanttreatment,running smoothly,sealedand reliable.

▶High-intensityballink castiron boxes and boxlids, the surface -shotblastingis treated with anticorrosive treatment, solid, firm,and beautiful.

▶The inner wall of the cylinder has a hard chrome and hindrance, whichhas extremelyexcellent wear resistance and corrosion resistance.

▶Springfor electrophoreticanti -corrosion treatment,with aservice lifeexceeding l million times.

▶Qi source pressure:43.5~145.5PSI (3~10bar);                                

▶Output torque:dual effects pneumatic1000~16000Nm;                                                    

▶Output torque: Single effect is motivated640~83650Nm;

▶The following temperature range is optional:                               

▶Standard:-20°F~200°F(-29℃~93℃)                                                

▶Lowtemperature:-508~180 °F(-46℃~82℃)                                  

▶High temperature:0°F~350°F(-18℃~177℃)                                   


Parts and Materials



默认标题__2025-07-11+17_36_14


Name Qty Material
1 Flange Cap 1 Carbon Steel
2 Spring Seat 1 Carbon Steel
3 Spring 1 Spring Steel
4 Spring Body 1 Carbon Steel
5 Spring Stem 1 Alloy Steel
6 Indicator 1 Carbon Steel
7 Centre Body Cap 1 Ductile Iron
8 Yoke 1 Ductile Iron
9 Centre Body 1 Ductile Iron
10 Drive Mechnism 1 Alloy Steel
11 Cylinder Seat 1 Ductile Iron
12 O-Ring 1 Rubber
13 Piston 1 Ductile Ironl
14 Guide Ring 1 Resin
15 Cylinder Tube 1

Carbon Steel+Hard Chrome Plating 

Carbon Steel+Teflon

16 Front Cylinder Cap 1 Ductile Iron
17 Double and Stud N Carbon Steel
18 Nut N Carbon Steel


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