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Changshu Kexin Automation Equipment Co., Ltd.
Changshu Kexin Pneumatic Automation Equipment Co., Ltd. We are your first choice of positioners ,pneumatic actuators in China with the tenet of "Competitive Prices with First Quality and Satisfying
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1/4 Turn Single Effect Rack And Pinion Actuator Valve Piston Actuator

Changshu Kexin Automation Equipment Co., Ltd.
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1/4 Turn Single Effect Rack And Pinion Actuator Valve Piston Actuator

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Brand Name : OEM

Model Number : DA,SR

Certification : CE,ATEX,ISO,SGS

Place of Origin : Jiangsu, China

MOQ : 20

Supply Ability : 5000 sets per month

Delivery Time : 3-15days

Packaging Details : 1) foam packing inside,one carton box outside 2) then put all carton box in one strong plywood case for sea transport

Metarial : extruded Aluminum alloy

Colour : black, gray, blue, or as customers' requirement

Application : Ball valve, butterfly valve

Connection : ISO 5211,DIN 3337

Structure : rack and pinion

Type : double action and single action

Product name : 1/4 Turn Single Effect Rack And Pinion Actuator Valve Piston Actuator

Size : 32 to 400

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1/4 Turn Single Effect Rack And Pinion Actuator Valve Piston Actuator

Pneumatic Actuator

Material Extruded Aluminum alloy
Rotary Angle 0~90 degree
Structure rack and pinion rotary actuator
Working Pressure 2~8bar
Surface Treatment hard anodizing
Working Temperature Normal Temperature: -20ºC(-4°F) ~ 80ºC (+176°F);

High Temperature: -15ºC(+5°F) ~ 150ºC (+302°F);

Low Temperature: -40ºC(-104°F) ~ 80ºC (+176°F).
Connection NAMUR, ISO5211 and DIN3337
Application ball valve, butterfly valve, and rotary machine
Cup Color grey, black, sky blue, dark blue, red, orange

Main Features

1/4 Turn Single Effect Rack And Pinion Actuator Valve Piston Actuator

  1. Dual piston rack and pinion design for compact construction,symmetric mounting positon,high-cycle life and fast opeation,reverse rotaton can be accomplished in the field by simply inverting the pistons.
  2. Multiple bearings and guides on racks and pistons,low friction,high cycle life and prevent shaft blowout.
  3. Modular preloaded spring cartridge design.with coated spring for simply versatile range,greater safely and corroson resistance, longer cycle life.
  4. Fully machined teech on piston and pinion for accurate low backlash rack and pinion engagement,maximum efficiency.
  5. Stainless steel fasteners for long term corrosion resistance.
  6. Full conformance to the latest specification;ISO5211.DIN3337 and Namur or product interchange ability and easy mounting of solenoids, limit switches and other accesories.
Pneumatic Actuator Dimension

1/4 Turn Single Effect Rack And Pinion Actuator Valve Piston Actuator

Model A B C D H×I G N J K L M Air connection
AT032 110 45 45 20 50×25 12 9 Æ36 M5×7.5 G1/8"
AT040 122 60 65 20 80×30 14 11 Æ50 Æ36 M6×10 M5×7.5 NAMUR G1/4"
AT052 147 72 72 20 80×30 14 11 Æ50 Æ36 M6×10 M5×7.5 NAMUR G1/4"
AT063 172 88 83 20 80×30 18 14 Æ70 Æ50 M8×13 M6×10 NAMUR G1/4"
AT075 184 100 95 20 80×30 20 14 Æ70 Æ50 M8×13 M6×10 NAMUR G1/4"
AT083 204 109 103 20 80×30 21 17 Æ70 Æ50 M8×13 M6×10 NAMUR G1/4"
AT092 262 117 109 20 80×30 22 17 Æ70 Æ50 M8×13 M6×10 NAMUR G1/4"
AT105 268 133 121 20 80×30 26 22 Æ102 Æ70 M10×16 M8×13 NAMUR G1/4"
AT125 301 155 143 20 80×30 27 22 Æ102 Æ70 M10×16 M8×13 NAMUR G1/4"
AT140 394 173 152 20 80×30 32 27 Æ125 Æ102 M12×20 M10×16 NAMUR G1/4"
AT160 458 198 174 20 80×30 34 27 Æ125 Æ102 M12×20 M10×16 NAMUR G1/4"
AT190 528 232 206 30 130×30 40 36 Æ140 M16×24 NAMUR G1/4"
AT210 532 257 226 30 130×30 40 36 Æ140 M16×24 NAMUR G1/4"
AT240 660 291 260 30 130×30 50 46 Æ165 M20×25 NAMUR G1/4"
AT270 740 330 294 30 130×30 50 46 Æ165 M20×25 NAMUR G1/2"
AT300 798 354 336 30 130×30 60 46 Æ165 M20×25 NAMUR G1/2"
AT350 880 408 385 30 130×30 60 46 Æ165 M20×25 NAMUR G1/2"
AT400 950 464 516 30 130×30 60 55 Æ254 Æ165 8-M16×25 M20×25 NAMUR G1/2"

Product Application

AT series Pneumatic Actuator is made of dual pistons driven by racks and pinions. There are two models. One is Dual Acting model, and the other is Spring Return model, which can suit various flammable, corrosive, dusty, strong magnetic field, radiation, vibration corrosive environment indoor or outdoor.


Auto-control in the field of electric power, petrochemical, metallurgy, petroleum, gas, town, construction, drainage, chemical industry, oil refining, mining, power plant, metallurgy, architecture, medicine, food, gas, scientific research, etc.

1/4 Turn Single Effect Rack And Pinion Actuator Valve Piston Actuator1/4 Turn Single Effect Rack And Pinion Actuator Valve Piston Actuator

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