Double Acting & Spring Return Rotary Rack Pinion Pneumatic Actuator - 2-8 Bar Working Pressure, 90° Rotation
Double acting and single return rotary rack and pinion pneumatic actuator designed for industrial valve automation applications. Constructed with extruded aluminum alloy body and precision components for reliable performance.
| Material | Extruded Aluminum Alloy |
| Rotary Angle | 0~90 degree ±5° |
| Structure | Rack and Pinion Rotary Actuator |
| Working Pressure | 2~8 bar |
| Surface Treatment | Hard Anodizing |
| Working Temperature | Normal: -20°C to 80°C High: -15°C to 150°C Low: -40°C to 80°C |
| Connection Standards | NAMUR, ISO5211, DIN3337 |
| Applications | Ball Valves, Butterfly Valves, Rotary Machines |
- Position Indicator: NAMUR compatible for mounting accessories like limit switches and positioners
- Precision Pinion: High-precision nickel alloy steel, customizable dimensions with stainless steel options available
- Actuator Body: Extruded aluminum alloy ASTM6005 with hard anodized, powder polyester painted, PTFE, or nickel plated treatments
- End Caps: Die-casting aluminum with powder polyester painting in various colors
- Twin Rack Pistons: Die-casting aluminum with hard anodizing or cast steel with galvanization
- Travel Adjustment: Two independent external stop adjustment bolts with ±5° precision
- High Performance Springs: Preloaded coating springs for corrosion resistance and extended cycle life
- Bearings & Guides: Low friction compound material to prevent metal-to-metal contact
- Sealing System: NBR rubber O-rings for standard temperatures, Viton or silicone for extreme temperature ranges
| Model | A (mm) | B (mm) | C (mm) | D (mm) | Air Connection |
|---|---|---|---|---|---|
| ATO32 | 110 | 45 | 45 | 20 | G1/8" |
| AT040 | 122 | 60 | 65 | 20 | NAMUR G1/4" |
| AT052 | 147 | 72 | 72 | 20 | NAMUR G1/4" |
| AT063 | 172 | 88 | 83 | 20 | NAMUR G1/4" |
| AT075 | 184 | 100 | 95 | 20 | NAMUR G1/4" |
| AT083 | 204 | 109 | 103 | 20 | NAMUR G1/4" |
| AT092 | 262 | 117 | 109 | 20 | NAMUR G1/4" |
| AT105 | 268 | 133 | 121 | 20 | NAMUR G1/4" |
| AT125 | 301 | 155 | 143 | 20 | NAMUR G1/4" |
| AT140 | 394 | 173 | 152 | 20 | NAMUR G1/4" |
| AT160 | 458 | 198 | 174 | 20 | NAMUR G1/4" |
AT series pneumatic actuators are suitable for various industrial environments including flammable, corrosive, dusty, strong magnetic field, radiation, and vibration conditions. Widely used in electric power, petrochemical, metallurgy, petroleum, gas, construction, drainage, chemical industry, oil refining, mining, power plants, and scientific research applications.
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