Hard Anodized Aluminum Rack & Pinion Pneumatic Actuator - 2-8 Bar Working Pressure, 0-90° Rotation
Hard anodized aluminum rack and pinion pneumatic actuator designed for precise quarter-turn valve operation in industrial applications.
| Material | Extruded Aluminum Alloy ASTM6005 |
| Rotary Angle | 0-90 degrees |
| 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 Machinery |
- Position Indicator: NAMUR compliant for easy accessory mounting
- High-Precision Pinion: Nickel-alloy steel construction with stainless steel options
- Actuator Body: Extruded aluminum alloy with hard anodized, powder polyester painted, PTFE or nickel plated finishes
- End Caps: Die-cast aluminum with multiple coating options
- Twin Rack Pistons: Aluminum or cast steel construction with symmetric mounting
- Adjustable Travel Stops: ±5° adjustment at both open and close positions
- High-Performance Springs: Corrosion-resistant coating for extended service life
- Low-Friction Bearings: Long-life compound material construction
- Sealing System: NBR rubber O-rings with Viton or Silicone options for extreme temperatures
- Rack and pinion design for smooth operation
- Compact and lightweight aluminum construction
- ISO 5211 mounting pattern compatibility
- Adjustable stops for precise open and closed positioning
- NAMUR accessory mounting specifications
- Machined gear teeth for extended service life
- High cycle life with low friction bearings
- Safety contained springs for maintenance protection
- Modular design for double-acting and spring-return versions
- Corrosion resistant with hard anodized body and stainless steel fasteners
| 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" |
| AT190 | 528 | 232 | 206 | 30 | NAMUR G1/4" |
| AT210 | 532 | 257 | 226 | 30 | NAMUR G1/4" |
| AT240 | 660 | 291 | 260 | 30 | NAMUR G1/4" |
| AT270 | 740 | 330 | 294 | 30 | NAMUR G1/2" |
| AT300 | 798 | 354 | 336 | 30 | NAMUR G1/2" |
| AT350 | 880 | 408 | 385 | 30 | NAMUR G1/2" |
| AT400 | 950 | 464 | 516 | 30 | NAMUR G1/2" |
AT series pneumatic actuators are designed for dual pistons driven by racks and pinions, available in dual-acting and spring-return models. Suitable for various environments including flammable, corrosive, dusty, strong magnetic field, radiation, and vibration conditions, both indoor and outdoor.
Ideal for automated control systems in electric power, petrochemical, metallurgy, petroleum, gas, municipal water systems, construction, drainage, chemical processing, oil refining, mining, power generation, architecture, medical, food processing, gas distribution, and scientific research applications.
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