DA Double Action Pneumatic Actuator Aluminum Body 2-8 Bar Working Pressure 90° Rotation for Valve Control
DA Double Action Pneumatic Actuator with aluminum body construction designed for reliable valve operation in demanding industrial environments. Features corrosion-resistant hard anodized finish and modular design for versatile applications.
- Rack and pinion design for smooth operation
- Compact and lightweight aluminum construction
- ISO 5211 mounting pattern compatibility
- Adjustable stops for both open and closed positions
- NAMUR specification accessory mounting dimensions
- Precision machined gear teeth for extended service life
- High cycle life with low friction bearings
- Safety-contained springs prevent ejection during maintenance
- Modular design using same body for double-acting and spring-return versions
- Corrosion-resistant with hard anodized body, PTFE coated end caps, and stainless steel fasteners
| Parameter | Specification |
|---|---|
| Material | Extruded Aluminum Alloy |
| 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 Machines |
NAMUR-compliant position indicator for easy mounting of accessories including limit switch boxes and positioners.
High-precision integrated pinion made from nickel-alloy steel, fully compliant with ISO5211, DIN3337, and NAMUR standards. Custom dimensions available with stainless steel options.
Extruded aluminum alloy ASTM6005 with hard anodized finish, powder polyester painting (multiple colors available), PTFE, or nickel plating options.
Die-cast aluminum with powder polyester painting in various colors, PTFE, or nickel plating.
Twin rack pistons made from die-cast aluminum with hard anodizing or cast steel with galvanization. Symmetric mounting for long cycle life and fast operation.
Two independent external travel stop adjustment bolts provide ±5° adjustment at both open and close directions.
Preloaded coating springs made from high-performance materials resistant to corrosion with extended service life. Spring quantity can be adjusted to meet specific torque requirements.
Low friction, long-life compound material bearings prevent direct metal-to-metal contact. Easy maintenance and replacement.
NBR rubber O-rings for standard temperature ranges. Viton or silicone options available for high and low temperature applications.
| Model | A | B | C | D | H×I | G | N | J | K | L | M | Air Connection |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATO32 | 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" |
AT Series Pneumatic Actuators utilize 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 applications in electric power, petrochemical, metallurgy, petroleum, gas, construction, drainage, chemical processing, oil refining, mining, power generation, architecture, medicine, food processing, gas distribution, scientific research, and more.
Mobile: +86 13921532524
WeChat: wxy871031
Email: snow0909@hotmail.com
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.