AT Series Stainless Steel SS304/SS316 Pneumatic Rotary Actuator 0-90° 2-8bar for Ball and Butterfly Valves
AT Series stainless steel pneumatic rotary actuators designed for precise valve control in industrial applications. Available in SS304 and SS316 materials with double acting and single acting (spring return) configurations.
| Materials | SS304, SS316 Stainless Steel |
| Rotary Angle | 0-90 degrees |
| Structure | Rack and Pinion Rotary Actuator |
| Working Pressure | 2-8 bar (0.3-0.8 MPa) |
| 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 |
- Full conformance to ISO5211, DIN3337, VDINDE-3854, and NAMUR standards
- Extruded high-intensity aluminum body with honed internal surface
- Low friction coefficient for swift performance and long service life
- Compact construction with multiple specifications for economic selection
- High-quality bearings for low friction, high cycle life, and quiet operation
- External stroke adjustment bolts (±5° at open/close directions)
- Available in double acting and single acting (spring return) models
- Multi-function indicator with NAMUR for easy accessory mounting
- Pre-compressed load spring for safe mounting and disassembly
- Die-casting aluminum pistons and end caps for high strength and light weight
- Multiple O-ring materials available for high and low temperature applications
| 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 ideal for ball valves, butterfly valves, and rotary machines in 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, architecture, medicine, food, gas, and scientific research applications.
- Limit switch boxes
- Solenoid valves
- Positioners
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