OEM Pneumatic Butterfly Valve Spring Return Pneumatic Operated Butterfly Valve
High Performance Pneumatic Butterfly Valve Double Action Spring Return Pneumatic Actuator Operation
Pneumatic Actuator Specifications
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
AT Series Pneumatic Actuators Features
- Full conformance to ISO5211, DIN3337, VDINDE-3854, and NAMUR specifications
- Extruded high-intensity aluminum body with hard anode oxygenation coating
- Compact construction with multi-specification options for economic benefits
- High-quality bearings for low friction, high cycle life, and silent operation
- External stroke adjustment bolts for precise ±5° adjustment
- 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 tear down
- Die-casting aluminum pistons and end caps for high intensity and light weight
- Various O-ring materials available for different temperature requirements
- Easy solenoid valve mounting without connecting plank
Main Features
- Widely used in ball valves and butterfly valves
- Low cost, compact design, long working life
- Available in single acting (spring return) or double acting models
- Color options: orange, blue, black, dark gray (OEM colors available)
- Working pressure: 0.3~0.8MPa
- Bottom connection: ISO 5211
- Solenoid valve standard: Namur
- Compatible accessories: limit switch box, solenoid valve, positioner
Pneumatic Actuator Dimensions
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 " |
Product Applications
AT series Pneumatic Actuator is made of 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.
Ideal for auto-control applications in:
- Electric power plants
- Petrochemical and oil refining
- Metallurgy and mining
- Gas distribution and town construction
- Drainage and water treatment
- Chemical processing
- Pharmaceutical and food industries
- Scientific research facilities
Contact Information