AIR Torque FA AT551U S12 A Pneumatic Actuator
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Pneumatic Actuator
A quarter-turn pneumatic actuator with 90° rotation, supplied with an explosion-proof limit switch box. Designed for industrial and hazardous-area valve automation requiring high torque, reliability, and ATEX compliance.ActuatorAirAtexAutomationBoxControlEquipmentExplosionIndustrialLimitPneumaticPneumaticsProcessProofQuarterSwitchTorqueTurnValve
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AIR TORQUE FA AT551U S12 A Pneumatic Actuator with Explosion-Proof Limit Switch Box
A heavy-duty pneumatic actuator designed for precise quarter-turn valve automation in industrial environments. This unit is supplied pre-assembled with an explosion-proof limit switch box, making it suitable for hazardous areas and critical process applications. Manufacturer: AIR TORQUE
Type: Pneumatic Actuator
Model: FA AT551U S12 A
Part No.: F14-N-36DS
Serial Number: 18238585
Modified To: AT551S07U FA
Attached Limit Switch Box
| Rotation Angle | 90° |
| Operating Pressure | Max. 8 bar |
| Maximum Torque @ 6 bar | 540 Nm |
| Minimum Torque @ 6 bar | 379 Nm |
| Temperature Range | -40°C to +80°C |
| Air Connection | G 3/8 |
| Standards | IEC 61508 / EN ISO 5211 |
| Ancillary Attach | AA4 |
| Series | GD Series |
| Code | 41344 |
| Switch Type | Electromechanical SPDT (Silver Plated Contacts) |
| Electrical Rating | 5A @ 250VAC / 5A @ 24VDC |
| Ambient Temperature | -25°C to +85°C |
| Cable Entries | 2 × M20 x 1.5, 1 × M20 x 1.5 (Auxiliary) |
| Material | Aluminum |
| Enclosure Protection | IP66 “ IP68 |
| ATEX Certification | ATEX II 2G Ex db IIC T6 / T4 Gb |
