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Rotork plc Air Fail-Safe Actuator AFS

Description
K-TORK Air Fail-Safe actuators incorporate an integral air reservoir to fail valve in desired position upon loss of air pressure, electrical power, or both. Available for General Purpose or Hazardous Area Classification installations. Economical alternative to large , heavy mechanical spring-return actuators Will not allow the valve / actuator to “drift” during periods of low supply air pressure Field reversible to change the fail position Capable of multiple valve cycles after loss of supply air NAMUR VDI/VDE 3845 mounting standard for control accessories
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Air Fail-Safe Actuator - AFS - Rotork plc
Bath, United Kingdom
Air Fail-Safe Actuator
AFS
Air Fail-Safe Actuator AFS
K-TORK Air Fail-Safe actuators incorporate an integral air reservoir to fail valve in desired position upon loss of air pressure, electrical power, or both. Available for General Purpose or Hazardous Area Classification installations. Economical alternative to large , heavy mechanical spring-return actuators Will not allow the valve / actuator to “drift” during periods of low supply air pressure Field reversible to change the fail position Capable of multiple valve cycles after loss of supply air NAMUR VDI/VDE 3845 mounting standard for control accessories

K-TORK Air Fail-Safe actuators incorporate an integral air reservoir to fail valve in desired position upon loss of air pressure, electrical power, or both. Available for General Purpose or Hazardous Area Classification installations.

  • Economical alternative to large , heavy mechanical spring-return actuators
  • Will not allow the valve / actuator to “drift” during periods of low supply air pressure
  • Field reversible to change the fail position
  • Capable of multiple valve cycles after loss of supply air
  • NAMUR VDI/VDE 3845 mounting standard for control accessories
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Technical Specifications

  Rotork plc
Product Category Pneumatic Valve Actuators
Product Number AFS
Product Name Air Fail-Safe Actuator
Valve Motion Rotary
Full Range of Rotary Motion 90°
Operating Pressure Range 30 to 220 psi (21.11 to 155 m H2O)
Enclosure NEMA 4; NEMA 4X
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