Air Torque AT401U Spares Repair Kit

Product Description

The Air Torque AT401U Spares Repair Kit is a comprehensive maintenance solution designed to refurbish AT401U rack & pinion pneumatic actuators featuring 90° actuation. Built for standard temperature conditions, this kit meets SIL?3 certification—making it ideal for use in safety-critical applications across industries such as chemical processing, industrial automation, oil & gas, and water treatment.

This kit includes all essential internal components to restore the actuator to original performance standards:

• O-rings, stem seals, and housing seals

• Thrust bearings, piston guides, and spacers

• Stop screw seals and wear parts for full actuator refurbishment

Key Features

• Compatible Model: Air Torque AT401U

• Actuation Angle: 90° rack & pinion operation

• Temperature Rating: Standard industrial temperature range

• SIL Certification: SIL?3 – for use in safety-instrumented systems

• Kit Contents: OEM-grade internal seals and wear components

• Primary Use: Long-term maintenance or overhauls to restore torque, seal integrity, and proper actuation

• Industry Applications: Valve actuation in process control, utilities, petrochemicals, and manufacturing

• Maintenance Benefits: Extends actuator lifetime, reduces replacement costs and downtime

Technical Specs