Air Torque AT501U Spares Repair Kit

Product Description

Air Torque AT501U Spares Repair Kit – Rack & Pinion 90° Pneumatic Actuator – SIL3

The Air Torque AT501U Spares Repair Kit is a precision-engineered service kit designed to refurbish AT501U rack & pinion pneumatic actuators. It supports 90° actuation under standard temperature conditions and is SIL?3 certified, making it ideal for use in safety-critical automation systems across industries like chemical processing, water treatment, oil & gas, and utilities.

This comprehensive kit includes all original-equipment manufacturer (OEM) internal wearable components to fully restore actuator performance. Included parts ensure proper torque output, leak-tight sealing, and smooth operation over long-term service life.

Key Features & Contents

• Model Compatibility: Air Torque AT501U series

• Actuation: 90° rack & pinion double acting (or spring return option available)

• Temperature Range: Standard (up to approx. +80?°C)

• Safety Rating: SIL?3 certified – suitable for safety-instrumented systems

• Kit Includes: Internal seals (O-rings, springs, piston guides), friction washers, thrust rings, stop-screw seals, and other wearable components

• Use Case: Restores OEM performance without full actuator replacement—ideal for maintenance or proactive servicing

• Ideal For: Valve actuation in energy, process, pharmaceutical, and automation systems

• Benefits: Reduces system downtime, preserves actuator torque, and maintains operational reliability

Technical Specs