Overview
The Keystone 020-790-202 pneumatic actuator is a rotary actuator designed for valve control in industrial automation and fluid handling applications. Part of Keystone Valve’s 020-790 series, this unit provides double-acting pneumatic actuation for on/off or modulating control of butterfly valves and similar equipment. Built for durability in process control environments, the 020-790-202 converts air pressure into smooth rotational motion to position valves accurately.
Key Features
- Double-acting pneumatic design for bidirectional valve control
- Compatible with on/off and modulating control schemes
- Compact, lightweight construction suitable for retrofit applications
- Industrial-grade reliability for continuous process operation
- Used condition—fully functional and inspected before shipment
Technical Specifications
Detailed specification sheets for the Keystone 020-790-202 may vary by configuration. The actuator is designed for integration with Keystone butterfly valves and compatible third-party valve bodies. For exact pressure ratings, bore size, stroke, and mounting dimensions, consult the equipment documentation or contact us for detailed technical data.
Typical Applications
- HVAC systems and chiller control
- Chemical processing and fluid distribution
- Water treatment and irrigation systems
- Compressed air and gas line automation
- Industrial flow control and shut-off operations
Compatibility & Replacements
Compatible With
- Keystone 2″ and 3″ butterfly valves
- Pneumatic supply systems (compressed air 40–100 psi typical)
- Modulating control systems and positioners
- Standard pneumatic tubing and fittings (1/4″ NPT connections common)
Replaces / Drop-In Replacement For
The 020-790-202 is part of Keystone’s 020-790 series. Related models in this family include the 020-790-200 and 020-790-201. Verify compatibility with your system integrator before ordering, as mounting and port configurations may differ between variants.
Works With
- Pneumatic control systems (manual, solenoid, or electronic actuation)
- Industrial process control systems
- HVAC and building automation platforms
- Standard compressed air supply infrastructure
















