Bettis CB420-SR80 Pneumatic Valve Actuato Spring Return Rotary

The Bettis CB420-SR80 is a rugged, industrial-grade pneumatic rotary actuator designed for dependable quarter-turn valve automation. Featuring a spring return (fail-safe) mechanism, this actuator automatically drives the valve to a predetermined safe position upon air loss, making it ideal for critical process systems.

Built for durability, this unit supports standard plant air operation (80 PSI nominal) and can handle higher pressures when required. Its compact, heavy-duty construction makes it suitable for demanding environments such as oil & gas, chemical processing, and general industrial automation.

Key Specifications:

• Manufacturer: Bettis 
• Model: CB420-SR80
• Part Number: 45114 
• Serial Number: SF0123A-26
• Type: Pneumatic Rotary Actuator
• Operation: Spring Return (fail-safe)
• Nominal Operating Pressure: 80 PSI
• Maximum Operating Pressure: 165 PSI
• Maximum Hydrostatic Test Pressure: 240 PSI

Features:

• Heavy-duty industrial actuator housing 

• Compact rotary design with integrated mounting base

• Dual air ports for controlled actuation

• Spring-return mechanism for automatic fail position

• Nameplate intact and legible with full pressure ratings

Applications:

• Quarter-turn valves (ball, butterfly)

• Oil & gas systems

• Chemical processing

• Industrial automation and fluid control