Bettis CBA300 Series Pneumatic Spring Return Actuators (mod no. CBA930-SR80 CH)

Brand: Emerson Bettis
Model: CBA930-SR80 (CBA300 Series) — Spring-Return, Scotch-Yoke, Quarter-Turn Actuator
Configuration: Spring-return (fail-safe), clockwise or counter-clockwise depending on porting
Application: Automating 90° valves (ball, butterfly, plug) and other quarter-turn devices

Key Features & Ratings

• High torque output (spring-return): CBA930-SR80 delivers guaranteed minimum torques; typical start torque ~1,523–2,010 N·m over the actuator’s operating pressure range, with end torque up to ~1,105–1,400 N·m (see tables in photos/specs).

• Operating pressure (MOP): ~6.6 bar; MAWP: 12 bar (static).

• Ingress protection: IP66/IP67M (submergence / high-pressure deluge). All O-ring sealed.

• Construction: Ductile-iron or carbon-steel housing with pressure-vessel quality; optional Xylan® coated cylinder for low friction/corrosion resistance.

• Safety & approvals: Suitable for SIL 1/2/3 loops; PED compliant.

• Mounting: NAMUR topworks for easy, standardized accessory mounting.

• Environment: Designed for demanding industrial service.