Gemini Valve B412SR Pneumatic Actuator Attachment

The Gemini Valve B412SR Pneumatic Actuator Attachment is a spring-return, direct-mount actuator that converts compressed air into 90° rotary motion to automate quarter-turn valves such as ball valves in industrial process control and piping systems. Operating at 75–125 PSI with dual 1/8" NPT air ports, it provides a fail-safe spring return (open or closed depending on configuration) and uses an aluminum housing with corrosion-resistant internals for reliable, continuous-duty operation. Designed for ball valves and similar quarter-turn valves, it mounts to the ISO-style interface and supports common process-control deployments in manufacturing plants, water treatment, and chemical handling systems, with cycle times around 0.5–1 second and a temperature range roughly -20°F to 350°F depending on series, and it carries the MPN B412SR.