Stroke Length: 1/2" Force: 75 PSI Mounting: Direct-Coupled Weight: 1.8 Lbs The Johnson Controls VA-4233-AGA-2 Electric Valve Floating Actuator is a small and mighty device that is built for strength and flexibility to smoothly control valves in HVAC systems where space is a constraint. https://www.partshnc.com/24v-fltg-act-75-12stroke