Johnson Controls V-510-100 Valve Positioner Spring

The Johnson Controls V-510-100 is a positioner spring designed for use with pneumatic valve actuators. It's compatible with 3R, 4R, 5R, and 8R pneumatic valve actuators with valve strokes ranging from 3/16 inch to 5/16 inch. This positioner provides stable and accurate control by compensating for flow surges in the piping system.