Honeywell Pneumatic Valve Actuator, 8" Diaphragm

Pneumatic actuators provide proportional control of steam or hot or cold liquids in HVAC systems by operating V5011, V5013, and VGF valve assemblies. Replacement devices are available for older Honeywell actuators. Features: Rolling diaphragm for long life and low hysteresis Easily attached to valve Can be installed after piping valve Slide lock feature permits simple engagement to valve stem Direct- or reverse-action control Does not include positive positioner Includes 311851-062 Stem Extension Assembly Medium Actuator Force Spring Range: 4-11 psi Stroke: 3/4" Air connections: Dual barbed fitting for 5/32 in. O.D. and 1/4 in. O.D. plastic tubing