Pneumatic Valve Actuator, Air Connection Size 1/4 in, Air Connection Type Barbed Hose, Application Control of Hot/Chilled Water, Compatible Valve Size Not Applicable, Compatible Valve Stem Not Applicable, Compatible Valve Type Globe, Control Pressure - Maximum 25 psi, Diaphragm Material EPDM, Effective Diaphragm Area 25 sq in, Housing Material Carbon Steel, Includes Insert Insert Not Included, Includes Mounting Kit Valve Mounting Kit Not Included, Includes Positioner Positioner Not Included