Automatic Valve with positioner 1" 150 # ANSI flanges, 7" face to face With proximity switch sensor for stem location. Size/Rating: 1/150#, Stroke (IN) 3/4" , Signal Range; 3-15 psi. , Supply psi, min=70, max=100, spring range(psi)=13-27, Air failure state=valve opens, Valve plug and seat= Stellite.