Pressure Independent Control Valve With Electric Actuator 2 In. NPT 2 Way 50 GPM Plated Brass Trim DCA Prof SERIES WM2 & WMT34 flow rate 401 1000 mL min air Rango de Presion:0 a 1" w.c. flow rate 401 1000 mL min air (13 26 mL min water) 681 42 SAN PR XMTR 15 PSI 2 IN NPT 2 Way 50 GPM Plated Brass Trim DCA Profile Modulating Floating(Fail Open) 24 Vac 1 Aux Switch Pressure Independent Control Valve With Electric Actuator 2 In