Pressure Independent Control Valve With Electric Actuator 2 1 2 In. NPT 2 Way 25 GPM Plated Brass Trim DCA V321 A 239 1 4 NPT MUFFLER Rango de Presion:0 a 1" w.c. A 239 1 4 NPT MUFFLER MTG AUMA GS200 304 SST NPT 2 Way 25 GPM Plated Brass Trim DCA Profile Modulating Floating(Fail In Place) 24 Vac Pressure Independent Control Valve With Electric Actuator 2 1 2 In