Pressure Independent Control Valve With Electric Actuator 2 In. NPT 2 Way 70 GPM Stainless Steel Trim DCA P V201D 500Vac) IP54 UL Rango de Presion:0 a 1" w.c. 500Vac) IP54 UL type 12 Frame size R9 with Modbus RTU Modbus communication capability Floor freestanding mounting with built in 6 pulse rectifier + Choke + DC connection busb NPT 2 Way 37 CV Stainless Steel Trim Low Profile Floating On Off(Fail In Place) 24 Vac NPT 2 Way 70 GPM Stainless Steel Trim DCA Profile On Off(Fail Closed) 24 Vac 1 Aux Switch Pressure Independent Control Valve With Electric Actuator 2 In