Pressure Independent Control Valve With Electric Actuator 1 1 2 In. NPT 2 Way 20 GPM Stainless Steel Trim D SERIE V8 NPT 2 Way 41 Rango de Presion:0 a 1" w.c. NPT 2 Way 41 CV Plated Brass Trim DCA Profile On Off(Fail Closed) 100 250 Vac 1 Aux Switch Nema 3R Enclosure 1K ohm Nickel Iron (BALCO) RTD NPT 2 Way 20 GPM Stainless Steel Trim DCA Profile Floating On Off(Fail In Place) 24 Vac 2 Aux Switches Nema 3R Enclosure Pressure Independent Control Valve With Electric Actuator 1 1 2 In