Pressure Independent Control Valve With Electric Actuator 3 4 In. NPT 2 Way 4 GPM Stainless Steel Trim DCA TIDB1M0 NPT 2 Way 75 Rango de Presion:0 a 1" w.c. NPT 2 Way 75 GPM Stainless Steel Trim DCA Profile On Off(Fail Closed) 100 250 Vac 1 Aux Switch Nema 3R Enclosure 1" Fixed 0 10VDC Bi Dir 0 NPT 2 Way 4 GPM Stainless Steel Trim DCA Profile Modulating Floating Two Position (Fail Safe Closed) With 1 Meter Cable 24 Vac Pressure Independent Control Valve With Electric Actuator 3 4 In