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Automatic DeWatering System


            SPECIALTY PUMP

            Air Operated Control Solution with Liquid Level Sensing
                   ®
            The ARO  Automatic Dewatering System offers automatic on/off controls
            for Pro and EXP diaphragm pumps.  A pneumatically controlled Liquid Level
            Sensor is used to easily control the fluid level within a desired range.  The
            Automatic Dewatering System will limit the monitoring labor and reduce air                  u
            consumption by avoiding dry running of the pump.                              v

              Simple design is easy to setup and use
              All pneumatic operation eliminates electrical ignition source          w
              High/Low level control maintains fluid between established levels
              Reduces air consumption by avoiding pump dry running                              y

              Portable system with directly mounted liquid level sensor

            SPECIFICATIONS
            Temperature Range- °F (°C)                        32 – 122 (0 - 50)
            Air Supply Pressure- psi (bar)                       29 - 101 (2-7)
            Weight w/o Pump lbs (kg)                            11 (4.8)
            Air Connection Size                                        Rc 3/4”        x
            Sensing Tube lengths - ft (m)                        66 (20)
            Sensitivity to detect liquid level- in (cm)      2 - 4 (5-10)
                                                                                 u  Bracket
            SERVICE KITS                                                         v  Liquid Level Sensor
                                                                                 w
                                                                                    Pneumatic Controlled Valve
            SS-BQG550         Mounting Bracket                                    x  Sensing Tubes with Screen
            PNCV-1/2            Pneumatic Controlled Valve                        y  Pro Series Diaphragm Pump
            637523                Sensing Tube and Screen Kit                       (purchase separately)

             AUTOMATIC DEWATERING SYSTEM                         PUMP COMPATIBILITY
             SCD501BN08-V1D Dewatering Kit (without pump)       2” PRO Series Pump         6662XX-XXX-C
                                                                3” PRO Series Pump         6663XX-XXX-C



              Working Principle



                                                 Function
                                                 Start a pump when the liquid level rises past
                                                 a predetermined level (High Level)
                                                 Shut down a pump when the liquid level   HIGH
                                                 falls past a predetermined level (Low Level)  LEVEL



                                                                                                  Continuous air
                                                                                                  flow used to
                                                                                                   sense level
                                                                                      LOW
                                                                                     LEVEL








                                                  arotechsupport@irco.com • (800) 495-0276  / PRO Series Diaphragm Pumps  •  AROzone.com    41
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