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Proportional throttle valve
                                                                                         Proportional throttle valve


            Proportional throttle cartridge with integrated
            electronics                                          M33 x 2
             ◆  direct operated                                  ISO 7789
             ◆  Q  = 65 l/min
                max
             ◆  Q N max  = 63 l/min
             ◆  p  = 350 bar
                max






            DESCRIPTION                                          APPLICATION
            Direct operated proportional throttle valve with integrated electro-  Proportional throttle valves with integrated electronics are perfec-
            nics as screw-in cartridge for cavity according to ISO 7789. With   tly suitable for demanding applications in which the volume flow
            the solenoid deenergised, the control spool is held in the closed   frequently has to be changed. They are used in applications where
            position by a spring. The change of the electric current is followed   high valve-to-valve reproducibility, easy installation, comfortable
            by a proportional volume flow change. Progressive increase and   operation  and  high  precision  are  very  important.  The integrated
            decrease  of  volume  flow  and  reduced  hysteresis  are  characte-  controller reliefs the machine control and operates the volume flow
            ristics of this valve. The Plug & Play valves are factory set and ad -  control in a closed loop circuit. The applications are in the indust-
            justed and have therefore a high valve-to-valve reproducibility. The   rial as well as in the mobile hydraulics for the smooth control of
            control takes place via an analogue interface or a fieldbus interface   hydraulic actuations. The screw-in cartridge is perfectly suitable
            (CANopen, J1939 or Profibus DP). The parameterisation takes pla-  for  installation  in  control  blocks  and  is  installed  in  sandwich-
            ce by means of the free of cost parameterisation and diagnostics     (vertical stacked systems) and in flange plates (corresponding data
            software «PASO» or via fieldbus interface. The USB parameterisa-  sheets in this register). For machining the cartridge cavity in steel
            tion  interface  is  accessible  through  a  screw  plug.  As  an  option,    and aluminum blocks, cavity tools are available (hire or purchase).
            these valves are available with integrated controller. As feedback   Please refer to the data sheets in register 2.13.
            value  generators  sensors  with  voltage  or  current  output  can  be   Note!  „PASO” is a Windows programm in the flow diagram
            connected directly. The available controller structures are optimi -  style, which enables the intuitive adjustment and storing
            sed for applications with hydraulic actuations.               of all variable parameters. The data remain saved in
                                                                          case of a power failure and can also be reproduced and
                                                                          transferred to other DSV.







            SYMBOL                                               ACTUATION
            „normally closed” DN                                  Actuation          Proportional solenoid, wet pin push
                           2                                                         type, pressure tight
                                                                  Connection         Via device receptacle


                           1




            MANUAL OVERRIDE                                      ELECTRICAL SPECIFICATIONS
            HB4,5 as standard
                                                                  Protection class   IP67 with suitable mating connector and
                                                                                     closed housing cover
                                                                  Ramps              Adjustable
                                                                  Parameterisation   Via fieldbus or USB
                                                                  Supply voltage     12 VDC, 24 VDC

                                                                 Note!    Exact electrical specifications and detailed description
                                                                          of «DSV» electronics can be found on data sheet
                                                                          1.13-76.




                               www.wandfluh.com  Illustrations are not binding  Data subject to change  1/6  Edition: 22 46  2.6-561 E
                                                                                                           Page 1227
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