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Proportional flow control valves
                                                                                     Proportional flow control valve

            Proportional 3-way flow control valve
            Screw-in cartridge
            • Direct operated,  pressure compensated       M42 x 2
            • Q max   = 200 l/min, p max  = 350 bar        ISO 7789
            • Q N max  = 160 l/min



            DESCRIPTION                        FUNCTION                           APPLICATION
            Direct operated, pressure compensated pro-  The 3-way flow control valve serves for maintai-  Proportional flow control valves are suitable for
            portional  flow control valve as a screw-in cart-  ning the speed of a consumer constant inde-  feed control systems, where the consumer flow
            ridge with a thread M42 x 2 for cavity acc. to   pendent of the load. Superfluous pump output   has to be maintained constant with a changing
            ISO 7789. The volume flow is adjusted by a   flow is fed into the return flow system in a cost   load. The screw-in cartridge is suitable for in-
            Wandfluh proportional solenoid (VDE standard   saving manner, and as a result, prevents an   stallation in control blocs.
            0580). The cartridge body is made of steel. A   overheating of the hydraulic system. The po-
            special surface treatment guarantees a good   wer controlled, proportional solenoid running
            protection against corrosion and wear as well   in oil acts directly on the throttle spool, which
            as very good low-friction characteristics of the   opens the throttle segments in the cartridge
            pressure  compensating-  and  throttle  spool.   body. Proportional to the current demand of the
            The solenoid coil is zinc- / nickel-coated.  proportional solenoid, the throttle aperture
                                               changes, and with this the volume flow. In case
                                               of a current-free solenoid, the throttle spool is
                                               held in closed position by a spring. For driving
                                               the valve, Wandfluh proportional amplifiers are
                                               available (see Register 1.13).


            TYPE CODE
                                                                        Q D P PM42 -  160  -    /  W    -       #
            Flow control valve
            3-way
            Proportional
            Screw-in cartridge M42 x 2
                                      160 l/min
            Nominal volume flow rate Q N
                                      12 VDC              G12
            Nominal voltage U N
                                      24 VDC              G24
                                      without coil         X5
            Slip-on coil   10         Metal housing, round  M42x2
               69  20                          s41     3 (A)   2 (T)
            Connection execution      Connector socket EN 175301-803 / ISO 4400   D
                 15                   Connector socket AMP Junior-Timer   J
                                      Connector Deutsch DT04-2P         G
                                                                         1 (P)
            Sealing material          NBR
               32                     FKM (Viton)        D1
            Manual override           Screwed sealing plug          HB0
                                      Manual emergency actuation    HC8.5
                        17                           50 80 60 90 70
            Design-Index (Subject to change)
                  1                                        88
                                   138                     90
                                         229


            SYMBOLS                                              GENERAL SPECIFICATIONS
            simplified           detailed                        Description       3-way proportional flow control valve
                                                                 Construction      Screw-in cartridge for cavity acc. to ISO 7789
                                                                 Operation         Proportional solenoid
                                                                 Mounting          Screw-in thread M42 x 2
                                                                 Ambient temperature   -20…70 °C
              1         3                                        Mounting position   any
                                 1                 3             Fastening torque   M  = 100 Nm for screw-in cartridge
                                                                                    D
                2                                                                  M  = 5 Nm for knurled nut
                                                                                    D
                                                                 Weight            m  = 2,34 kg
                                                                 Flow direction    see symbol
                                       2


            Wandfluh AG         Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.
            Postfach            Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   2.6-695E 1/3
            CH-3714 Frutigen                                                                             Edition 15 08
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