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Proportional pressure reducing valve
                                                                         Proportional pressure reducing valve                                                                                          Proportional pressure reducing valve


       DIMENSIONS                                          HYDRAULIC CONNECTION                                                    Proportional pressure reducing cartridge inverse
                                                           Cavity drawing according to Wandfluh standard                            ◆  direct operated                                  M16 x 1,5
                                                                                                                                    ◆  Q  = 6 l/min                                     Wandfluh standard
                                                                                                                                       max
                                                                                  M16x1.5                                           ◆  p  = 210 bar (350 bar)
                                                                                                                                       max
             110
                                                                                                                                    ◆  p    = 40 bar
                                                                                                                                       N red max

            70.8                               s30                                      (3)
         93.3
              15                              M16x1.5                                   (2)                                        DESCRIPTION                                          APPLICATION
           MD=5.5Nm                            (3)  (2)
                                                    (1)                                                                            Direct operated proportional pressure reducing valve with inverse   These valves are used in hydraulic systems where the pressure
                                                                                        (1)                                        function in screw-in cartridge construction for cavity according to   has  to  be  changed  frequently.  The  electrical  remote  control  in
            22.5                                                                  (1)                                              Wandfluh  standard.  The  proportional  pressure  reducing  valve    conjunction with process controls allows economical solutions
                                                                                                                                   controls the pressure in port A (1).  With the solenoid deenergised,   with repeatable processes.  For machining the cartridge cavity in

              12     17    18     10  18     50  60   80   Attention!  For detailed cavity drawing and cavity tools see data
           MD=9Nm                                                                                                                  maximum  working  pressure  is  present.  If  the  solenoid  current    steel  and  aluminum  blocks,  cavity  tools  are  available  (hire  or


                                 60                                 sheet 2.13-1051                                                increases,  the  pressure  in  port  A  drops  (1).  The  valve  operates   purchase). Please refer to the data sheets in register 2.13.
                                88.6            27.1                                                                               practically  independently  of  the  pressure in  port  P  (2).  Pressure
                                  122.6                                                                                            increase in port A (1) to above the adjusted value, e.g. through an
       Dimensions of the solenoid coil see data sheet 1.1-183 and 1.1-184                                                          active consumer, is avoided by discharging excess oil to the tank
                                                                                                                                   (3). For the control, Wandfluh proportional amplifiers are available
       PARTS LIST                                          ACCESSORIES                                                             (see register 1.13).

        Position Article  Description                       Proportional amplifier           Register 1.13
            10 263.6...  Solenoid coil MK.45 / 18 x 60      Technical explanations           Data sheet 1.0-100
            12 154.2603  Knurled nut Ex M18 x 1,5 x 18      Filtration                       Data sheet 1.0-50
            15 253.8000  Manual override HB4,5
            17 160.2251  O-ring ID 25,07 x 2,62 (NBR)
            18 160.2170  O-ring ID 17,17 x 1,78 (NBR)                                                                              SYMBOL                                               ACTUATION
            50 160.2140  O-ring ID 14,00 x 1,78 (NBR)      MANUAL OVERRIDE
               160.8140  O-ring ID 14,00 x 1,78 (FKM)      HB4,5 as standard                                                             (A) 1                                           Actuation          Proportional solenoid, wet pin push
                                                                                                                                                                                                            type, pressure tight
            60 160.2093  O-ring ID 9,25 x 1,78 (NBR)                                                                                                                                     Execution          W.S37 / 19 x 50 (Data sheet 1.1-173)
               160.8092  O-ring ID 9,25 x 1,78 (FKM)                                                                                                                                                        M.S35 / 19 x 50 (Data sheet 1.1-174)
            80 160.2076  O-ring ID 7,65 x 1,78 (NBR)       SEALING MATERIAL                                                                                                              Connection         Connector socket EN 175301 – 803
               160.8076  O-ring ID 7,65 x 1,78 (FKM)
                                                           NBR or FKM (Viton) as standard, choice in the type code                   (P) 2  (T) 3                                                           Connector socket AMP Junior-Timer
           110 111.1080  Cable gland M20 x 1,5                                                                                                                                                              Connector Deutsch DT04 – 2P










                                                                                                                                   STANDARDS                                            INSTALLATION NOTES
                                                                                                                                    Cartridge cavity    Wandfluh standard                Mounting type      Screw-in cartridge type M16 x 1,5
                                                                                                                                    Solenoids           DIN VDE 0580                     Mounting position  Any, preferably horizontal
                                                                                                                                    Connection execution D  EN 175301 – 803              Tightening torque  M  = 30 Nm Screw-in cartridge
                                                                                                                                                                                                             D
                                                                                                                                    Protection class    EN 60 529                                           M  = 5 Nm knurled nut
                                                                                                                                                                                                             D
                                                                                                                                    Contamination efficiency  ISO 4406









                                                           Wandfluh AG  Postfach  CH-3714 Frutigen
                                                           Tel. +41 33 672 72 72  Fax +41 33 672 72 12  sales@wandfluh.com

                         www.wandfluh.com  Illustrations are not binding  Data subject to change  4/4  Edition: 21 21  2.3-602 E                      www.wandfluh.com  Illustrations are not binding  Data subject to change  1/4  Edition: 19 28  2.3-603 E
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