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Proportional spool valve
                                                                                     Proportional spool valve                                                                                                     Proportional spool valve


       Connection example                                                                                                          DIMENSIONS                                           HYDRAULIC CONNECTION
                                                         A    B                                                                                                                         Cavity drawing according to Wandfluh standard
                                                x                       y
                                                                                                                                                                                                              M42x2
                                                         P    T
                                                                                                                                                                                                                     (x)
                                                                                                                                                   s 41
                                   MDPPM16                               MDPPM16
                                                                                                                                                                                                                     (4)
                                                                                                                                               41
                                                                                                                                             M D  = 80...100 Nm        70                                            (3)
                                                                                                                                                   Ø 48
                                                                                                                                                                                                                     (2)
                                                                                                                                                                  x
                                                                                                                                                                  M42 x 2                                            (1)

       GENERAL SPECIFICATIONS                              HYDRAULIC SPECIFICATIONS                                                                               T
       Designation        Proportional spool valve          Working pressure   p   = 315 bar                                                                                                                   (y)
                                                                                max
       Construction       Pilot operated                    Tank pressure      p T max  = 100 bar                                                                 A                     Note!         For detailed cavity drawing and cavity tools see data
       Mounting           Screw-in cartridge construction   Maximum volume flow  Q   = 250 l/min, see characteristics                                                                            sheet 2.13-1052
                                                                                 max
       Nominal size       M42 x 2 according to Wandfluh     Nominal volume flow  Q  = 150 l/min                                                                        139
                                                                                N
                          standard                          Leakage oil        P → T (at 200 bar): < 0,5 l/min                                                    P
       Actuation          Pilot valve                       Fluid              Mineral oil, other fluid on request
       Ambient temperature  -30…+90 °C                      Viscosity range    12 mm /s…320 mm /s                                                                 B
                                                                                            2
                                                                                   2
       Weight             1,4 kg                            Temperature range   -25…+70 °C (NBR)
       MTTFd              150 years                         fluid              -20…+70 °C (FKM)
                                                            Contamination      Class 18 / 16 / 13                                                           y
                                                            efficiency
                                                            Filtration         Required filtration grade ß 6…10 ≥ 75,
                                                                               see data sheet 1.0-50                               ACCESSORIES                                          ACTUATION
       PERFORMANCE SPECIFICATIONS                                                                                                   Proportional pressure valves  Register 2.3           Actuation          Pilot control
       Oil viscosity u = 30 mm /s                                                                                                   Proportional amplifier       Register 1.13           Minimum pilot pressure 4,5 bar
                       2
                                                                                                                                                                                         Maximum pilot
                                                                                                                                                                                                            30 bar
       ∆p = f (Q)  Pressure drop volume flow characteristic  Q= f (p )  Volume flow pressure characteristics                        Technical explanations       Data sheet 1.0-100
                                                                 v                                                                                                                       pressure
                                                                      ∆p = 20 bar                                                   Filtration                   Data sheet 1.0-50
          ∆p [bar]                                             Q [l/min]
         25  K1044                   P - A / P - B            150  K1045                            P - B
                                 B - T       A - T                                                  P - A
         20                                                   125
                                                                                                                                   INSTALLATION NOTES                                   SURFACE TREATMENT
         15                                                   100                                                                                                                       The external parts of the cartridge body are zink / nickel coated
         10                                                   50                                                                    Mounting type      Screw-in cartridge M42 x 2
                                                                                                                                    Mounting position  Any, preferably horizontal
          5                                                   25
                                                                                                                                    Tightening torque  M = 80…100 Nm Screw-in cartridge
          0                                                    0                                                                                        D
           0    50    100  150   200   250   300  Q [l/min]     0      5      10     15     20     25 p [bar]

       Q= f (p)   Volume flow pressure characteristics                                                                             STANDARDS                                            SEALING MATERIAL
                  p  = 16 bar                                                                                                                                                           NBR as standard
                   v                                                                                                                Mounting interface  Wandfluh standard
           Q [l/min]                                                                                                                Contamination      ISO 4406
         225  K4279                                                                                                                 efficiency
         200                                   P - B / A - T
         175
         150                                   P - A / B - T
         125
         100
          75
          50
            0   50   100  150  200  250  300  350  p [bar]
                                                                                                                                                                                        Wandfluh AG  Postfach  CH-3714 Frutigen
                                                                                                                                                                                        Tel. +41 33 672 72 72  Fax +41 33 672 72 12  [email protected]

                       www.wandfluh.com  Illustrations are not binding  Data subject to change  2/3  Edition: 22 09  1.10-2410 E                   www.wandfluh.com  Illustrations are not binding  Data subject to change  3/3  Edition: 22 09  1.10-2410 E
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