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Solenoid operated spool valve
                                                                                Solenoid operated spool valve                                                                                                Solenoid operated spool valve


       PERFORMANCE SPECIFICATIONS                                                                                                  DIMENSIONS
       Oil viscosity u = 30 mm /s                                                                                                  4/3-way valve (spring centred)                       4/2-way valve (spring reset)
                       2
       p = f (Q)  Performance limits                        Q  = f (Q)  Leakage volume flow characteristics                                     A            X     B                                      A  130 140  E     MD= 10.5Nm   (8.8)
                                                             L
                  Measured with nominal voltage -10 %                 per control edge                                                                                                                                         13.5Nm (10.9)
                                                                    3
           p [bar]                                              Q [cm /min]                                                                                                               104.5
         350  K4109                              AFB / BEA   250  K4111                                                                                                                    64                                       70
         300                                     ADB / ACB   200                                                                                                                            W =
         250                  AB1 / AB2                                                                                                                                                                                          29
         200                                                 150                                                                           10
         150                                                 100                                                                                                                          70    60  10          50     6.5
         100                                                                                                                                              307                            MD=5Nm                       11.5
          50                                                  50                                                                         HF1                  HS1                                35     72          93.2    14.1
           0                                                   0                                                                             64.9                 71.4                                       214.3
            0    20    40    60   80    100  120 Q [l/min]       0   50   100  150  200  250  300  350 p [bar]                                51.4                 51.4
                                                                                                                                                   80                                                                       30
       Δp = f (Q)  Pressure drop volume flow characteristics                       Volume flow direction                                                                 90                          A
           p [bar]                                          Symbol         P - A  P - B  P - T   A -T  B - T
         20  K4110                              1           AB1 / AB2        4      4      -      2      1                                                                                105.8
                                                2                                                                                           X                                              60                                       76
         15                                     3           ACB              5      5      -      4      3                                                                                  M =
                                                4                                                                                       *
         10                                     5           ADB              5      5      -      4      3
                                                6           BEA              5      5      3      5      4                                                                                          10
          5                                     7                                                                                                                                                                           68
                                                            AFB              6      6      7      7      7
          0                                                                                                                                                                                      35     72
            0    20    40   60    80   100   120 Q [l/min]                                                                                                                                                   214.3
                                                                                                                                   *optionally spindle                                  E = Air bleed screw

                                                                                                                                                                                        Orifices in valve body influence the switching times
                  Switching  times, influence of the soft switching     Switching times, influence of the soft switching
                  Switching on the solenoid                           Switching off the solenoid
                  Measured with WWMFA10-ACB-G24 in comparison         Measured with WWMFA10-ACB-G24 compared
                  with WDMFA10-ACB-G24 at Q = 90 l/min                with WDMFA10-ACB-G24 at Q = 90 l/min                         HYDRAULIC CONNECTION                                 PARTS LIST

           U [V]                                                U [V]                                                                                                                    Position Article  Description
          24                                                  24                                                                                           54                                 10 206.3…   W.E64 / 31 x 72
          0                                                    0                                                                                          P                                      260.9…  M.S60 / 31 x 72
            p  [bar]     WDMFA10-ACB (stark systemabhängig)     p  [bar]     WDMFA10-ACB (stark systemabhängig)
         300  E  K4112                                       300  E  K4113                                                                                              1.5    16.8           50 160.2120  O-ring ID 12,42 x 1,78 (NBR)
         250                                     Düse 0,8    250                                     Düse 0,8                                   46    A        B           9.7                   160.8124  O-ring ID 12,42 x 1,78 (FKM)
         200                                                 200
         150                                     Düse 0,5    150                                     Düse 0,3                                       T            To                           60 160.2282  O-ring ID 28.24 x 2.62 (NBR)
         100                                                 100                                                                                                                              70 154.2706  Knurled nut
          50                                     Düse 0,3     50                                     Düse 0,5                                              20.8
           0                                                   0                                                                                                                              80 253.7006  HF1-M24
               0  0.1 0.2 0.3  0.4 0.5  0.6 0.7 0.8  0.9  1 t [s]     0  0.1 0.2 0.3  0.4 0.5  0.6 0.7 0.8  0.9  1 t [s]                                 24
                                                                                                                                                                                              90 253.7005  HS1-M24

       Note!   With the option spindle «S», the switching time can be                                                                                                                        130 246.3006  Socket head screw M6 x 20 DIN 912
               adjusted individually.                                                                                                                                                        140 049.2062  Bonded seal ID 4,1 x 7,2 x 1



















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                           www.wandfluh.com  Illustrations are not binding  Data subject to change  4/5  Edition: 22 09  1.4-42 E                      www.wandfluh.com  Illustrations are not binding  Data subject to change  5/5  Edition: 22 09  1.4-42 E
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