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Solenoid operated spool valve
                                                                                     Solenoid operated spool valve


            DIMENSIONS
            4/3-way valve (spring centred)                       4/2-way valve (spring reset)
            4/2-way valve (impulse)

                      A                   B
                                                                                    A                 9.5
                                                                                                      5.2
                                                                                                       MD= 5.2Nm
                                                                                                               6
                                                                   77
                                                                     37                                         38
                                                                      V =                                      32

                 10                                                                                   3        2.5
                               173 Economy                              70   60   10
                             193 Medium
                                                                     MD= 5Nm       40 Economy
                HF1                 HS1                                       18   50 Medium   57     8
                     43                   44                                            123 Economy
                      30                   30                                         133 Medium
                            80
                                                 90
                                                                                A

                                                                   77
                                                                     35
                                                                      N =


                                                                                  10
                                                                           15      53
                                                                                          133


            HYDRAULIC CONNECTION                                 MANUAL OVERRIDE
                                                                  ◆  Integrated (–) Actuation pin integrated in the armature tube.
                          50   55      14.5                        Actuation by pressing the pin
                                                                  ◆  Push-button (HF1) Integrated in the knurled nut. Actuation by
                                     T
                                                                   pressing the push-button
                                               6.5                ◆  Spindle (HS1) Integrated in the knurled nut. Actuation by turning
                           22.5    18   A  B     24                the spindle (continuously variable valve actuation)
                                                                 Attention!  The actuation of the manual override is possible up to a
                                      P                                   tank pressure of:
                                     15.4                                 40 bar Integrated (–)
                                      24                                  40 bar Push-button (HF1)

                                                                          100 bar Spindle (HS1)
            PARTS LIST                                           STANDARDS
              Position Article  Description                       Mounting interface    ISO 4401-02
                  10 206.2...  V.E37 / 19 x 40                    Solenoids             DIN VDE 0580
                             V.E37 / 19 x 50                      Connection execution D  EN 175301 – 803
                     260.5...  N.S35 / 19 x 50                    Protection class      EN 60 529
                  50 160.2060  O-ring ID 6,07 x 1,78 (NBR)        Contamination efficiency  ISO 4406
                     160.6061  O-ring ID 6,07 x 1,78 (FKM)
                  55 160.2076  O-ring ID 7,65 x 1,78 (NBR)
                     160.6076  O-ring ID 7,65 x 1,78 (FKM)
                  60 160.2187  O-ring ID 18,72 x 2,62 (NBR)
                     160.6187  O-ring ID 18,72 x 2,62 (FKM)
                  70 154.2700  Knurled nut
                  80 253.7001  Push-button
                  90 253.7000  Spindle                           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  5/5  Edition: 21 40  1.2-53 E
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