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


       DIMENSIONS                                                                                                                  Solenoid operated spool valve stainless
       4/3-way valve (spring centred)                      4/2-way valve (spring reset)                                            Flange construction                                  NG6
       4/2-way valve (impulse)                                                                                                                                                          ISO 4401-03
                                                                                                                                    ◆  4/2-way impulse execution, detented
                                                                                                9.5                                 ◆  4/3-way with spring centred mid position
                 A                     B                                     A
                                                                                                5.5   MD= 5.2Nm                     ◆  4/2-way with spring reset
                                                                                                                                    ◆  Q  = 50 l/min
                                                                                                                                       max
                                                              83                                      8                             ◆  p  = 350 bar
                                                                                                                                       max
                                                               45                                       49
                                                                W =                                   41
                                                                                                                                   DESCRIPTION                                          APPLICATION
             10                                                                                                                    Direct operated solenoid spool valve with 4 connections in 5 cham-  Spool valves are mainly used for controlling direction of movement
                             208                               70   60   10          50
                                                             MD= 5Nm                                                               ber design. With the solenoids deenergised, the spool is held in the   and stopping of hydraulic cylinders and motors. The direction of
                                                                     20      51          68      13
                                                                                                                                   center position by the spring (4/3), or switched back to the offset   movement is determined by the position of the spool and its symbol.
                                                                                   152
         HF1                      HS1                                                                                              position (4/2). With the impulse spool (4/2), the spool is held in the   The stainless execution is especially suitable for the use in wet and
                51                      57                                                                                         switching position by the detent.                    salty environment.







                 37                       37                              A
                       80                       90
                                                              86
                                                               45                                                                  SYMBOL
                                                                M =
                                                                                                                                              AB3                     AB1                    AB2
                                                                                                                                             A B                        A B               A B
                                                                         10                                                             a     b                     a    b                a     b
                                                                                                                                    a                b         a               b      a
                                                                     17     53                                                                                                                         b
                                                                                   152                                                       P T                        P T               P T
                                                                                                                                             ACB                      AC1                    CB2
                                                                                                                                             A B                        A B               A B
       HYDRAULIC CONNECTION                                PARTS LIST                                                                    a    o    b                a    b                  a   b
                                                             Position Article  Description                                          a        P T         b     a        P T    b      a   P T          b
                                 17.8
                                                                 10 206.1...  W.E45 / 23 x 50                                                ADB                                             DB2
                            T                                                                                                                                         AD1
                                                                    206.7...  M.S45 / 23 x 50                                                A B                        A B               A B
                        A       B                                50 160.2093  O-ring ID 9,25 x 1,78 (NBR)                                a    o    b                a     b                 a   b
                    31                     21    32.5               160.6092  O-ring ID 9,25 x 1,78 (FKM)                           a                    b    a                b      a                b
                                                                                                                                             P T                        P T               P T
                            P                                    60 160.2222  O-ring ID 22,22 x 2,62 (NBR)
                                                                                                                                             BEA
                          21.5                                      160.6222  O-ring ID 22,22 x 2,62 (FKM)                                   A B                      BE1 A B             A B EA2
                            40.5                                 70 154.2701  Knurled nut M23 x 1,5 x 19,7
                                                                                                                                          a   o     b                a    b                 a     b
                                                                 80 253.7004  Push-button                                           a                    b     a                b     a                b
                                                                 90 253.7002  Spindle                                                        P T                        P T               P T



                                                                                                                                   GENERAL SPECIFICATIONS                               ACTUATION
       MANUAL OVERRIDE                                     SURFACE TREATMENT
       ◆  Integrated (–) Actuation pin integrated in the armature tube.   Standard:                                                 Designation        4/2-, 4/3-spool valve             Actuation          Switching solenoid, wet pin push type,
         Actuation by pressing the pin                     -The valve body is painted with a two component paint                    Construction       Direct operated                                      pressure tight
       ◆  Push-button (HF1) Integrated in the knurled nut. Actuation by   -The armature tube, the slip-on coil and the plug screw are zinc-ni-  Mounting  Flange construction            Execution          W.E45 / 23 x 50  (Data sheet 1.1-182)
         pressing the push-button                          ckel coated                                                              Nominal size       NG6 according to ISO 4401-03                         M.S45 / 23 x 50 (Data sheet 1.1-181)
       ◆  Spindle (HS1) Integrated in the knurled nut. Actuation by turning                                                         Actuation          Switching solenoid                Connection         Connector socket EN 175301 – 803
         the spindle (continuously variable valve actuation)  Optionally (K8):                                                      Ambient temperature  -25…+70 °C                                         Connector socket AMP Junior-Timer
       Attention!  The actuation of the manual override is possible up to a   -All external parts are zinc-nickel coated                               if > +50 °C, then no undervoltage is                 Connector Deutsch DT04 – 2P
               tank pressure of:                           ISO 9227 (800 h) salt spray test                                                            admissible
               40 bar Integrated (–)                                                                                                Weight             1,53 kg (1 solenoid Economy)
               40 bar Push-button (HF1)
               100 bar Spindle (HS1)                                                                                                                   2,07 kg (2 solenoids Economy)
                                                                                                                                    MTTFd              150 years

                                                           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: 19 49  1.2-59 E                     www.wandfluh.com  Illustrations are not binding  Data subject to change  1/4  Edition: 22 48  1.2-59S E
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