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


    DIMENSIONS                                                                                                                     Solenoid operated spool valve
    4/3-way spool valve (spring centring)                4/2-way spool valve (spring reset)                                        Flange construction                                  NG6
    4/2-way spool valve (impulse)                                                       9.5                                                                                             ISO 4401-03
                                                             110                                                                    ◆  4/2-way impulse execution, detented
                                                                                        5.2
                                                                                                                                    ◆  4/3-way with spring centered mid position        x II 2 G Ex db IIC T6, T4
                                                                         t=45 (K9)       MD= 5.2Nm
                                                                         t=47 (K10)       8                                         ◆  4/2-way with spring reset
                                                           96.8 (K9)   116.2 (K10)                                                  ◆  Q  = 80 l/min
                                                                                                                                       max
                                                                                                                                      p  = 350 bar
                                                                                                                                    ◆
                                                                                                                                       max
                                                                                          41        49
                                                              26
                                                                                                                                   DESCRIPTION
         10                                                                                                                        Spool valve according to data sheet 1.3-34 with additional inductive
                                                             12
                          258 (K9)                        MD=9Nm  17   18  10  18        70       40 MD=50Nm
                         262 (K10)
                                                                          60 (K9)    5                                             switching position monitoring. The contactless sensor transmits the
                                                                         62 (K10)




                 K9                    K10                              95 (K9)         68         12.6                            spool position to a step signal.
                                                                       97 (K10)
        s8                    s8                                               175.6 (K9)
                                                                              177.6 (K10)
       s2.5
                             s2.5
                                                         Dimensions of the solenoid coil, refer to data sheet 1.1-183, 1.1-183S    TYPE CODE
            42           94                    114       and 1.1-184                                                                                                                                  WD  Y  F  A06  -            -     #
                                 42                                                                                                 Spool valve, direct operated
            22.5                                                                                                                    Explosion proof execution, Ex d
                                 24
                  45                                                                                                                Flange construction
                                       47                  PARTS LIST
                                                                                                                                    International standard interface ISO NG6
                                                             Position Article  Description
                                                                 10 263.6...  Solenoid coil MK.45 / 18 x 60                         Other type designation according to type code data sheet 1.3-34
       HYDRAULIC CONNECTION                                      12 154.220.  Knurled nut Ex M18 x 1,5 x 30-K..                     Namur / Monitoring          single       Z104
                                                                110 111.1080  Cable gland M20 x 1,5                                                             double       Z72 / 104   (only 4/2-way spool valves)
                                 17.8                             - 251.2218  Seal kit WDYFA06                                      Design index (subject to change)
                            T                                                                                                       1.3-36
                        A       B                                                                    Seal kit consisting of
                    31                     21    32.5                    17    O-ring         ID 25,07 x 2,62
                                                                         18    O-ring         ID 17,17 x 1,78                      GENERAL SPECIFICATIONS                               Namur-Sensor Specifications:
                            P
                                                                         70    O-ring        ID   9,25 x 1,78                       Designation        4/2-, 4/3-spool valve
                          21.5                                                                                                      Construction       Direct operated                  Nominal voltage                                      8,2 VDC
                            40.5                                                                                                                                                        Operating voltage                                   7,7…9 VDC
                                                                                                                                    Mounting           Flange construction              Current consumption damped max.     1 mA
                                                                                                                                    Nominal size       NG6 according to ISO 4401-03     Current consumption undamped min. 4 mA
                                                                                                                                    Actuation          Switching solenoid               Admissible series resistor R                 550…1100 Ohm
       STANDARDS                                           INSTALLATION NOTES                                                                                                                               v
                                                                                                                                    Ambient temperature  L9: -25…+40 °C                 Switching frequency                              1000 Hz
       Explosion protection  Directive 2014 / 34 / EU (ATEX)  Mounting type    Flange mounting                                                         L15: -25…+70 °C                  Protection class                                      IP 68
       Flameproof enclosure  EN / IEC / UL 60079-1, 31                         4 fixing holes for                                   Weight             0,5 kg single flange                                                                                According to the connection
       Cable entry        EN 60079-0, 1, 7, 15, 31                             socket head screws M5 x 50                                              1,0 kg double flange                                                                                type, the protection class of the
       Mounting interface  ISO 4401-03                      Mounting position  Any, preferably horizontal                           MTTFd              150 years                                                                                           valve can be lower, see
       Protection class   EN 60 529                         Tightening torque  Fixing screws M  = 5,1 Nm (screw                                                                                                                                            data sheet 1.2-59
                                                                                           D
       Contamination      ISO 4406                                             quality A4)                                                                                              Dimensions                                              M12 x 1
       efficiency                                                              M  = 9 Nm knurled nut                                                                                    Ambient temperature                             -25…70 °C
                                                                                D
                                                                                                                                                                                        Fastening torque                                     15 Nm
                                                           Note!    The length of the fixing screw depends on the base                                                                  Peak pressure                                         500 bar
       ACCESSORIES                                                  material of the connection element.
       Technical explanations        Data sheet 1.0-100                                                                            SURFACE TREATMENT                                    ACCESSORIES
       Filtration                    Data sheet 1.0-50     Attention!  For stack assembly please observe the remarks in the         ◆  The valve body is painted with a two component paint
                                                                    operating instructions                                                                                               Mating connector (plug female, confectionable)
       Relative duty factor          Data sheet 1.1-430                                                                             ◆  All the other parts are zinc-nickel coated        straight, screw terminal    Article no. 219.2978
                                                                                                                                                                                         angled, screw terminal      Article no. 219.3003

                                                           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  4/4  Edition: 23 12  1.3-34S E                       www.wandfluh.com  Illustrations are not binding  Data subject to change  1/2  Edition: 21 07  1.3-36 E
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