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


       TYPE CODE                                                                                                                   ELECTRICAL SPECIFICATIONS                            SURFACE TREATMENT
                                                                WD  Y  F  A06  -     -     /     /     -        #                   Protection class   IP65 / 66 / 67                   -The valve body, the cover and the socket head screws are made of
       Spool valve direct operated                                                                                                  Relative duty factor  100 % DF                      stainless steel
                                                                                                                                                                                        -The slip-on coil and the armature tube are zinc nickel coated
       Explosion proof execution Ex d                                                                                               Switching frequency  12'000 / h                     Optionally K10:
                                                                                                                                    Voltage tolerance  ± 10 % with regard to nominal voltage  -The coil is made of stainless steel
       Flange construction                                                                                                          Standard nominal   12 VDC, 24VDC, 115 VAC, 230 VAC
                                                                                                                                    voltage            AC = 50 to 60 Hz ± 2 %, with built-in
       International standard interface ISO, NG6                                                                                                                                        SEALING MATERIAL
                                                                                                                                                       two-way rectifier
       Designation of symbols acc. to table                                                                                         Standard nominal   9 W, 15 W, 17 W                  NBR or FKM (Viton) as standard, choice in the type code
                                                                                                                                    power
       Nominal voltage U N     12 VDC   G12    115 VAC   R115                                                                                                                           INBETRIEBNAHME
                               24 VDC   G24    230 VAC   R230                                                                       Temperature class  Nominal power 9 W: T1…T6                  The solenoid coil must only be put into operation, if the
                                                                                                                                                       Nominal power 15 W / 17 W: T1…T4  Attention!
                                               Ambient temperature up to:                                                                   Other electrical specifications see data sheet 1.1-183,   requirements of the operating instructions supplied are
       Nominal power P N         9 W     L9    40 °C or 90 °C                                                                      Note!                                                         observed to their full extent. In case of non-observance,
                                 15 W   L15    70 °C                                                                                        1.1-183S and 1.1-184                                 no liability can be assumed.
                                 17 W   L17    70 °C (only UL / CSA)

       Certification   ATEX, IECEx, CCC, EAC                                                                                       PERFORMANCE SPECIFICATIONS
                              Australia   AU   UL / CSA   UL                                                                                        2
                                 MA     MA                                                                                         Oil viscosity u = 30 mm /s
                                                                                                                                    p = f (Q)  Performance limits                        p = f (Q)  Performance limits L9
       Sealing material          NBR                                                                                                          Measured with nominal voltage -10%                   Measured with nominal voltage -10%
                            FKM (Viton)   D1
                              NBR 872   y-Z604   (only with 15 W)                                                                             at 50 °C (steady-state temperature)                  at 40 °C (steady-state temperature)
                                                                                                                                                                                                   Execution L9 90 °C on request
       Stainless            with K8 coil   K9
                            with K9 coil   K10   (not for UL execution)                                                                p [bar]               AB1 / AB2  ADB ACB AB3/BEA     p [bar]                      ADB  ACB  AB3
                                                                                                                                      350  K4196                                          350  K4197
       Design index (subject to change)                                                                                               300                                                 300
       1.3-34S                                                                                                                        250                                                 250                   AB1 / AB2
                                                                                                                                      200                                                 200
                                                                                                                                      150                                                 150
       GENERAL SPECIFICATIONS                              HYDRAULIC SPECIFICATIONS                                                   100                                                 100
                                                                                                                                      50                                                   50
       Designation        4/2-, 4/3-spool valve             Working pressure   p  = 350 bar
                                                                                max                                                    0                                     Q [l/min]      0                                     Q [l/min]
       Construction       Direct operated                   Tank pressure      p   = 200 bar                                            0      10     20     30     40     50                0     5    10    15    20    25   30
                                                                                T max
       Mounting           Flange construction               Maximum volume flow  Q  = 50 l/min, see characteristics
                                                                                max
       Nominal size       NG6 according to ISO 4401-03      Leakage oil        See characteristics
       Actuation          Ex-protection switching solenoid  Fluid              Mineral oil, other fluid on request                  Δp = f (Q)  Pressure drop volume flow characteristic                        Volume flow direction
       Ambient temperature  Operation as T6                 Viscosity range    12 mm /s…320 mm /s                                             per control edge                           Symbol         P-A    P-B     P-T    A-T    B-T
                                                                                            2
                                                                                   2
                          -25…+40 °C (L9)                   Temperature range   Operation as T6                                        p [bar]                                           AB1 / AB3       2      2       -      3      3
                          Operation as T4                   fluid              NBR -25…+40 °C (L9)                                    20  K4291                            4             ACB             1      1       -      2      2
                          -25…+90 °C (L9)                                      FKM -20…+40 °C (L9)                                    18                                   3             ADB             1      1       -      1      1
                                                                                                                                      16
                          -25…+70 °C (L15 / L17)                               Operation as T4                                        14                                   2 1
                                                                                                                                      12
                          -40…+70 °C (L15 / L17)                               NBR -25…+70 °C (L9 or L15 / L17)                       10                                                 BEA             1      1      4       2      2
       Weight             2,8 kg (1 solenoid)                                  FKM -20…+70 °C (L9 or L15 / L17)                       8 6
                          4,6 kg (2 solenoids)                                 NBR 872 -40…+70 °C (L15 / L17)                         4 2
                                                                                                                                                                                          L
       MTTFd              150 years                         Contamination      Class 20 / 18 / 14                                     0  0  5  10  15  20  25  30  35  40  45  50  Q [l/min]  Q  = f (Q)  Leakage volume flow characteristics
                                                                                                                                                                                                   P → T
                                                            efficiency
                                                                                                                                                                                                 3
                                                            Filtration         Required filtration grade ß 10…16 ≥ 75,                                                                      Q  [cm /min]
                                                                                                                                                                                             L
                                                                               see data sheet 1.0-50                                                                                      300  K4199
                                                                                                                                                                                          250
                                                                                                                                   Note!    With the L15 / L17 execution for ambient temperatures                               BEA
                                                                                                                                            up to 70 °C, the  performance specifications have been   200
                                                                                                                                            evaluated with an ambient temperature of 50 °C  150                                 AB1 / AB2
                                                                                                                                                                                          100                                   AB3
                                                                                                                                   Attention!  For valves for the temperature ranges „-40 °C to…”   50                          ACB / ADB
                                                                                                                                            (Z604) the leakage volume flow can be up to eight times   0                           p [bar]
                                                                                                                                            higher.                                          0    50  100  150  200  250  300  350





                         www.wandfluh.com  Illustrations are not binding  Data subject to change  2/4  Edition: 23 12  1.3-34S E                      www.wandfluh.com  Illustrations are not binding  Data subject to change  3/4  Edition: 23 12  1.3-34S E
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