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AK4x10
                                                                                                  Spool valve                                                                                                                     AK4x10


       TYPE CODE                                                                                                                   PERFORMANCE SPECIFICATIONS
                                                                                           A  K  4     -     #                     Oil viscosity u = 30 mm /s
                                                                                                                                                    2
       International standard interface ISO
                                                                                                                                    p = f (Q)  Performance limits                        Q  = f (Q)  Leakage volume flow characteristics
                                                                                                                                                                                          L
       Pneumatically operated                                                                                                                                                                       per control edge
                                                                                                                                                                                                 3
       Number of control ports                                                                                                          p [bar]                              J100/          Q [cm /min]
                                                                                                                                     350  K0413             Z100/D103        D101/D102/   300  K0304
                                                                                                                                                                             D104/D105
       Designation of symbols acc. to table                                                                                          300                                                  250
                                                                                                                                     250                                                  200
       Sealing material               NBR                                                                                            200                                                  150
                                      FKM (Viton)        D1                                                                          150                                                  100
                                                                                                                                     100
       Design index (subject to change)                                                                                               50                                                   50
       1.6-40                                                                                                                          0  0  10  20  30  40   50  60  70  80  Q [l/min]     0  0  50  100  150  200  250  300  350 p [bar]
       GENERAL SPECIFICATIONS                              ACTUATION

       Designation        4/2-, 4/3-spool valve             Actuation          Pneumatically operated                               Δp = f (Q)  Pressure drop volume-flow characteristics                       Volume flow direction
       Construction       Direct operated                   Execution          Actuation AKI
       Mounting           Flange construction               Pilot pressure     p V min  = 2.5 bar at p  = 20 bar                                                                         Symbol         P - A  P - B  P - T  A - T  B - T
                                                                                            T
       Nominal size       NG10 according to ISO 4401-05                        p V min  = 5 bar at p  = 200 bar                       20 p [bar]                                         Z100 / J100     2      2       -      2      2
                                                                                           T
                                                                                                                                         K0414
       Actuation          Pneumatically operated            Control volume     V = 10,7 cm 3                                                                                             D101 / Z101     2      2       -      2      2
       Ambient temperature  -25…+70 °C (NBR)                                                                                          15                                    3            D102 / Z102     2      2       -      1      1
                          -20…+70 °C (FKM)                                                                                            10                                    2            D103 / Z103     2      2      3       2      2
       Weight             3,8 kg (1 actuation)                                                                                                                              1            D104 / Z104     1      1       -      1      1
                          4,8 kg (2 actuations)            SEALING MATERIAL                                                            5                                                 D105 / Z105     1      1       -      2      2
       MTTFd              150 years                        NBR or FKM (Viton) as standard, choice in the type code                     0
                                                                                                                                        0       20       40      60       80  Q [l/min]

       HYDRAULIC SPECIFICATIONS                            MANUAL OVERRIDE
       Working pressure   p  = 350 bar                      In mechanical control head integrated. Actuation by pressing the pin
                           max                                                                                                     DIMENSIONS
       Tank pressure      p    = 200 bar
                           T max                                                                                                   4/3-way valve (spring centred)                       4/2-way valve (spring reset)
       Maximum volume flow  Q  = 80 l/min, see characteristics
                           max
                                                           SURFACE TREATMENT                                                       4/2-way valve (impulse)
       Leakage volume flow  See characteristics             ◆  The valve body is painted with a two component paint                                                                                           10.5
       Fluid              Mineral oil, other fluid on request  ◆  The pneumatic actuation, the cover and the socket head screws                                                                 G1/8"          7   MD= 9.5Nm
                               2
                                        2
       Viscosity range    12 mm /s…320 mm /s                  are zinc coated                                                                                                                                             7
       Temperature range   -20…+70 °C
       fluid                                               STANDARDS
       Contamination      Class 20 / 18 / 14                                                                                                                                              60                              55        60       62
       efficiency                                           Mounting interface  ISO 4401-05
       Filtration         Required filtration grade ß 10…16 ≥ 75,   Contamination   ISO 4406
                          see data sheet 1.0-50             efficiency                                                                 10                                                  40     10            50            20  30
                                                                                                                                                                                        MD= 9.5Nm                                  MD=9.5Nm
                                                                                                                                                                                                      57            93         18
                                                                                                                                                         225                                                   177
       INSTALLATION NOTES                                  ACCESSORIES
                                                                                                                                   HYDRAULIC CONNECTION                                 PARTS LIST
                                                            Fixing screws                Data sheet 1.0-60
       Mounting type      Flange mounting
                          4 fixing holes for                Threaded subplates           Data sheet 2.9-40                                                 54                            Position Article  Description
                          socket head screws M6 x65         Multi-station subplates      Data sheet 2.9-70                                                                                    10 254.5000  Pneumatic actuation AK I
                                                                                                                                                          P
       Mounting position  Any, preferably horizontal        Horizontal mounting blocks   Data sheet 2.9-110                                                                                   20 059.2201  Cover
       Tightening torque  M  = 8,9 Nm (screw quality 8.8,   Technical explanations       Data sheet 1.0-100                                           A        B        1.5    16.8           30 246.3121  Socket head screw M6 x 20 DIN 912
                            D
                          zinc-coated) Fixing screws                                                                                            46                         9.7
                                                            Hydraulic fluids             Data sheet 1.0-50                                                                                    40 246.3166  Socket head screw M6 x 65 DIN 912
                                                                                                                                                    T            To
       Note!   The length of the fixing screw depends on the base   Filtration           Data sheet 1.0-50                                                                                    50 160.2140  O-ring ID 14,00 x 1,78 (NBR)
               material of the connection element.                                                                                                         20.8
                                                                                                                                                         24                             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  2/3  Edition: 16 29  1.6-40 E                      www.wandfluh.com  Illustrations are not binding  Data subject to change  3/3  Edition: 16 29  1.6-40 E
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