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BP4x4
                                                                                                  Spool valve                                                                                                                       BP4x4


       TYPE CODE                                                                                                                   PERFORMANCE SPECIFICATIONS
                                                                                                                                                    2
                                                                                           B  P  4     -     #                     Oil viscosity u = 30 mm /s
       Mounting interface acc. to Wandfluh standard                                                                                 Δp = f (Q)  Pressure drop volume flow characteristics                       Volume flow direction
       Hydraulically operated                                                                                                           p [bar]                                          Symbol         P - A  P - B  P - T  A - T  B - T
                                                                                                                                      30  K0101                                          J40 / Z40       3      3       -      2      2
       Number of control ports                                                                                                        25                                    3            D41             3      3       -      2      2
                                                                                                                                      20
       Designation of symbols acc. to table                                                                                                                                              D42             3      3       -      1      1
                                                                                                                                      15                                    2 1
       Sealing material               NBR                                                                                             10
                                      FKM (Viton)        D1                                                                            5
                                                                                                                                       0
       Design index (subject to change)                                                                                                 0        5       10      15       20  Q [l/min]
       1.7-20

                                                                                                                                   DIMENSIONS                                           HYDRAULIC CONNECTION
       GENERAL SPECIFICATIONS                              HYDRAULIC SPECIFICATIONS

       Designation        4/2-, 4/3-spool valve             Working pressure   p  = 350 bar
                                                                                max                                                                               9.5
       Construction       Direct operated                   Tank pressure      p T max  = 90 bar                                                               5.2
       Mounting           Flange construction                                  Resp. 10 bar lower than the control                                                     MD= 5.2Nm                             28
       Nominal size       NG4-Mini according to Wandfluh                       pressure                                                                                           6                          14
                          standard                          Maximum volume flow  Q  = 20 l/min, see characteristics
                                                                                max
       Actuation          Hydraulically operated                                                                                     35   30   G1/8"                       G1/8"   32   38                  P
       Ambient temperature  -25…+70 °C                      Leakage oil        See characteristics                                                                                                       A       B       14    27
       Weight             0,69 kg                           Fluid              Mineral oil, other fluid on request                                                                                     T           T0
                                                                                            2
                                                                                   2
       MTTFd              150 years                         Viscosity range    12 mm /s…320 mm /s
                                                            Temperature range   -25…+70 °C (NBR)                                        10   20       30
                                                            fluid              -20…+70 °C (FKM)                                              MD=2.6Nm
                                                            Contamination      Class 20 / 18 / 14                                              18           54          18
       ACTUATION                                            efficiency                                                                                      91
                                                            Filtration         Required filtration grade ß 10…16 ≥ 75,
       Actuation          Hydraulically operated                               see data sheet 1.0-50
       Pilot pressure     p  = 10 bar                                                                                              PARTS LIST                                           ACCESSORIES
                           min
                          p  = 100 bar                                                                                               Position Article  Description                       Fixing screws               Data sheet 1.0-60
                           max
       Control volume     V = 0,16 cm 3                                                                                                  10 057.4600  Cover                              Threaded subplates          Data sheet 2.9-10
                                                                                                                                         30 246.1113  Socket head screw M4 x 12 DIN 912  Multi-station subplates     Data sheet 2.9-50
                                                                                                                                         50 160.2052  O-ring ID 5,28 x 1,78 (NBR)        Horizontal mounting blocks  Data sheet 2.9-90
       PERFORMANCE SPECIFICATIONS                                                                                                                                                        Technical explanations      Data sheet 1.0-100
       Oil viscosity u = 30 mm /s
                       2
                                                                                                                                                                                         Filtration                  Data sheet 1.0-50
       p = f (Q)  Performance limits                        Q  = f (Q)  Leakage volume flow characteristics
                                                             L
                                                                      per control edge
                                                                   3
           p [bar]                                Z40          Q  [cm /min]                                                        SEALING MATERIAL                                     STANDARDS
        350  K0097                                J40         80  K0125                                                            NBR or FKM (Viton) as standard, choice in the type code  Mounting interface  Wandfluh standard
        300                                                   60                                                                                                                         Contamination      ISO 4406
        250                                       D41*
        200                                       D42*        40                                                                                                                         efficiency
        150
        100                                                   20                                                                   INSTALLATION NOTES                                   SURFACE TREATMENT
         50
          0                                                    0  0   50   100   150   200   250       300      350                 Mounting type      Flange mounting                   ◆  The valve body is coated with a two component paint
            0        5       10      15       20  Q [l/min]        J40/Z40/D41/D42/D44/D45             p [bar]                                         3 fixing holes for                ◆  The covers and the screws are zinc coated
                                                                   D43                                                                                 socket head screws M5 x 40
                                                                                                                                    Mounting position  Any, preferably horizontal
                                                                                                                                    Tightening torque  Fixing screws M  = 5,2 Nm (screw
                                                                                                                                                                   D
                                                                                                                                                       quality 8.8, zinc coated)
                                                                                                                                   Note!    The length of the fixing screw depends on the base
                                                                                                                                            material of the connection element.
                                                                                                                                                                                        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: 21 30  1.7-20 E                      www.wandfluh.com  Illustrations are not binding  Data subject to change  3/3  Edition: 21 30  1.7-20 E
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