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BH4x4
                                                                                                  Spool valve                                                                                                                      BH4x4


       SINNBILD                                                                                                                    PERFORMANCE SPECIFICATIONS
       Overview valves
                                                                                                                                   Oil viscosity u = 30 mm /s
                                                                                                                                                    2
                A    B                       A    B
                                                                                                                                    p = f (Q)  Performance limits                        Q  = f (Q)  Leakage volume flow characteristics per control
                                                                                                                                                                                          L
              a    0   b                   a    b                                                                                                                                                  edge
        a                    b       a                b                                                                                 p [bar]
                P    T                       P    T                                                                                  350  K0098                               Z40           Q [cm /min]
                                                                                                                                                                                                3
                                                                                                                                                                              Z41/D41      60  K0263_2
                                                                                                                                     300                                      Z42/D42
                A    B                                             A   B                                                                                                      Z45/D45      50
                                                                                                                                     200                                                   40
              a    0   b                                             a   b
        a                    b                                a                 b                                                                                             Z43/D43      30
                P    T                                             P   T                                                             100                                      Z44/D44      20
                                                                                                                                       0                                                   10
                A    B                       A    B                                                                                      0       5       10       15      20  Q [l/min]     0
                                                                                                                                                                                                      100
                                                                                                                                                                                                  50
                                                                                                                                                                                                           150
              a    0   b                   a    b                                                                                                                                            0  J40/Z40/D41/D42/D44/D45  200  250  300  350  p [bar]
        a                      b     a                b                                                                                                                                         D43
                P    T                       P    T
                                                                                                                                    Δp = f (Q)  Pressure drop volume flow characteristics                       Volume flow direction
                A    B                                             A   B
                                                                                                                                        p [bar]                                          Symbol         P - A  P - B  P - T  A  - T  B - T
              a    0   b                                             a   b                                                                                                6
       a                     b                                a                 b                                                     30  K0099                                          Z40             5      5       -      2      2
                P    T                                             P   T                                                              25                                   5             D41 / Z41       5      5       -      2      2
            Overview spool types                                                                                                      20                                   4
                                                                                                                                      15                                   3             D42 / Z42       5      5       -      2      2
                                               A B                  A B                                                               10                                   2 1           D43 / Z43       4      4      6       1      1
                                          a     b     Z40a          a     b    Z40b                                                    5                                                 D44 / Z44       4      4      3       1      1
                                         a         b              a          b
                                               P T                  P T                                                                0                                                 D45 / Z45       4      4       -      2      2
                                               A B                  A B                                                                 0        5       10      15       20  Q [l/min]
                 A B
             a     o   b     D41a /       a     b    Z41a            a    b   Z41b
           a              b  D41b        a         b              a          b
                 P T                           P T                  P T
                                               A B                  A B
                 A B
                   o         D42a /             b    Z42a            a        Z42b
             a         b                  a                               b
           a              b  D42b        a         b              a          b
                 P T                           P T                  P T                                                            DIMENSIONS                                           PARTS LIST
                                               A B                  A B                                                                                                                  Position Article  Description
                 A B
                             D43a /                  Z43a                     Z43b
              a    o    b                   a   b                    a     b                                                                                                                 10 253.2000  Hand control head BHII
           a               b  D43b      a          b              a          b
                 P T                           P T                  P T                                                                                                                      30 246.1126  Socket head screw M4 x 25 DIN 912
                                               A B                  A B
                 A B
                   o         D44a /             b     Z44a           a        Z44b                                                                                                           40 246.1161  Socket head screw M4 x 60 DIN 912
             a         b                  a                               b
           a              b  D44b        a         b              a          b                                                                                                               50 238.1100  Screw plug M10 x 1 DIN 7604A
                 P T                           P T                  P T                                                                                                                         239.1102  Screw plug
                                               A B                  A B                                                                                                                      60 049.1100  Copper seal ring NG10 x 13.5 x 1.4 DIN7603
                 A B
                   o         D45a /             b    Z45a            a        Z45b                                                    152
             a         b     D45b         a                               b                                                                                                                  80 160.2052  O-ring ID 5,28 x 1,78 (NBR)
           a              b             a          b              a          b                                                                                 MD= 5.2Nm    50
                 P T                           P T                  P T                                                                                  9.5                60          Note!    Screw plug 238.0201 for spring centred execution
                                                                                                                                                          5.2    6                               Screw plug 239.2000 for detented execution
                                                                                                                                                                                                 Pos. 60 only for screw plug 239.2000
                                                                                                                                                                            35   38
                                                                                                                                                                 32
                                                                                                                                        40          10      80              30          ACTUATION
                                                                                                                                     MD= 2.6Nm                               MD=2.6Nm
                                                                                                                                                    39                                   Actuation          Hand lever
                                                                                                                                                   54          54      19                Actuation angle    a  = 5,7° / side
                                                                                                                                                                                                             b
                                                                                                                                                          135                            Actuation force    F  = 15 - 20 N
                                                                                                                                                                                                            b








                           www.wandfluh.com  Illustrations are not binding  Data subject to change  2/4  Edition: 16 33  1.5-20 E                      www.wandfluh.com  Illustrations are not binding  Data subject to change  3/4  Edition: 16 33  1.5-20 E
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