Page 130 - Softbound_Edition_19_en
P. 130

Overview
            A  B                                                                                   Over-view                                                                                                                       BM4x3
                                                                               Solenoid operated spool valves
          a  0   b                                                             Solenoid operated spool valves
            P T
                                                                                                                                   Solenoid operated spool valve
            A  B Size                                                                                                                                                                   NG3-Mini
         a             NG3-Mini         NG4-Mini          NG4 ISO            NG6 ISO           NG10 ISO                            Flange construction
       Symbol                                                                                                                       ◆  4/2-way impulse execution, detented
            P T
             A    B                                                                                                                 ◆  4/3-way with spring centred mid position
            0
          a    A  B    b                                                WDMFA06-ALB-Z57                                             ◆  4/2-way with spring reset
             0
                                                                                                                                       max
         a   P T  b                                                                                                                 ◆  Q  = 15 l/min

                                                                                                                                    ◆  p  = 350 bar
                 P T                                                                                                                   max
            A   B                   B.4D40-S306                         WDMFA06-ANB-Z57

        a

            A   P T B

          a A    0 B    b           B.4D40-S937                         WDMFA06-AMB-Z57
         a  0    b                                                                                                                 DESCRIPTION                                          APPLICATION
              B
            A P T                                                                                                                  Direct operated solenoid spool valve with 4 connections in 5 cham-  Spool valves are mainly used for controlling direction of movement
        a  P 0 T  b                                                                                                                ber design. Spool detented or with spring. With the solenoids de-  and  stopping  of  hydraulic  cylinders  and  motors.  Direction  of


               P T                  B.4D40-S1127                                                                                   energised,  the  spool  is  held  in  the  center  position  by  the  spring   movement depends on the position of spool and its flow symbol.
           A  A B B
                                                                                                                                   (4/3), or switched back to the offset position (4/2). With the impulse   Switching performance limits and leakage of the valves must be
        a  a  b
                                                                                                                                   spool (4/2), the spool is held in the switching position by the detent.    taken into account when designing the system. Solenoid operated
             B T
            A P  P T                WD.FA04-DAB       WD.FB04-DAB
                                                                                                                                   Precise spool fit, low leakage, long service life time. Spool made   spool valves are suitable for machine tools and handling systems of
         a   0  b
              A    B                                                                                                               from hardened steel, body from high quality hydraulic cast steel.     any  kind.  Miniature  values  are  used  where  both,  reduced
           A P T B


          a  0  b                                                                                                                  Wide range of standard and special voltages.         dimensions and weight are important.
        a       b
             P T
           P T
            A  B
           a  A b B
         a   b                                                          WDMFA06-AD3-Z57
             B
            A P T                                                                                                                  SYMBOL
            P T
             0
         a      b
            A
            P T B                                                                                                                             J30                     Z30a                   Z30b
          a  b                                                          WDMFA06-CB3-Z57                                                       A B                       A B               A B
            P T                                                                                                                     a    a     b     b         a    a    b     b      a   a     b
            A  B                                                                                                                              P T                       P T               P T          b
           a A  B b                                                     WDMFA06-LM3-Z57
             b
        a   P T                                                                                                                              D31                      Z31a                   Z31b
            P T                                                                                                                              A B                        A B               A B
            A  B                                                                                                                         a    o    b                a    b                  a   b
                                                                                                                                    a                    b     a               b      a                b
          a  b                                                                                                                               P T                        P T               P T

            P T
                                                                                                                                             D32                      Z32a                   Z32b
           A  B                                                                                                                              A B                        A B               A B
        a    b                                                                                                                           a    o    b                a     b                 a   b
                                                                                                                                    a                    b    a                b      a                b
           P T                                                                                                                               P T                                          P T
                                                                                                                                                                        P T

                                                                                                                                             D33                      Z33a                   Z33b
                                                                                                                                             A B                        A B               A B
                                                                                                                                          a   o     b                a    b                 a     b
                                                                                                                                    a                    b     a                b     a                b
                                                                                                                                             P T                        P T               P T

                                                                                                                                             D34                      Z34a                   Z34b
                                                                                                                                             A B                        A B               A B
                                                                                                                                              o                           b                 a
                                                                                                                                         a         b                a                           b
                                                                                                                                    a                    b     a                b     a                b
                                                                                                                                             P T                        P T               P T


                                                                                                                                             D35                      Z35a                   Z35b
                                                                                                                                             A B                        A B               A B
                                                                                                                                              o                           b                 a
                                                                                                                                         a         b                a                           b
                                                                                                                                    a                    b     a                b     a                b
                                                                                                                                             P T                        P T               P T

       Wandfluh AG        Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   llustrations not obligatory   Data sheet no.
       Postfach           Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   1.2-05E 6/6                                   www.wandfluh.com  Illustrations are not binding  Data subject to change  1/4  Edition: 19 50  1.2-26 E
       CH-3714 Frutigen                                                                            Edition 21 26
       Page 130
   125   126   127   128   129   130   131   132   133   134   135