Page 266 - Softbound_Edition_19_en
P. 266

Spool valve
                                                                                                  Spool valve                                                                                                                 Spool valve


       SYMBOL                                                                                                                      DIMENSIONS                                           HYDRAULIC CONNECTION
       Overview valves
                A    B                   A   B                                                                                         2.6                                                                        17.8
                                                                                                                                                                                                             T
              a    b                       a    b                                                                                            45°                   9.5
        a               b            a                b
                P    T                   P   T                                                                                                        30           5.2    MD= 5.2Nm                   31   A      B          21    32.5
                                                                                                                                               10       MD= 5.2Nm
       Overview spool types                                                                                                                                                       8
                  A B                     A B                                                                                                                                                                P
                        AB1
             a
                   b
                                        a  a    b  b  AB2                                                                             16                                                                   21.5   40.5
                      b
           a
                  P T                     P T                                                                                                                                     41    49
                  A B                     A B
                        AC1
                   b
             a
                                         a  a   b  b  CB2
                      b
           a
                  P T                     P T                                                                                               20       11    50
                  A B                     A B                                                                                                    39.8           68         12.6
                   b    AD1                 a        DB2
             a
                                         a      b  b                                                                                                81.8
           a
                      b
                  P T                     P T                                                                                                              128.4
                  A B                     A B
                        BE1
              a
                   b
                                        a   a     b  b  EA2                                                                              4.1
           a
                      b
                  P T                     P T
                  A B                     A B                                                                                         16
                   b    AF1                 a        FB2
             a
                                         a      b  b
                      b
           a
                  P T                     P T
                  A B                     A B
                   b    AG1                 a        GB2                                                                           PARTS LIST                                           ACCESSORIES
             a
                                         a      b  b
                      b
           a
                  P T                     P T                                                                                        Position Article  Description                       Fixing screws               Data sheet 1.0-60
                                                                                                                                         10 160.2236  O-ring ID 23,52 x 1,78 (NBR)       Threaded subplates          Data sheet 2.9-30
       PERFORMANCE SPECIFICATIONS                                                                                                        20 253.6000  Mechanical control head ATII       Multi-station subplates     Data sheet 2.9-60
       Oil viscosity u = 30 mm /s                                                                                                        30 246.2119  Socket head screw M5 x 18 DIN 912  Horizontal mounting blocks  Data sheet 2.9-100
                       2
                                                                                                                                         50 160.2093  O-ring ID 9,25 x 1,78 (NBR)        Technical explanations      Data sheet 1.0-100
       p = f (Q)  Performance limits                        Q  = f (Q)  Leakage volume flow characteristics per control
                                                             L                                                                              160.6092  O-ring ID 9,25 x 1,78 (FKM)        Hydraulic fluids            Data sheet 1.0-50
           p [bar]                              AB1 / AB2             edge
         350  K4183                             AC1 / CB2       Q [cm /min]                                                                                                              Filtration                  Data sheet 1.0-50
                                                                    3
         300                                    AD1 / DB2    150  K0232_3
                                                AF1 / FB2
         250                                    AG1 / GB2
         200                                                 120                                                                   SEALING MATERIAL                                     STANDARDS
         150                                    BE1 / EA2     90
         100                                                  60                                                                   NBR or FKM (Viton) as standard, choice in the type code  Mounting interface  ISO 4401-03
          50                                                                                                                                                                             Contamination      ISO 4406
           0                                                  30
            0   10  20  30   40  50  60  70   80  Q [l/min]    0                                                                                                                         efficiency
                                                                     50
                                                                          100
                                                                               150
                                                                 0  AB3/AB1/ACB/ADB/AFB/AGB 200  250  300  350 p [bar]
                                                                   BEA                                                             INSTALLATION NOTES                                   SURFACE TREATMENT

                                                                                                                                    Mounting type      Flange mounting                   ◆  The valve body is painted with a two component paint
       Δp = f (Q)  Pressure drop volume flow characteristics                       Volume flow direction                                                                                   The roller housing and the cover are zinc-nickel coated
                                                                                                                                                       4 fixing holes for                ◆
          ∆p [bar]                                          Symbole        P - A  P - B  P - T   A - T  B - T                                          socket head screws M5 x 50
         30  K0171                        5                 AB1 / AB2        2      2      -      1      1                          Mounting position  Any, preferably horizontal
         25                                    1            AC1 / CB2        2      2      -      1      1                          Tightening torque  Fixing screws M  = 5,2 Nm (screw
                                                                                                                                                                   D
         20                                    2                                                                                                       quality 8.8, zinc coated)
         15                                    3            AD1 / DB2        2      2      -      3      3
         10                                    4            BE1 / EA2        2      2      5      2      2                         Note!    The length of the fixing screw depends on the base
          5                                                 AF1 / FB2        4      4      -      3      3                                  material of the connection element.
          0                                                 AG1 / GB2        4      4      -      1      1
            0  10   20  30  40  50   60  70  80  Q [l/min]
                                                                                                                                                                                        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: 18 18  1.5-46 E                      www.wandfluh.com  Illustrations are not binding  Data subject to change  3/3  Edition: 18 18  1.5-46 E
       Page 266
   261   262   263   264   265   266   267   268   269   270   271