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P. 288

Spool valve



                                                                                                                                   Spool valve
                                                                                                                                                                                        NG6
                                                                                                                                   Flange construction                                  ISO 4401-03
                                                                                                                                    ◆  pneumatically operated
                                                                                                                                    ◆  4/2-way impulse valve
                                                                                                                                    ◆  4/3-way with spring centred mid position
                                                                                                                                    ◆  4/2-way with spring reset
                                                                                                                                    ◆  Q  = 80 l/min
                                                                                                                                       max
                                                                                                                                    ◆  p  = 350 bar
                                                                                                                                       max

                                                                                                                                   DESCRIPTION                                          APPLICATION
                                                                                                                                   Direct  operated  spool  valve,  pneumatically  operated,  with  4   Spool valves are mainly used for controlling direction of movement


                                                                                                                                   connections in a 5 chamber system. Spool detented or with spring   and stopping of hydraulic cylinders and motors.



                                                                                                                                   reset. Without actuation, the spool is held in the center position by
                                                                                                                                   the spring (4/3), or switched back to the offset position (4/2). With
                                                                                                                                   the detent, the spool is held in the last switching position selected.
                                                                                                                                   Precise spool fit, low leakage, long service life time. Spool made
                                                                                                                                   from hardened steel, valve body from high quality hydraulic cast
                                                                                                                                   steel.



                                                                                                                                   SYMBOL

                                                                                                                                               AB3                      AB1                       AB2
                                                                                                                                              A   B                      A   B                 A  B

                                                                                                                                    a     a     b     b         a     a    b     b         a   a     b      b
                                                                                                                                              P   T                      P   T                 P  T

                                                                                                                                               ACB                      AC1                       CB2
                                                                                                                                             A    B                      A   B                A    B
                                                                                                                                    a     a     0   b      b    a     a    b     b         a     a   b      b
                                                                                                                                             P    T                      P   T                P    T

                                                                                                                                               ADB                      AD1                       DB2
                                                                                                                                              A   B                      A   B                A    B
                                                                                                                                                0                          b                     a
                                                                                                                                     a    a          b     b    a     a          b         a         b      b
                                                                                                                                              P   T                      P   T                P    T
                                                                                                                                               BEA                      BE1                       EA2
                                                                                                                                             A    B                      A   B                A    B
                                                                                                                                    a      a    0    b     b    a      a   b     b         a     a    b     b
                                                                                                                                             P    T                      P   T                P    T


                                                                                                                                               AFB                      AF1                       FB2
                                                                                                                                             A    B                      A   B                A    B
                                                                                                                                    a     a     0   b      b    a     a    b     b         a     a   b      b
                                                                                                                                             P    T                      P   T                P    T


                                                                                                                                               AGB                      AG1                       GB2
                                                                                                                                             A    B                      A   B                A    B
                                                                                                                                    a     a     0   b      b    a     a    b     b         a     a   b      b
                                                                                                                                             P    T                      P   T                P    T







                                                                                                                                                       www.wandfluh.com  Illustrations are not binding  Data subject to change  1/4  Edition: 21 22  1.6-32 E
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