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Solenoid operated spool valve



                                                                                                                                   Solenoid operated spool valve stainless
                                                                                                                                                                                        NG6
                                                                                                                                   Flange construction                                  ISO 4401-03
                                                                                                                                    ◆  4/2-way impulse valve
                                                                                                                                    ◆  4/3-way with spring centred mid position         x II 2 G Ex db IIC T6, T4
                                                                                                                                    ◆  4/2-way with spring reset                        x II 2 D Ex tb III C T80 °C, T130 °C
                                                                                                                                    ◆  Q  = 50 l/min                                    x I M2 Ex db I Mb
                                                                                                                                       max
                                                                                                                                    ◆  p  = 350 bar                                     Class I Division 1
                                                                                                                                       max
                                                                                                                                                                                        Class I Zone 1


                                                                                                                                   DESCRIPTION                                          APPLICATION
                                                                                                                                   Direct operated solenoid spool valve with 4 connections in 5 cham-  These  valves  are  suitable  for  applications  in  explosion-hazard
                                                                                                                                   ber design. With the solenoids deenergised, the spool is held in the   areas, open cast and also in mines.The stainless execution is espe-

                                                                                                                                   center position by the spring (4/3), or switched back to the offset   cially suitable for the use in wet and salty environment. Spool val-
                                                                                                                                   position (4/2). With the impulse spool (4/2), the spool is held in the   ves are mainly used for controlling direction of movement and stop-

                                                                                                                                   switching position by the detent. The pressure tight encapsulated   ping of hydraulic cylinders and motors.


                                                                                                                                   Ex-protection solenoid coil prevents an explosion on the inside pe-
                                                                                                                                   netrating to the outside as well as an ignitable surface tempera-

                                                                                                                                   ture.


                                                                                                                                   CERTIFICATES                                         ACTUATION
                                                                                                                                               Surface  Mining  Standard     Z604        Actuation          Switching solenoid, wet pin push type,
                                                                                                                                                               -25 °C to…  -40 °C to…                       pressure tight
                                                                                                                                    ATEX / UKEX  x       x        x           x          Execution          MKY45 / 18x60 (data sheet 1.1-183)
                                                                                                                                    IECEx        x       x        x           x                             MKY45 / 18x60 K9 (data sheet 1.1-183S)
                                                                                                                                                                                                            MKU45 / 18x60 (data sheet 1.1-184)
                                                                                                                                    CCC          x       x        x           x          Connection         Cable gland for cable Ø 6,5…14 mm
                                                                                                                                    EAC          x       x        x           x
                                                                                                                                    Australia    x       x        x           x         Attention!  The UL execution is always supplied without cable
                                                                                                                                                                                                 gland
                                                                                                                                    MA                   x        x
                                                                                                                                    UL / CSA     x                x           x
                                                                                                                                   The certificates can be found on www.wandfluh.com

                                                                                                                                   SYMBOL

                                                                                                                                              AB3                     AB1                    AB2
                                                                                                                                             A B                        A B               A B
                                                                                                                                        a     b                     a    b                a     b
                                                                                                                                    a                b         a               b      a                b
                                                                                                                                             P T                        P T               P T

                                                                                                                                             ACB                      AC1                    CB2
                                                                                                                                             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

                                                                                                                                             ADB                      AD1                    DB2
                                                                                                                                             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

                                                                                                                                             BEA                      BE1                    EA2
                                                                                                                                             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


                                                                                                                                                      www.wandfluh.com  Illustrations are not binding  Data subject to change  1/4  Edition: 23 12  1.3-34S E
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