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Poppet valve
                                                                                       Poppet valve cartridge                                                                                                                Poppet valve


       CERTIFICATES                                        ACTUATION                                                               PERFORMANCE SPECIFICATIONS
                                                                                                                                                    2
                            Surface          Mining         Actuation        Switching solenoid, wet pin push type,                Oil viscosity u = 30 mm /s
                          gas and dust                                       pressure tight                                         p = f (Q)  Performance limits                                                 Flow direction
       ATEX / UKEX            x                x            Execution        M.Z45 (Data sheet 1.1-185) rotatable in                          Measured with nominal voltage -10 %        Execution      1 → 2    2 → 1    2 → 3    3 → 2
       IECEx                  x                x                             steps of 90 ° and easy exchangeable                              Measured at 50 °C                          SDZPM18-AB      1        1         -        -
                                                            Connection       Through cable gland for cable Ø 6…12 mm                          P ≥ 0,81 W (90 mA, 100 Ohm)
       CCC                    x                x                                                                                                                                         SDZPM18-BA      1        1         -        -
                                                                             two phase conductors +/- as well as one                    p [bar]
       The certificates can be found on www.wandfluh.com                     ground conductor                                        250  K4142               4   2           1          SDZPM18-FG      2        3         3        4
                                                                                                                                     200
                                                                                                                                     150
                                                                                                                                     100                             3
                                                                                                                                      50
                                                                                                                                       0
       GENERAL SPECIFICATIONS                              HYDRAULIC SPECIFICATIONS                                                      0       2        4       6        8  Q [l/min]

       Designation        2/2-, 3/2-poppet valve            Working pressure   p   = 250 bar
                                                                                max
       Construction       Direct operated                   Maximum volume flow  Q   = 8 l/min, see characteristics
                                                                                max                                                 p = f (Q)  Performance limits                                                 Flow direction
       Mounting           Screw-in cartridge construction   Leakage oil        Seat tight
       Nominal size       M18 x 1,5 according to ISO 7789   Fluid              Mineral oil, other fluid on request                            Measured with nominal voltage -10 %        Execution      1 → 2    2 → 1    2 → 3    3 → 2
                                                                                                                                              Measured at 50 °C
       Actuation          Ex-protection switching solenoid  Viscosity range    12 mm /s…320 mm /s                                             P ≥ 0,62 W (64 mA, 152 Ohm)                SDZPM18-AB      1        1         -        -
                                                                                   2
                                                                                            2
       Ambient temperature  -20…+45 °C (operation as T6)    Temperature range   -20…+45 °C (operation as T6)                                                                             SDZPM18-BA      1        1         -        -
                          -20…+60 °C (operation as T1…T5)   fluid              -20…+60 °C (operation as T1…T5)                       250 p [bar]          3  4      2                    SDZPM18-FG      2        1         3        4
                                                                                                                                         K4143
       Weight             2,32 kg                           Contamination      Class 20 / 18 / 14                                                                             1
       MTTFd              150 years                         efficiency                                                               200
                                                            Filtration         Required filtration grade ß 10…16 ≥ 75,               150
                                                                               see data sheet 1.0-50                                 100
                                                                                                                                      50
                                                                                                                                       0
                                                                                                                                         0    1     2     3    4     5     6  Q [l/min]


                                                                                                                                    ∆p = f (Q)  Pressure drop volume flow characteristics                         Flow direction
      ELECTRICAL SPECIFICATIONS                            ACCESSORIES
                                                                                                                                       p [bar]                                           Execution      1 → 2    2 → 1    2 → 3    3 → 2
       Protection class   IP65                              Technical explanations      Data sheet 1.0-100                            10  K4144                                          SDZPM18-AB      2        1         -        -
       Relative duty factor  Continuous operation           Hydraulic fluids            Data sheet 1.0-50                              8                                                 SDZPM18-BA      1        1         -        -
       Switching frequency  1'800 / h                       Filtration                  Data sheet 1.0-50                              6                     3
       Service life time  10  (number of switching cycles,   Relative duty factor       Data sheet 1.1-430                             4                                                 SDZPM18-FG      2        2         3        3
                            7
                          theoretically)
       Voltage tolerance  ± 10 % with regard to nominal voltage                                                                        2                            2       1
       Limiting current at  I  = 90 mA (100 Ω execution)                                                                               0  0      2       4        6       8   Q [l/min]
                          min
       50 °C              I  = 64 mA (152 Ω execution)
                          min
       Temperature class  T1…T6
       Coil resistance    100 Ω, 152 Ω
       Minimum power      P  = 0,81 W (100 Ω execution)
                           min
       consumption        P  = 0,62 W (152 Ω execution)
                           min                                                                                                     STANDARDS                                            INSTALLATION NOTES
      Note!    Other electrical specifications see data sheet 1.1-185                                                               Cartridge cavity   ISO 7789                          Mounting type      Screw-in cartridge M18 x 1,5
                                                                                                                                    Explosion protection  Directive 2014 / 34 / EU (ATEX)  Mounting position  Any, preferably horizontal
                                                                                                                                    Flameproof enclosure  EN / IEC 60079-1 / 31          Tightening torque  M  = 40 Nm Screw-in cartridge
                                                                                                                                                                                                             D
                                                                                                                                    Cable entry        EN 60079-0, 1, 7, 15, 31                             M  = 5 Nm knurled nut
                                                                                                                                                                                                             D
                                                                                                                                    Protection class   EN 60 529
                                                                                                                                    Contamination      ISO 4406
                                                                                                                                    efficiency





                       www.wandfluh.com  Illustrations are not binding  Data subject to change  2/4  Edition: 22 15  1.11-2054 E                   www.wandfluh.com  Illustrations are not binding  Data subject to change  3/4  Edition: 22 15  1.11-2054 E
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