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Poppet valve
                                                                                             Poppet valve cartridge


            ELECTRICAL SPECIFICATIONS                            STANDARDS
             Protection class   IP65 / 66 / 67                    Cartridge cavity   ISO 7789 / Wandfluh standard
             Relative duty factor  100 % DF                       Explosion protection  Directive 2014 / 34 / EU (ATEX)
             Switching frequency  5'000 / h                       Flameproof enclosure  EN / IEC / UL 60079-1, 31
             Voltage tolerance  ± 10 % with regard to nominal voltage  Cable entry   EN 60079-0, 1, 7, 15, 31
             Standard nominal   12 VDC, 24VDC, 115 VAC, 230 VAC   Protection class   EN 60 529
             voltage            AC = 50 to 60 Hz ± 2 %, with built-in   Contamination   ISO 4406
                                two-way rectifier                 efficiency
             Standard nominal   9 W, 15 W, 17 W
             power
             Temperature class  Nominal power 9 W: T1…T6
                                Nominal power 15 W / 17 W: T1…T4
            Note!    Other electrical specifications see data sheet 1.1-183
                     and 1.1-184



            INSTALLATION NOTES                                   COMMISSIONING

             Mounting type      Screw-in cartridge M18 x 1,5     Attention!    When commissioning, the valve must be vented under
             Mounting position  Any, preferably horizontal                pressure (max. two rotations of screw E).
             Tightening torque  M  = 40 Nm Screw-in cartridge
                                 D                                        The solenoid coil must only be put into operation, if the
                                M  = 5 Nm knurled nut
                                 D                                        requirements of the operating instructions supplied are
                                M  = 9,5 Nm HB0                           observed to their full extent. In case of non-observance,
                                 D
                                M  = 5,5 Nm HB4,5                         no liability is assumed.
                                 D

            PERFORMANCE SPECIFICATIONS
            Oil viscosity u = 30 mm /s
                             2
             p = f (Q)  Performance limit AB / BA                                              Flow direction
                       Measured with nominal voltage -10% at 50 °C  Execution             1 → 2          2 → 1
                p [bar]                                           SDYPM18-AB                1              3
               350  K4243                      1  2               SDYPM18-BA                2              2
               300                                   3
               250
               200
               150
               100
               50
                0
                 0        5       10       15      20  Q [l/min]


             p = f (Q)  Performance limit FG                                                   Flow direction
                       Measured with nominal voltage -10% at 50 °C  Execution          1 → 2  2 → 1  2 → 3   3 → 2

                p [bar]                     1   2                 SDYPM18-FG-L9         4       1      2      5
               350  K4244                                         SDYPM18-FG-L15 / L17  4       1      1      3
               300
               250
               200                                   3
               150                                   4
               100                            5
               50
                0
                 0   2,5  5   7,5  10  12,5  15  17,5  20  Q [l/min]





                            www.wandfluh.com  Illustrations are not binding  Data subject to change  3/5  Edition: 21 18  1.11-2052 E
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