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Poppet valve
                                                                                                      Poppet valve


            PERFORMANCE SPECIFICATIONS
            Oil viscosity u = 30 mm /s
                             2
             p = f (Q)  Performance limits L15 / L17              P = f (Q)  Performance limits L9
                       Measured with nominal voltage -10% at 50 °C          Measured with nominal voltage -10% at 40 °C
                                                                            Execution L9 90 °C on request

                p [bar]                                              p [bar]
               350  K4194                                          350  K4195                    A - P
               300                                                 300                                     P - A
               250                                                 250                   A - T             T - A
               200                                                 200
               150                                                 150
               100                                                 100
               50                                                   50
                0                                                    0
                 0    5   10  15  20   25  30  35  40  Q [l/min]      0   5   10   15  20  25   30  35  40  Q [l/min]


             Δp = f (Q)  Pressure drop volume flow characteristics  ELECTRICAL SPECIFICATIONS

                p [bar]                                           Protection class   IP65 / 66 / 67
               35  K0078                                          Relative duty factor  100 % DF
               30                                                 Switching frequency  12'000 / h
               25
               20                                                 Voltage tolerance  ± 10 % with regard to nominal voltage
               15                                                 Standard nominal   12 VDC, 24VDC, 115 VAC, 230 VAC
               10                                                 voltage            AC = 50 to 60 Hz ± 2 %, with built-in
                5                                                                    two-way rectifier
                0
                 0    5  10   15  20  25  30   35  40  Q [l/min]  Standard nominal   9 W, 15 W, 17 W
                                                                  power

                                                                  Temperature class  Nominal power 9 W: T1…T6
            Note!    With the L15 / L17 execution for ambient temperatures           Nominal power 15 W / 17 W: T1…T4
                     up to 70 °C, the  performance specifications have been
                     evaluated with an ambient temperature of 50 °C  Note!  Other electrical specifications see data sheet 1.1-183
                                                                          and 1.1-184
            Attention!  Long periods of non-actuation can reduce the switching
                     performance





            SEALING MATERIAL                                     SURFACE TREATMENT
            NBR or FKM (Viton) as standard, choice in the type code  ◆  The valve body is painted with a two component paint
                                                                  ◆  The cover, the slip-on coil and the armature tube are zinc-nickel
                                                                   coated
            MANUAL OVERRIDE
            Screw plug (HB0), no actuation possible
            Optionally: HB6 or HN(K)
            → See data sheet 1.1-311




            VALVES INSTALLED
            The central functioning element is the poppet valve cartridge NG6, data sheet 1.11-2030.












                            www.wandfluh.com  Illustrations are not binding  Data subject to change  3/4  Edition: 21 18  1.11-3146 E
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