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Proportional flow control valve
                                                                              Proportional flow control valves                                                                                             Proportional flow control valves

       ELECTRICAL SPECIFICATIONS                            HyDRAuLIC SPECIFICATIONS                                               DImENSIONS / SECTIONAL DRAwINGS
       Construction        Proportional solenoid, wet pin push type,   Fluid    Mineral oil, other fluid on request                                                                                      Cavity drawing acc. to
                           pressure tight                   Contamination efficiency   ISO 4406:1999, class 18/16/13                                                                                     ISO 7789–22–04–0–98
       Standard nominal voltage  U = 12 VDC  U = 24 VDC                         (Required filtration grade β 6…10 ≥ 75)                                                                                        M22x1,5
                                                                                see data sheet 1.0-50/2
       Limiting current     I G  = 1360 mA  I  = 680 mA     Viscosity range     12 mm /s…320 mm /s
                                                                                     2
                                                                                              2
                                           G
       Relative duty factor   100 % ED (see data sheet 1.1- 430)  Fluid temperature   -20…+70 °C
       Protection class    Connection version               Peak pressure       p max  = 350 bar                                     58,2  20   10
                                                                                   = 8 l/min, 15 l/min, 25 l/min
       acc. to  EN 60 529   D: IP 65                        Nominal volume flow rates  Q N   = 40 l/min (1 → 2)                                                      s30  M22x1,5
                                                                                Q
                                                            Max. volume flow
                           J:  IP 66                        Min. volume flow     max   = 0,1 l/min                                                                          (3)     (2)
                           G: IP 67 and 69K                 Hysteresis          Q min                                                                                                                                        (3)
                                                                                ≤ 7 % ٭
       For further electrical specifications see data sheet  1.1-173 (W)        ٭ at optimal dither signal                                                                                 (1)
                                           1.1-174 (M)
                                                                                                                                     18,7                                                                                    (2)
                                                                                                                                     15
       CHARACTERISTICS  Oil viscosity  ν = 30 mm /s                                                                                                                                                                          (1)
                                        2
                                                                                                                                       6,2              78,4                   60,5
       Q = f (I) Volume flow adjustment characteristics 1 → 3 (p 3  = 200 bar)  Q = f (p) Volume flow pressure characteristics (I = I G )
          Q [l/min]                                            Q [l/min]                                                                                          138,9                      90                  (1)
         30  K0966                            Q  = 25 l/min   30  K0967                             Q  = 25 l/min
         25                                    N              25                                    N                                         17                     18  50      60 80      70           For detailed cavity drawing and
                                                                                                                                                                                                         cavity tools see data sheet 2.13-1004
         20                                                   20
                                              Q  = 16 l/min                                         Q  = 16 l/min
                                                                                                    N
                                               N
         15                                                   15
         10                                   Q  = 8 l/min    10                                    Q  = 8 l/min                   PARTS LIST                                           ACCESSORIES
                                                                                                    N
                                               N
          5                                                   5                                                                                                                         Flange-/sandwich plate NG6         Data sheet 2.6-842
          0                                                   0                                                                     Position  Article  Description                      Line mount body                     Data sheet 2.9-210
                                                                                                                                                                                                                                Register 1.13
           0   10  20  30  40 50 60 70 80 90  100 I    [%]      0   50   100  150  200  250  300  350 p [bar]                                        EN 175301                          Proportional amplifier             Article no. 219.2002
                                                                                                                                                                                        Mating connector EN 175301-803
                                                                                                                                    10  1    206.2201  Solenoid coil WDS37 / 19 x 50-G24
                                                                                                                                                  3
                                                                                                                                             206.2200  Solenoid coil WDS37 / 19 x 50-G12
                                                                                                                                                           1
                                                                                                                                                                            3
                                                                                                                                          2          Junior-Timer                       Technical explanation see data sheet 1.0-100
       Δp = f (Q) Pressure drop-volume flow characteristics  1→ 2 (I = 0 mA)  Δp = f (Q) Pressure drop-volume flow characteristics  1 → 3 (I = I G )
                                                                                                                                             206.2203  Solenoid coil WJS37 / 19 x 50-G24
                                                                                                                                             206.2202  Solenoid coil WJS37/ 19 x 50-G12
          p [bar]                                              p [bar]
         30  K0968                                           25  K0969   Q  = 8 l/min  Q  = 16 l/min  Q  = 25 l/min                          206.2205  Deutsch  2
                                                                                    N
                                                                          N
                                                                                             N
                                                                                                                                                     Solenoid coil WGS37 / 19 x 50-G24
         25                                                  20                                                                              206.2204  Solenoid coil WGS37 / 19 x 50-G12
         20                                                  15                                                                     15       253.8000  HB 4,5 anual override (data sheet 1.1-300)
         15                                                                                                                                  239.2033  HB 0 Plug screw (data sheet 1.1-300)
         10                                                  10                                                                     17       160.2187  O-ring ID 18,72 x 2,62 (NBR)
         5                                                    5                                                                     18       160.2170  O-ring ID 17,17 x 1,78 (NBR)
         0                                                    0
           0   5   10  15   20  25  30  35   40  Q [l/min]      0     5    10    15   20    25    30  Q [l/min]                     20       154.2700  Knurled nut
                                                                                                                                    50       160.2188  O-ring ID 18,77 x 1,78 (NBR)
                                                                                                                                             160.6188  O-ring ID 18,77 x 1,78 (FKM)
                                                                                                                                    60       160.2156  O-ring ID 15,60 x 1,78 (NBR)
                                                                                                                                             160.6156  O-ring ID 15,60 x 1,78 (FKM)
                                                                                                                                    70       160.2140  O-ring ID 14,00 x 1,78 (NBR)
                                                                                                                                             160.6141  O-ring ID 14,00 x 1,78 (FKM)
                                                                                                                                    80       049.3196  Backup ring RD 16,1 x 19 x 1,4
                                                                                                                                    90       049.3176  Backup ring RD 14,1 x 17 x 1,4













       Wandfluh AG        Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.     Wandfluh AG         Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.
       Postfach           Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   2.6-644E 2/3              Postfach            Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   2.6-644E 3/3
       CH-3714 Frutigen                                                                            Edition 11 25                   CH-3714 Frutigen                                                                             Edition 11 25
       Page 1256
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