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Proportional
                                                                                         pressure relief valves
                                                                             Proportional pressure relief valve                                                                                           Proportional pressure relief valve

                                                                                                                                   Proportional pressure relief cartridge
       DIMENSIONS / SECTIONAL DRAWINGS
       *Adjusting screw for setting the nominal pressure (-20 % / +30 %)                                                           Seat tight                                           M22 x 1,5
       With analog interface                                E: Venting                                                                direct operated                                   ISO 7789
       Amplifier and Controller  25,30 21, 22  40           -  Release locknut                                                      ◆  Q  = 2 l/min
                                                            -   Remove screw                                                        ◆  max
                                                            -  Press check-valve (with a pin or with allen key < 1,3 mm)            ◆  p  = 500 bar
                                                                                                                                       max
                                      X2                    -  Screw the screw back in                                              ◆  p   = 450 bar
      25,30 21, 22  40           X1                         -  Set the required pressure and tighten the lock nut                       N max

              X2
       83                        X4 (nur Regler)
        X1              s6        (controller only)  M22x1.5
                                                s30  70 60
                                                                                                                                   DESCRIPTION                                          APPLICATION
 83     X4 (nur Regler)
 s6       (controller only)  M22x1.5                                                                                               Direct  operated,  practically  leakage-free  proportional  pressure   The electrical remote control in conjunction with process controls
                      s30  70 60        35                   P(1)                                                                    relief valve in screw-in cartridge construction for cavity according   allows  economical  solutions  with  repeatable  processes.  The
       17.5  E                                        T(2)                                                                         to ISO 7789. When the operating pressure adjusted by means of the   screw-in cartridge is perfectly suitable for installation in control
               35               17 P(1)  95   18                                                                                   proportional solenoid is reached, the valve opens and connects the   blocks and is installed in sandwich-  (vertical stacked systems) and
          13          20                          50               Under pressure oil shoot out!
 17.5  E                    T(2)  135.4             37             Cover with a cloth.                                             protected line with the drain to the tank. The back pressure in T (2)   in  flange  plates  (corresponding  data  sheets  in  this  register).  For
        17 M D  = 10 Nm  18         172.4                                                                                          affects the pressure in P (1). This proportional valve is very sensiti-  machining the cartridge cavity in steel and aluminum blocks, cavity
 13  20     95          50                                                                                                         vely  adjustable  and  suitable  for  high  pressures.  For  the  control,   tools  are  available  (hire  or  purchase).  Please  refer  to  the  data
       135.4              37


 M D  = 10 Nm  With fieldbus interface                     With fieldbus interface                                                 Wandfluh proportional amplifiers are available (see register 1.13).        sheets in register 2.13.
           172.4
       Amplifier                                           Controller
                                                                                                    X2
                                                                                              X1
                                                      X2             X2
                                                                X1
                                               X1
                           X2                                                                 X3
       P (1)
                      X1                                        X3              101
 P (1)                          83             X3                                             X4
                                                    101
        83  T (2)     X3                                       s30  X4 M22x1.5                               s30  M22x1.5
 T (2)                              s30  M22x1.5                              s30  M22x1.5
                                                       35                  P(1)                      35                   P(1)
                             35  17.5          P(1)                   35        17.5     P(1)                                      SYMBOL                                               ACTUATION
        17.5                             T(2)       17.5             T(2)           T(2)          90.2            37  T(2)                                                               Actuation          Proportional solenoid, wet pin push
                                                    90.2           37 90.2        37                                                      (T) 2                                                             type, pressure tight
                          90.2          37              127.2                                  M22x1,5  127.2
                             127.2                                     127.2                                                                                                             Execution          W.S37 / 19 x 50 (Data sheet 1.1-173)
                                                                   Cavity drawing according to                                                                                                              M.S35 / 19 x 50 (Data sheet 1.1-174)
                                                                   ISO 7789–22–02–0–98                                                                                                   Connection         Connector socket EN 175301 – 803
                                                                                                                                          (P) 1                                                             Connector socket AMP Junior-Timer
                                                                   For detailed cavity drawing           (2)
       PARTS LIST                                                  and cavity tools                                                                                                                         Connector Deutsch DT04 – 2P
        Position  Article  Description                             see data sheet 2.13-1003
                                                                                                         (1)
        17      160.2187  O-ring ID 18,72 x 2,62 (NBR)
        18      160.2170  O-ring ID 17,17 x 1,78 (NBR)                                           (1)
        20      154.2700  Knurled nut                      ACCESSORIES
        21      223.1317  Dummy plug M16 x1,5              • Cartridge built in:                 see register 2.3
                                                             flange and sandwich bodies
        22      160.6131  O-ring ID 13,00 x1,5             • Set-up software                        see start-up
        25      062.0102  Cover square                     • Cable to adjust the settings through interface USB
        30      072.0021  Gasket 33,2 x 59,9 x 2             (from plug type A to Mini B, 3 m)    article no. 219.2896
        40      208.0100  Socket head cap screw M4 x10     • Cable connector for analog interface:
        50      160.2188  O-ring ID 18,77 x 1,78 (NBR)       – straight, soldering contact     article no. 219.2330
                160.6188  O-ring ID 18,77 x 1,78 (FKM)       – 90°, soldering contact         article no. 219.2331
        60      160.2140  O-ring ID 14,00 x 1,78 (NBR)       Recommended cable size:
                                                             – Outer diameter 9…10,5 mm
                160.6141  O-ring ID 14,00 x 1,78 (FKM)       – Single wire max. 1 mm 2
        70      049.3177  Back-up ring RD 14,6 x 17,5 x 1,4    – Recommended wire size:
                                                               0…25 m = 0,75 mm (AWG18)
                                                                           2
                                                               25…50 m = 1 mm (AWG17)
                                                                          2
                                                           Technical explanation see data sheet 1.0-100

       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   2.3-562E 4/4                                 www.wandfluh.com  Illustrations are not binding  Data subject to change  1/4  Edition: 19 29  2.3-571 E
       CH-3714 Frutigen                                                                            Edition 17 01
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