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P. 965

Proportional pressure relief valve
                                                                                   Proportional pressure relief valve


            DIMENSIONS                                           HYDRAULIC CONNECTION
                                                                 Cavity drawing according to ISO 7789–22–02–0–98

                                                 s30                                   M22x1.5
                    15                          M22x1.5
               76.8   MD=5.5Nm                                                                  (2)
                 37.1                               (2)
                                                         (1)
                  W=                                                                            (1)

                    12    17      10    18      50 70      60                          (1)
                MD=5Nm
                                   78.4            37
                                                                 Note!    For detailed cavity drawing and cavity tools see data
                                       121.6                              sheet 2.13-1003

                                                       HB0
                                                    15
                                                MD= 9.5Nm        MANUAL OVERRIDE

                74.8                                             HB4,5
                                                                 Optionally: Screw plug (HB0), no actuation possible
                  35
                   M =                                           SURFACE TREATMENT

                                                                  ◆  The cartridge body made of steel and the slip-on coil are
                                  10                               zinc-nickel coated



            PARTS LIST                                           ACCESSORIES
              Position Article  Description                       Proportional amplifier          Register 1.13
                  10 206.2…  W.S37 / 19 x 50                      Electric plug B (black)         Article no. 219.2002
                     260.5…  M.S35 / 19 x 50                      Flange body / sandwich plate NG4-Mini  Data sheet 2.3-720
                  12 154.2700  Knurled nut                        Flange body / sandwich plate NG6  Data sheet 2.3-740
                  15 253.8000  HB4,5 manual override              Flange body / sandwich plate NG10  Data sheet 2.3-760
                     239.2033  HB0 Screw plug
                                                                  Threaded body                   Data sheet 2.9-200
                  17 160.2187  O-ring ID 18,72 x 2,62 (NBR)
                                                                  Technical explanations          Data sheet 1.0-100
                  18 160.2170  O-ring ID 17,17 x 1,78 (NBR)
                                                                  Hydraulic fluids                Data sheet 1.0-50
                  50 160.2188  O-ring ID 18,77 x 1,78 (NBR)       Filtration                      Data sheet 1.0-50
                     160.6188  O-ring ID 18,77 x 1,78 (FKM)
                  60 160.2140  O-ring ID 14,00 x 1,78 (NBR)
                     160.6141  O-ring ID 14,00 x 1,78 (FKM)      SEALING MATERIAL

                  70 049.8177  Back-up ring PTSM rd 12,4 x 15,3 x 1,4  NBR or FKM (Viton) as standard, choice in the type code



            STANDARDS                                            INSTALLATION NOTES
             Cartridge cavity     ISO 7789                        Mounting type      Screw-in cartridge M22 x 1,5
             Solenoids            DIN VDE 0580                    Mounting position  Any, preferably horizontal
             Connection execution D  EN 175301 – 803              Tightening torque  M  = 60 Nm Screw-in cartridge
                                                                                      D
             Protection class     EN 60 529                                          M  = 5 Nm knurled nut
                                                                                      D
             Contamination efficiency  ISO 4406                                      M  = 9,5 Nm HB0
                                                                                      D
                                                                                     M  = 5,5 Nm HB4,5
                                                                                      D

                                                                 Wandfluh AG  Postfach  CH-3714 Frutigen
                                                                 Tel. +41 33 672 72 72  Fax +41 33 672 72 12  sales@wandfluh.com

                               www.wandfluh.com  Illustrations are not binding  Data subject to change  3/3  Edition: 17 43  2.3-539 E
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