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Proportional pressure reducing valve
                                                                               Proportional pressure reducing valve


            PERFORMANCE SPECIFICATIONS
            Oil viscosity u = 30 mm /s
                             2
             p  = f (Q)  Pressure volume flow characteristics     p  = f (Q)  Pressure volume flow characteristics
                                                                   red
              red
                       Maximal adjustable pressure                          Minimal adjustable pressure
                                                                            *Consumer resistance depending on the system
                 p [bar]                                             p [bar]
              400  K0995                                            32  K0996
                                                     P N red = 350 bar
              300                                                   24
                                                     P N red = 275 bar
              200                                    P N red = 200 bar  16                               ∗
              100                                    P N red = 100 bar  8

                0                                                   0
                 250  200 150  100  50   0   50  100 150  200 250    250  200 150  100  50   0   50  100 150  200 250
                        A     T  Q [l/min]  P   A                         A     T  Q [l/min]  P   A



             p  = f (n)  Pressure adjustment characteristics      Q  = f (p)  Leakage volume flow characteristic
              red
                                                                   L
                       Measured at Q = 0 l/min (static)                     A (1) → T (3)
                 p [bar]                                             Q [cm /min]
                                                                          3
              400  K0997                                          3200  K0998
                                                     P N red = 350 bar  2800
              300                                    P P P N red = 275 barN red = 275 barN red = 275 bar  2400
                                                                  2000
              200                                    P N red = 200 bar  1600
                                                                  1200
              100                                    P N red = 100 bar  800
                                                                   400
                0                                                    0
                  0   10  20  30  40 50 60 70 80 90  100 l [%]         0   50  100  150  200  250  300  350 p [bar]





            ACCESSORIES                                          MANUAL OVERRIDE
             Proportional amplifier          Register 1.13       HB4,5
             Electric plug B (black)         Article no. 219.2002  Optionally: Screw plug (HB0), no actuation possible
             Threaded body                   Data sheet 2.9-210
             Technical explanations          Data sheet 1.0-100
             Hydraulic fluids                Data sheet 1.0-50
             Filtration                      Data sheet 1.0-50






            SURFACE TREATMENT                                    SEALING MATERIAL
             ◆  The cartridge body, the slip-on coil and the armature tube are   NBR or FKM (Viton) as standard, choice in the type code
               zinc-nickel coated















                               www.wandfluh.com  Illustrations are not binding  Data subject to change  3/4  Edition: 18 47  2.3-690 E
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