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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  K1011                                            80  K0809
                                                     P N red = 350 bar
              300                                                   60
                                                     P N red = 275 bar
              200                                    P N red = 200 bar  40
                                                     P N red = 160 bar
              100                                    P N red = 100 bar  20
                                                     P N red = 63 bar
                0                                    P N red = 40 bar  0                        ∗
                 40   30  20  10   0   10  20  30  40                 40  30  20  10   0   10  20  30   40
                        A     T  Q [l/min]  P   A                         A     T  Q [l/min]  P   A

             p  = f (n)  Pressure adjustment characteristics      p  = f (n)  Pressure adjustment characteristics
              red                                                  red
                       Measured at Q = 0 l/min (static)                     Measured at Q = 0 l/min (static)
                 p [bar]                                             p [bar]
              100  K1013                             P N red = 100 bar  350  K1012                        P N red = 350 bar
               80                                                  300                                    P N red = 275 bar
                                                                   250
               60                                    P N red = 63 bar  200                                P N red = 200 bar
               40                                    P N red = 40 bar  150                                P N red = 160 bar
                                                                   100
               20                                                   50
                0                                                    0
                  0   10  20  30  40 50 60 70 80 90  100 l [%]         0   10  20  30  40 50 60 70 80 90  100 l [%]

             Q  = f (p)  Leakage volume flow characteristic
              L
                       P (2) → T (3) (pressure in P (2) = 350 bar)
                 Q [cm /min]
                     3
              600  K0812_1
              450
              300

              150
                0
                  0   50   100  150  200  250  300  350 p [bar]
                    P N red = 40/63/100/160 bar
                    P N red = 200/275/350 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
             Flange body / sandwich plate NG4-Mini  Data sheet 2.3-820
             Flange body / sandwich plate NG6  Data sheet 2.3-840  SEALING MATERIAL
             Flange body / sandwich plate NG10  Data sheet 2.3-860  NBR or FKM (Viton) as standard, choice in the type code
             Threaded body                   Data sheet 2.9-210
             Technical explanations          Data sheet 1.0-100
             Hydraulic fluids                Data sheet 1.0-50   SURFACE TREATMENT
                                                                  ◆  The cartridge body, the slip-on coil and the armature tube are
             Filtration                      Data sheet 1.0-50     zinc-nickel coated





                               www.wandfluh.com  Illustrations are not binding  Data subject to change  3/4  Edition: 18 47  2.3-641 E
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