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P. 1039

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]  a: P N red =  160/200/275/350 bar  b: P N red =  20/63/100 bar
              400  K0434_3                                          40  K0443_2
                                                                          a
                                                     P N red = 350 bar
              300                                                   30
                                                     P N red = 275 bar  b
              200                                    P N red = 200 bar  20
                                                     P N red = 160 bar
              100                                    P N red = 100 bar  10                         ∗
                                                     P N red = 63 bar
                0                                    P N red = 20 bar  0
                 60    40    20    0    20    40   60                 60   40    20    0    20    40    60
                        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) (pressure in P (2) = 350 bar)
                 p [bar]                                             Q [cm /min]
                                                                          3
              400  K0761                                          1000  K0760_1
                                                     P N red = 350 bar
              300                                                  800
                                                     P N red = 275 bar
                                                                   600
              200                                    P N red = 200 bar
                                                     P N red = 160 bar  400
              100                                    P N red = 100 bar  200
                                                     P N red = 63 bar
                0                                    P N red = 20 bar  0
                  0   10  20  30  40   0   60 70 80 90  100 l [%]      0   50  100  150  200  250  300  350 p [bar]
                                                                         P N red = 20/63/100 bar
                                                                         P N red = 160/200/275/350 bar




            ACCESSORIES                                          MANUAL OVERRIDE
             Proportional amplifier          Register 1.13       HB4,5
                                                                 Optionally: Screw plug (HB0), no actuation possible
             Electric plug B (black)         Article no. 219.2002
             Flange body / sandwich plate NG4-Mini  Data sheet 2.3-820
             Flange body / sandwich plate NG6  Data sheet 2.3-840
             Flange body / sandwich plate NG10  Data sheet 2.3-860
             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: 17 47  2.3-629 E
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