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P. 1065

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  K0658_1                                          32  K0659
                                                     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
                 160 120   80   40   0   40   80  120  160            160 120   80   40   0   40   80  120  160
                        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) (Druck in P (2) = 350 bar)
                 p [bar]                                             Q [cm /min]
                                                                          3
              400  K0433                             P N red = 350 bar  1000  K0792
              300                                    P N red = 275 bar  800
                                                     P N red = 200 bar  600
              200
                                                                   400
              100                                    P N red = 100 bar  200
                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
                                                                 Optionally: Screw plug (HB0), no actuation possible
             Electric plug B (black)         Article no. 219.2002
             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 48  2.3-649 E
                                                                                                           Page 1065
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