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Fine feed/fast approach valve
                                                                               Fine feed / fast approach valves                                                                                               Fine feed / fast approach unit

                                                                                                                                   Fine feed / fast approach unit
       CHArACTerISTICS  Oil viscosity  υ = 30 mm /s                                                                                                                                     NG6
                                        2
       Q = f (p)  Volume flow pressure characteristics (Fine feed)  ∆p = f (Q)  Pressure drops volume flow characteristic          Sandwich construction
                                                                    (Fast approach)                                                                                                     ISO 4401-03
          Q [l/min]                                                                                                                 ◆  Q  = 40 l/min (Fine feed)
                                                                                                                                       max
        25  K0962                                              p [bar]                                                              ◆  Q  = 80 l/min (Fast speed)
                                                             40  K0960                                                                 max
        20                                    Q  = 20 l/min                                                                         ◆  Q N max  = 40 l/min
                                               N
        15                                    Q  = 16 l/min  30                                                                     ◆  p  = 350 bar
                                                                                                                                       max
                                               N

        10                                                   20
         5                                    Q N  = 6,3 l/min  10
                                              Q N  = 2,5 l/min                                                                     DESCRIPTION                                          APPLICATION
         0
           0   50   100  150  200  250  300  350 p [bar]      0                                                                    Feed unit in sandwich construction. In fine feed, the volume flow is   The  fine  feed-/fast  approach  valves  are  utilised  in  hydraulic
                                                                0    5     10   15    20    25   30  Q [l/min]                     controlled  independently  of  the  load  via  the  2-way  flow  control     systems,  which  require  an  electrically  controlled  fine  feed-/fast
       ∆p = f (Q)  Pressure drop volume flow characteristic   SCrew-IN CArTrIdGeS INSTALLed                                          cartridge to the manually set value. In doing so, the 2/2-way seat   approach  changeover,  such  as  positioning  controls  on  machine
               over non-return valve function of poppet valve  The following screw-in cartridges are used in the sandwich body:    valve  cartridge  is  closed.  At  the  fast  approach  the  volume  flow,   tools or elevation controls of elevating platforms, etc. Due to the
          p [bar]
        40  K0961                                           Type       Designation                Data sheet no.                     dependent of the load and of the system pressure, flows through   sandwich construction, these fine feed-/fast approach valves can


                                                            QZ.PM22    Flow control valve              2.5-535                     the poppet valve.                                    be integrated into stacked systems as an intermediate flange.



        30
                                                            SVSPM22    Solenoid poppet valve         1.11-2082
        20
        10
                                                                                                                                   SYMBOL
         0                                                  PArTS LIST                                                             VQ.SA06-AC               VQ.SA06-AO                  VQ.SA06-BC               VQ.SA06-BO
           0    5     10   15    20    25   30  Q [l/min]
                                                             Position   Article   Description
       ACCeSSOrIeS                                           10     160.2060    O-ring ID 6,07 x 1,78 (NBR)
       Threaded connection plates and multi-flange subplates   Register 2.9
       Mating connector EN 175301-803     article no. 219.2002                                                                       A    P      T    B       A    P      T    B          A    P      T    B      A    P       T    B

       Technical explanation see data sheet 1.0-100
                                                                                                                                   VQ.SA06-PC               VQ.SA06-PO                  VQ.SA06-TC               VQ.SA06-TO
       TyPeS / dIMeNSIONS
           VQ.SA04-PC        VQ.SA04-PO
                                                            Control P, T, A, BV
      VQ.SA04-PC         VQ.SA04-PO                                                                                                  A    P      T    B       A    P      T    B          A    P      T    B      A    P       T    B
                                                                   38.5
        A    P T   B                                                                                                               VQ.SA06-AVC              VQ.SA06-AVO                 VQ.SA06-BVC              VQ.SA06-BVO
          VQ.SA04-TC         VQ.SA04-TO
                                                               38.5                 10
    A    P T   B                                                                         P
      VQ.SA04-TC         VQ.SA04-TO                                                    A  B
                                                                   40           10   T      To
        A    PT    B       A    PT    B                                                                                              A    P      T    B       A    P      T    B          A    P      T    B      A    P       T    B
           VQ.SA04-AC         VQ.SA04-AO                                          A  P  B                      76
                                                               40                T     To
    A    PT    B       A    PT    B                                                                     A
      VQ.SA04-AC         VQ.SA04-AO                                      53        65        65         58  76
        A    P T   B       A    P T   B                                                 241         A                              INSTALLATION NOTES                                   STANDARDS
           VQ.SA04-BVC        VQ.SA04-BVO                            53        65        65        58                               Mounting type      Sandwich mounting                 Mounting interface  ISO 4401-03
    A    P T   B       A    P T   B                                                241                                                                 4 fixing holes for                Solenoids           DIN VDE 0580
      VQ.SA04-BVC        VQ.SA04-BVO                                                                                                                   socket head screws or studs M5    Connection execution D  EN 175301 – 803
                                                                                                                                    Mounting position  Any, preferably horizontal        Protection class    EN 60 529
        A    P T   B       A    P T   B                     Control AV, B                                                           Tightening torque  Fixing screws M  = 5,2 Nm (quality 8.8,
                                                                                       A  P  B                                                         zinc coated)  D                   Contamination efficiency  ISO 4406
                                                                                      T      To
    A    P T VQ.SA04-AVC  A  P T VQ.SA04-AVO                                                                                                           Screw-in cartridge M  = 60 Nm
               B
                                  B
                                                                                                                                                                      D
                                                                                   A  P  B
                                                                                  T     To
      VQ.SA04-AVC        VQ.SA04-AVO                                     B
        A    PT    B       A    PT    B
           VQ.SA04-BC         VQ.SA04-BO                             B
    A    PT    B       A    PT    B
      VQ.SA04-BC         VQ.SA04-BO
                                                             Dimensions of the other setting versions see data sheet 2.5-535
        A    P T   B       A    P T   B
       Wandfluh AG        Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.
                                  B
                             T
                            P
         P
          T
    A  Postfach   B    A  Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   2.5-920E 2/2                                 www.wandfluh.com  Illustrations are not binding  Data subject to change  1/4  Edition: 20 34  2.5-940 E
       CH-3714 Frutigen                                                                            Edition 12 33
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