Page 924 - Softbound_Edition_19_en
P. 924

17,8
 22,5  10                    21,5 19      20
                               T
 9,5  5,5                    A    B   G1/4"
 Ø  Ø                   31  21             32,5  45
              ∗                          22,5
                               P                                                    Pressure reducing valves                                                                                                     Pressure reducing valves
                                                                                      Pressure reducing valve
 3  42                   85       38
 45                        123
       CHARACTERISTICS  oil viscosity υ  = 30 mm /s         SCREw-IN CARTRIDGES INSTALLED                                          Pressure reducing valve
                                       2
 27,5                                                       The following screw-in cartridges are used in either the flange body or
 18,5  ∆p = f (Q)  Pressure loss/flow characteristics       the sandwich body:                                                     Flange- and sandwich construction                NG6
               over RV                                                                                                             • Q      = 30 l/min
         p [bar]               T                            Type       Designation                Data sheet no.                   • p  max    = 315 bar                        ISO 4401-03
 5,5    4  K0325             A    B                         MV.PM22    Pressure reducing valve                                        max
 Ø                                    G1/4"  45                                                                                    • p      = 200 bar
              ∗                                                        • pilot operated                2.2-530                        N red max
        3                      P          16,4
 40                      85       38
        2                  123                                                                                                     DESCRIPTION                        FUNCTION                           APPLICATION
        1                                                            REMARK!                                                       Flange or sandwich type directly operated     The spool is held in the home position by the   Pressure reducing valves are used for keeping
 18                                                                  Detailed performance data and additional hydraulic            3-way pressure reducing valve. The valve   spring. The connection to the consumer is fully   the pressure constant in a consumer, irrespec-
   12,5  0                                                           specifications may by drawn from the data sheets of the       reduces the inlet pressure to a preset out-  open. The reduced pressure can be adjusted at   tive of pressure fluctuations on the supply side.
          0       20       40      60       80  Q [l/min]            corresponding installed cartridge.                            put pressure. The integrated pressure relief   the adjustment spindle, irrespective of the inlet   If several consumers are used, the reduced
                               T                                                                                                   function prevents the reduced pressure from   pressure. If the reduced pressure increases,   pressure can be set individually with the aid if
 5,5                        A     B                                                                                                being exceeded as a result of external forces.   it displaces the valve towards the spring. The   one pressure control valve for each consumer.
 Ø                                    G1/4"  45                                                                                    Two types of setting and five pressure stages   volume flow at the valve inlet is then throttled,   Generally speaking, pressure control valves
         18,5  ∗               P          16,5                      CAUTION!
                                                                    The performace data especially the „pressure-flow-cha-         are available. A pressure gauge connection is   controlling the reduced pressure. If forces   are used for reducing a hydraulic pressure to
 50                      88       37                                racteristic„ on the data sheets of the screw-in catridges      provided in the reduced connection. A by-pass   acting on the consumer allow the reduced   a lower level. The integrated pressure relief
                           125                                      refere to the screw-in cartridges only. The additional press-  non-return valve plate for the flange valve for   pressure to be increased above the set value,   function obviates the need for any additional
                                                                    ure drop of the flange body respectivly sandwich body must     free flow from A to P (B port not drilled) can   the spool is displaced until the valve inlet closes   pressure relief valve in the reduced pipe. Di-
                                                                    be taken into consideration.                                   be ordered separately. In the sandwiches with   and the tank port opens. The pressure increase   rectly operated pressure reducing valves also
                                                                                                                                   control in A or B line by-pass check valves are   is then limited to a low value, controlled by   keep the reduced pressure stable, even under
                                                                                                                                   integrated. The flange valve body is painted,   the spring.           very difficult operating conditions.
       TYPES / DIMENSIONS                                                                                                          the other parts are zinc-nickel coated.
       Flange             Sandwich                                            MV.FA06-P/A
       MV.FA06-P/A        MV.SA06-P                                                          21,5 19
                            A  P red   T B                         10                         17,8       20                                                           TYPE CODE
                                                               22,5
                                                                                                                                                                                                               A  DRV  d   6   /      #
                                                                                              T
                                                     9,5  5,5                               A     B   G1/4"                                                           International mounting interface ISO
                                                     Ø  Ø                     ∗         31  21            32,5  45                                                    Pressure reducing valve
        A   P  T            A  P       T B                                                    P          22,5                                                         Direct operated
                          MV.SA06-A                      3    42                        85        38
                            A         P T B                  45                            123                                                                        Type list / function
                                                                                                                                                                      Flange design                N
                                                                                                                                                                      Sandwich design, P  in P
                                                                                                                                                                                    red
                                                              27,5                                                                                                    Sandwich design, P  in A     A
                                                                                                                                                                                    red
                                                               18,5           MV.SA06-P                                                                               Sandwich design, P  in B      B
                                                                                                                                                                                    red
                           A red       P T B                                                  T                                                                       Interface NG6
                                                       5,5                                  A     B   G1/4"                                                           Type of adjustment   Key
                          MV.SA06-B                    Ø                      ∗                            45                                                                          Control knob   D
                            A P T        B                                                    P          16,4                                                                          Cover       H
                                                              40                        85        38                                                                  Pressure range p       31,5 bar      31,5
                                                                                           123                                                                                     N red        63 bar       63
                                                                                                                                                                                              125 bar      125
                                                               18              MV.SA06-A                                                                                                      160 bar      160
                                                                   12,5                                                                                                                       200 bar      200
                            A P T       B red
                                                                                              T                                                                       Design-Index (Subject  to change)
                                                       5,5                                  A     B
                                                       Ø                                              G1/4"  45
                                                                         18,5  ∗              P          16,5
                                                             50                         88        37                               GENERAL SPECIFICATIONS                               HYDRAULIC SPECIFICATIONS
                                                                                           125                                     Description         Direct operated pressure control valve  Fluid          Mineral oil, other fluid on request
                                                                                                                                   Nominal size        NG6 acc. to ISO 4401-03          Contamination efficiency   ISO 4406:1999, class 18/16/13
       PARTS LIST                                           For sandwich red.pressure in B cartridge is located on B-side.         Construction        Flange- or sandwich                                    (Required filtration grade ß 6…10≥75)
                                                                                                                                   Mounting            4 mounting holes for zyl. screws M5 or                 refer to data sheet 1.0-50/2
         Position   Article   Description                   ∗ The total lengths depends on the cartridge type,                                         double ended screws M5           Viscosity range       12 mm /s…320 mm /s
                                                                                                                                                                                                                   2
                                                                                                                                                                                                                            2
                                                                see data sheet 2.2-530.                                            Connection          Threaded connection plates       Fluid temperature     -20...+70 °C
         10     160.2093     O-ring ID 9,25x1,78                                                                                                       Multi-flange subplates           Peak pressure         p max   = 315 bar
         20     238.2406     Plug VSTI G1/4"-ED             ACCESSORIES                                                                                Longitudinal stacking system     Tank load in connection T   p T max  = 50 bar
                                                                                                       T B
                                                                                            A
                                                                                               P red
                                                            Threaded connection plate and multi-flange subplates   Reg. 2.9        Ambient temperature   -20 ...+50 °C                  Nominal pressure      p N red   = 31,5 bar, p N red  = 63 bar
                                                            Bypass non-return valve ADRVP6                                         Mounting position   any                                                    p N red   = 125 bar, p N red  = 160 bar
                                                                                                                                   Fastening torque    M  = 5,5 Nm (Quality 8.8)                              p N red   = 200 bar
                                                                                                                                                         D
                                                            Technical explanation see data sheet 1.0-100                           Weight              m   = 2,0 kg                     Opening pressure      p    = 0,2 bar
                                                                                                                                                                                                               ö
                                                                                                                                                                                        to non-return valve
                                                                       A   P   T            A  P       T B                                                                              Volume flow           Q = 0…30 l/min

                                                                                            A         P T B
       Wandfluh AG        Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.     Wandfluh AG         Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.
       Postfach           Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   2.2-640E 2/2              Postfach            Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   2.2-650E 1/2
       CH-3714 Frutigen                                                                            Edition 10 33                   CH-3714 Frutigen                                                                             Edition 21 30
       Page 924
                                                                                           A red      P T B
                                                                                           A P T        B





                                                                                           A P T       B red
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