Page 928 - Softbound_Edition_19_en
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54
                                                          48
                             32,5  10                    20,8         20
                                                         P
                                                    1,5           G1/4"
                    10,5  6,5                     26,5  A    B
                                                                                      Pressure reducing valve
                    Ø  Ø                ∗       46                    60            Pressure reducing valves                                                                                                     Pressure reducing valves
                                   39                T         To   33,5
                       6     44                    95        45
       CHARACTERISTICS  oil viscosity υ  = 30 mm /s   140   SCREw-IN CARTRIDGES INSTALLED                                          Pressure reducing valve
                            50
                                       2
       ∆p = f (Q)  Pressure loss/flow characteristics       The following screw-in cartridges are used in either the flange body or   Flange- and sandwich construction            NG10
                                                            the sandwich body:
                              32
               over non-retourn valve                                                                                              • Q      = 80 l/min                          ISO 4401-05
         p [bar]                                            Type       Designation                Data sheet no.                   • p  max    = 315 bar
        4  K0337                                         P  MV.PM22  G1/4"  Pressure reducing valve                                • p max  = 160 bar
                                                       A       B       • pilot operated                2.2-530                        N red max
        3             6,5  Ø       40   ∗            T         To   42,5  60
        2                                                                                                                          DESCRIPTION                        FUNCTION                           APPLICATION
                            50                     95        45                                                                    Flange or sandwich type directly operated     The spool is held in the home position by the   Pressure reducing valves are used for keeping
        1                                             140            REMARK!                                                       3-way pressure reducing valve. The valve   spring. The connection to the consumer is fully   the pressure constant in a consumer, irrespec-
                               18                                    Detailed performance data and additional hydraulic
        0                      16                                    specifications may by drawn from the data sheets of the       reduces the inlet pressure to a preset output   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.                            pressure. The integrated pressure relief func-  the adjustment spindle, irrespective of the inlet   If several consumers are used, the reduced
                                                         P                                                                         tion prevents the reduced pressure from being   pressure. If the reduced pressure increases,   pressure can be set individually with the aid if
                                                                  G1/4"                                                            exceeded as a result of external forces. Two   it displaces the valve towards the spring. The   one pressure control valve for each consumer.
                                                       A     B                                                                     types of setting and four pressure stages are   volume flow at the valve inlet is then throttled,   Generally speaking, pressure control valves
                                                                      60
                      6,5               ∗                           42CAUTION!
                      Ø            40                               The performace data especially the „pressure-flow-cha-         available. A pressure gauge connection is pro-  controlling the reduced pressure. If forces   are used for reducing a hydraulic pressure to
                                                     T         To
                                                                    racteristic„ on the data sheets of the screw-in catridges      vided in the reduced connection. In the sand-  acting on the consumer allow the reduced   a lower level. The integrated pressure relief
                                                                    refere to the screw-in cartridges only. The additional press-  wiches with control in A or B line by-pass check   pressure to be increased above the set value,   function obviates the need for any additional
                            50                    93,5       46,5   ure drop of the flange body respectivly sandwich body must     valves are integrated. The flange valve body is   the spool is displaced until the valve inlet closes   pressure relief valve in the reduced pipe. Di-
                                                      140           be taken into consideration.                                   painted, the other parts are phosphated.  and the tank port opens. The pressure increase   rectly operated pressure reducing valves also
                                                                                                                                                                      is then limited to a low value, controlled by   keep the reduced pressure stable, even under
                                                                                                                                                                      the spring.                        very difficult operating conditions.
       TYPES / DIMENSIONS
       Flange             Sandwich                                            MV.FA10-P/A
       MV.FA10-P/A        MV.SA10-P    T B                             10                     54          20
                            A
                               P red
                                                                                              48
                                                                 32,5                         20,8                                                                    TYPE CODE
                                                                                                                                                                                                               A  DRV  d   10   /     #
                                                                                             P
                                                                                        1,5            G1/4"                                                          Mounting interface acc. to Wandfluh standard,
        A   P  T            A  P       T B              10,5  6,5                     26,5  A     B
                                                        Ø  Ø           39   ∗       46                    60                                                          Pressure reducing valve
                          MV.SA10-A                                                      T          To  33,5
                            A         P T B                                                                                                                           Direct operated
                                                            6    44                    95        45                                                                   Type list / function
                                                                 50                       140                                                                         Flange design                N
                                                                                                                                                                      Sandwich design, P  in P
                                                                                                                                                                                    red
                                                                  32          MV.SA10-P                                                                               Sandwich design, P  in A     A
                                                                                                                                                                                    red
                           A red      P T B                                                                                                                           Sandwich design, P  in B     B
                                                                                                                                                                                    red
                                                                                              P       G1/4"                                                           Interface NG10
                          MV.SA10-B                                                        A      B
                           A P T        B                 6,5  Ø       40   ∗            T          To  42,5  60                                                      Type of adjustment   Key     D
                                                                                                                                                                                       Control knob
                                                                                                                                                                                       Cover       H
                                                                 50                    95        45                                                                   Pressure range p N red       20 bar      20
                                                                                          140                                                                                                   50 bar       50
                                                                   18                                                                                                                         100 bar      100
                           A P T       B red                       16         MV.SA10-A                                                                                                       160 bar      160
                                                                                             P                                                                        Design-Index (Subject to change)
                                                                                                       G1/4"
                                                                                           A     B
                                                          6,5               ∗                             60
                                                          Ø            40                               42
                                                                                         T         To                              GENERAL SPECIFICATIONS                               HYDRAULIC SPECIFICATIONS
                                                                                                                                   Description        Direct operated pressure control valve  Fluid           Mineral oil, other fluid on request
                                                                 50                    93,5      46,5                              Nominal size       NG10 acc. to ISO 4401-05          Contamination efficiency   ISO 4406:1999, class 18/16/13
                                                                                          140                                      Construction       Flange- or sandwich                                     (Required filtration grade ß 6…10≥75)
                                                                                                                                   Mounting           4 mounting holes for zyl. screws M6 or                  refer to data sheet 1.0-50/2
                                                                                                                                                                                                                            2
                                                                                                                                                                                                                   2
       PARTS LIST                                           For sandwich red.pressure in B cartridge is located on B-side.                            double ended screws M6            Viscosity range       12 mm /s…320 mm /s
                                                            * The total lengths depends on the cartridge type,                     Connection         Threaded connection plates        Fluid temperature     -20…+70 °C
         Position   Article   Description                      see data sheet 2.2-530.                                                                Multi-flange subplates            Peak pressure         p p max   = 315 bar
                                                                                                                                                      Longitudinal stacking system
                                                                                                                                                                                        Tank load in connection T
                                                                                                                                                                                                                  = 50 bar
                                                                                                                                                                                                               T max
                                                                A
                                                                   P red
         10     160.2140     O-ring ID 14,00x1,78           ACCESSORIES    T B                        Reg. 2.9                     Ambient temperature   -20…+50 °C                     Nominal pressure      p p N red   = 20 bar, p N red  = 100 bar
                                                                                                                                   Mounting position
                                                                                                                                                                                                                             = 160 bar

                                                                                                                                                      any
                                                                                                                                                                                                                   = 50 bar, p
                                                            Threaded connection plate and multi-flange subplates
                                                                                                                                                                                                               N red
         20     238.2406     Plug VSTI G1/4"-ED             Bypass non-return valve BDRVP4                                         Fastening torque   M  = 9,5 Nm (quality 8.8)         Opening pressure      p    = 0,2 bar  N red
                                                                                                                                                       D
                                                                                                                                   Weight             m = 4,2 kg                        to non-return valve    ö
                                                                                                                                                                                        Volume flow           Q = 0…80 l/min

                                            A   P   T           A  P       T B
       Technical explanation see data sheet 1.0-100             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   2.2-660E 2/2              Postfach            Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   2.2-670E 1/2
       CH-3714 Frutigen                                                                            Edition 05 04                   CH-3714 Frutigen                                                                             Edition 21 30
       Page 928                                                A red       P T B
                                                               A P T         B
                                                                A P T      B red
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