Page 1105 - Softbound_Edition_19_en
P. 1105

Proportional
  pressure reducing valves                                                      Proportional pressure reducing valve
                                                                                   Proportional pressure relief valve

            Proportional pressure reducing valve
 SCREw-IN CaRTRIDGES INSTallED
 The following screw-in cartridges are used in either the flange body or the sandwich   REMaRK!  Flange construction  NG4-Mini
 body:  Detailed performance data and additional hy-             Wandfluh standard
 Type   Designation   Data sheet no.   Q max *  draulic and electric specifications may by drawn   ◆  direct operated
 MVPPM22   pilot operated   2.3-629   20 l/min  from the data sheets of the corresponding   ◆  Q  = 4 l/min
                max
 MQPPM22   pilot operated from connection P   2.3-641   20 l/min  installed screw-in cartridge.  ◆  p  = 350 bar
 MVBPM22   pilot operated, explosion proof Ex d   2.3-635   20 l/min   p max   = 25 bar
 MVPPM22-../ME  pilot operated, with integr.atedelectronics 2.3-632   20 l/min  CaUTION!  ◆  N red max
 MQPPM22-../ME  pilot operated from connection P,   2.3-643   20 l/min  The performace data especially the „pressure-
    with integrated electronics  flow-characteristic„ on the data  sheets  of
 the screw-in catridges refere to the screw-in
 cartridges only. The additional press-ure drop
 of the flange body respectivly sandwich body   DESCRIPTION      APPLICATION
 * Can deviate from the value on the data sheets of the screw-in cartridges.  must be taken into consideration.  Direct  operated  proportional  pressure  reducing  valve  in  flange   This pressure reducing valve is used as a pilot valve for proportio-
 ** Do not unse anymore for new applications.
            construction. Proportionally to the solenoid current, the solenoid   nal spool valves NG10 (WV_FA10). The electrical remote control in
 TyPE lIST / FUNCTION  force increases on the a-side and on the b-side, respectively, whe-  conjunction  with  process  controls  allows  economical  solutions
 Flange construction:   Sandwich construction:
 A  P red.  T  B  A  P T  B  A  P T  B  reby the pressure increases in port B and A, respectively. The valve   with repeatable processes.




 A  P red.  T  B  A  P T  20  B  10 A  P T  28  B  30  operates practically independently of the input pressure. Pressure
 24  14     increase  in  the  consumer  port  to  above  the  adjusted  value,  e.g.
 22           through an active consumer, is avoided by discharging excess oil to
 A  P T  B  A  P T  B  A red.  P T  B  ∗  A  P  B  G1/4"  the tank. With the solenoid deenergised, the oil flows freely from
 A  P T  B  22  A  27  14  P T T  B red.  20  40  consumer port to the tank. For the control, Wandfluh proportional
 To
 A  P T  B  A red.  P T  B  A  P T  B red.  amplifiers are available (see register 1.13).

 5,5
 9,5
 MV.FA04-P/a  MV.SA04 - P  MV.SA04 - a  MV.SA04 - B
 Ø  Ø  8  32  82  38
 A  P red.  T  B  A  P T  B  A  P T  B  SYMBOL
 40
 120
 A  P red.  T  B  A  P T  B  A  P T  B
            simplified
 24                      P / AB                               P / B                       P / A
 22
 A  P T  B  A red.  P T  B  P  G1/4"  A  B                       A  B                   A  B
 A  P T  B  A  P T  B  ♦  ♦  ∗  A  P T  A  B B red.  40
 A red.
 A
 A
 MQ.FA04-P/a  MQ.SA04 - P P T  B  MQ.SA04 - a P T  B 22  MQ.SA04 - B P T T  B red.  26,8  a  b  a  b
 To
              a                        b             a                b               a               b
 DIMENSIONS  5,5  40  82  38
 Ø
 Flange construction  Sandwich construction in A or B  120        P  T  P  T            P  T
 20  10  28  30  18  detailed
 24  14                  P / AB                               P / B                       P / A
 22  P  G1/4"           A    B                               A    B                      A    B
 ♦  ♦  ∗  A  B  40
 ∗  A  P  B  G1/4"  20  T  To  28,5  a  b              a              b               a              b
 27  14  40
 22  T  To  20  5,5
 Ø  40  83  39
 9,5  5,5  122           To  P  T                             To  P  T                    To  P  T
 Ø  Ø  8  32  82  38
 40  120
 For sandwich red. pressure in B cartridge is located on B-side.
 Sandwich construction in P
 24
 22         ACTUATION                                            INSTALLATION NOTES
             Actuation          Proportional solenoid, wet pin push   Mounting type  Flange mounting
 P
 ∗  A  B  G1/4"
 ♦  ♦  40                       type, pressure tight                                 3 fixing holes for
 22  T  To  26,8  Execution     W.S37 / 19 x 50 (Data sheet 1.1-173)                 socket head screws M5 x 40
 ∗  The envelop dimensions of the screw-in cartridge are shown on
 5,5  40                        M.S35 / 19 x 50 (Data sheet 1.1-174)  Mounting position  Any, preferably horizontal
 Ø  82  38     their corresponding data sheets.
 120         Connection         Connector socket EN 175301 – 803  Tightening torque  Fixing screws M  = 5,2 Nm (screw
                                                                                                D
 ♦  Distance plate BDP4/... must be ordered separatly.  Connector socket AMP Junior-Timer  quality 8.8, zinc coated)
 18                             Connector Deutsch DT04 – 2P                          M  = 5 Nm knurled nut
 PaRTS lIST  aCCESSORIES                                                              D
 Proportional amplifier   register  1.13                         Note!    The length of the fixing screw depends on the base
 Position   Article   Description  A  P  B  G1/4"
 ∗
 ♦  ♦  40  Distance plate BDP4/12 (12 mm)   art. no. 173.1450             material of the connection element.
 10   617.3 ...   Screw-in cartridge  T  To  28,5  Distance plate BDP4/20 (20 mm)   art. no. 173.1451
 20
 20  5,5  160.2052   O-ring ID 5,28x1,78  Distance plate BDP4/30 (30 mm)   art. no. 173.1452
 40
 83
 30  Ø  238.2406   Plug VSTI G1/4"-ED   39
 122
       (only flange and sandwich type in P)  Technical explanation see data sheet 1.0-100
 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   2.3-820E 2/2   www.wandfluh.com  Illustrations are not binding  Data subject to change  1/4  Edition: 22 01  2.3-825 E
 CH-3714 Frutigen                   Edition 14 04
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