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Proportional pressure relief valve
                                                                             Proportional pressure relief valve                                                                                               Proportional-Druckregelventil


       TYPE CODE                                                                                                                   DIMENSIONS
                                                                    B      P     A03  -     -     -     -     #                    Flange execution                                                    Sandwich execution
       Pressure relief valve                                                                                                       B.PFA03-P                                                           BDPSA03-...
                                                                                                                                                               7.5
       Pilot operated                       V
       Direct operated                      D                                                                                                                  4.3
                                                                                                                                                                       MD= 2.6Nm
                                                                                                                                                                                               2.5
       Proportional                                                                                                                                                          5                           68.8
       Flange construction                  F
       Sandwich construction                S                                                                                                                                  30
                                                                                                                                                                             25
       Mounting interface according to Wandfluh standard, NG3-Mini
                                                                                                                                                          10                20                         MD=5.5Nm   MD= 1.2Nm
       Type list /            flange construction    sandwich construction                                                                                                   MD= 18Nm                           10       66
       Function               in P          P     in P         P                                                                                             67            4.7
                                                  in A         A
                                                  in B         B
                                                  in A and B   AB

       Nominal pressure range p    pilot operated  direct operated
                        N
                              20 bar       20     20 bar       20                                                                  Sandwich execution                                                  Sandwich execution
                              100 bar      100    100 bar      100                                                                 B.PSA03-P                                                           BVPSA03-...
                              200 bar      200    200 bar      200
                              315 bar      315    315 bar      315                                                                                               P
                                                                                                                                                              A     B           30
       Nominal voltage U      12 VDC       G12
                   N
                              24 VDC       G24                                                                                                              T        To
       Sealing material       NBR                                                                                                                        10                                               68.8
                              FKM (Viton)   D1                                                                                                            48

       Design index (subject to change)                                                                                                                        80             4.7
       2.3-700

                                                                                                                                                                                                       MD=5.5Nm     MD= 1.2Nm
                                                                                                                                                                                                                 10         66
       HYDRAULIC SPECIFICATIONS                            PERFORMANCE SPECIFICATIONS                                              Sandwich execution

       Working pressure   p  = 350 bar                              Detailed performance specifications as well as further         B.PSA03-A / B / AB
                           max                             Note!
       Nominal pressure   Pilot or direct operated                  hydraulic specifications can be found on the data sheet                                                                        31.9
       range              P  = 20 bar, 100 bar, 200 bar, 315 bar    of the pressure reducing cartridge installed.
                           N                                                                                                                                                                       29.5
       Volume flow range  Q = 0…8 l/min                    Attention!  The performance data especially the „pressu-
       Fluid              Mineral oil, other fluid on request       re-flowcharacteristic„ on the data sheets of the                                                                             0.25
       Viscosity range    12 mm /s…320 mm /s                        screw-in catridges refere to the screw-in cartridges                                                                                    2.4
                               2
                                        2
       Temperature range   -25…+70 °C (NBR)                         only. The additional pressure drop of the flange body
       fluid              -20…+70 °C (FKM)                          respectivly sandwich body must be taken into conside-                                        P
       Contamination      Class 18 / 16 / 13                        ration.                                                                                    A    B                   30                  4.2
       efficiency                                                                                                                                            T        To
       Filtration         Required filtration grade ß 6…10 ≥ 75,
                          see data sheet 1.0-50                                                                                                           10                               10        30   40
                                                                                                                                                          48                       25
                                                                                                                                                                                      MD=18Nm
                                                                                                                                                                  96
       VALVES INSTALLED                                                                                                            B.PSA03-A: Cartridge on A side
       The following screw-in cartridges are used in either the flange body or the sandwich body.                                  B.PSA03-B: Cartridge on B side
                                                                                                                                   B.PSA03-AB: Cartridge on A and B side
       Article       Description                                                       Data sheet no.
       BVPPM18       Proportional pressure relief cartridge pilot operated             2.3-510
       BDPPM18       Proportional pressure relief cartridge direct operated            2.3-520







                         www.wandfluh.com  Illustrations are not binding  Data subject to change  2/4  Edition: 21 24  2.3-700 E                     www.wandfluh.com  Abbildung unverbindlich  Änderungen vorbehalten  3/4  Ausgabe: 21 24  2.3-700 D
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