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Proportional flow control valve
                                                                                     Proportional flow control valve


            Proportional 2-way flow control cartridge
             ◆  direct operated, pressure compensated            M33 x 2
             ◆  Q  = 80 l/min                                    ISO 7789
                max
             ◆  Q N max  = 80 l/min
             ◆  p  = 350 bar
                max




            DESCRIPTION                                          APPLICATION
            Direct operated, pressure compensated proportional flow control   Proportional  flow  control  valves  are  suitable  for  precise  speed
            valve as screw-in cartridge for cavity according to ISO 7789.  With     control, where the load current has to be maintained constant inde -
            the solenoid deenergised, the control spool is held in the closed   pendent of the input and output pressure. The screw-in cartridge is
            position (QN) or open position (QO) by a spring. The change of the   perfectly suitable for installation in control blocks and is installed in
            electric current is followed by a proportional volume flow change.   sandwich-  (vertical stacked systems) and in flange plates (corres-
            From the input (1), the fluid flows over the control and throttling   ponding data sheets in this register). For machining the cartridge
            spool to the controlled output (2). For the control, Wandfluh propor-  cavity in steel and aluminum blocks, cavity tools are available (hire

            tional amplifiers are available (see register 1.13).        or purchase). Please refer to the data sheets in register 2.13.







            TYPE CODE

                                                                      Q     P  PM33  -     -     /        -     HB4,5  #
             Flow control valve

             Normally closed                  N
             Normally open                     O
             Proportional

             Screw-in cartridge M33 x 2
             Nominal volume flow rate Q    normally closed  normally open
                               N
                                    32 l/min   32    32 l/min   32
                                    63 l/min   63    63 l/min   63
                                    80 l/min   80

             Nominal voltage U N     12 VDC   G12
                                     24 VDC   G24
                                   without coil   X5

             Slip-on coil        Metal housing round          W
                                 Metal housing square         M
             Connection execution   Connector socket EN 175301-803 / ISO 4400   D
                                 Connector socket AMP Junior-Timer   J
                                 Connector Deutsch DT04-2P    G

             Sealing material    NBR
                                 FKM (Viton)    D1
             Manual override

             Design index (subject to change)
             2.6-651








                               www.wandfluh.com  Illustrations are not binding  Data subject to change  1/4  Edition: 20 41  2.6-651 E
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