Page 902 - Softbound_Edition_19_en
P. 902

Pressure reducing valve



                                                                                                                                   Pressure reducing cartridge stainless
                                                                                                                                    ◆  pilot operated                                   M22 x 1,5
                                                                                                                                    ◆  p  = 400 bar                                     ISO 7789
                                                                                                                                       max
                                                                                                                                    ◆  p N red max  = 350 bar
                                                                                                                                    ◆  Q  = 80 l/min
                                                                                                                                       max


                                                                                                                                   DESCRIPTION                                          APPLICATION
                                                                                                                                   Pilot operated pressure reducing valve in screw-in cartridge const-  The  integrated  pressure  relief  makes  an  additional  pressure  relief
                                                                                                                                   ruction for cavity according to ISO 7789. The valve reduces the input   valve in the consumer line superfluous. In the case of several consu-
                                                                                                                                   pressure to an adjustable output pressure. Through the integrated   mers, the pressure of the specific consumers can be individually ad-
                                                                                                                                   pressure relief function, exceeding the reduced pressure as a result   justed by the pressure reducing valve. Pressure reducing valves are
                                                                                                                                   of external forces is avoided. The  pressure reducing valve controls   used  to maintain the pressure in a consumer constant independent
                                                                                                                                   the pressure in port A (1). Through increasing the spring tension, the   of pressure fluctuations on the supply side.  The screw-in cartridge is
                                                                                                                                   pressure in port A(1) rises.  The valve operates practically indepen-  perfectly suitable for installation in control blocks. For machining the
                                                                                                                                   dently of the pressure in port P (2). Pressure increase in port A (1) to   cartridge cavity in steel and aluminum blocks, cavity tools are availa-
                                                                                                                                   above the adjusted value, e.g. through an active consumer, is avoided   ble (hire or purchase). Please refer to the data sheets in register 2.13.
                                                                                                                                   by discharging excess oil to the tank (3). The stainless execution is
                                                                                                                                   especially suitable for the use in wet and salty environment.





                                                                                                                                   SYMBOL                                               ACTUATION
                                                                                                                                                                                         Actuation          Adjustment spindle M8 x 1
                                                                                                                                         (A) 1                                           Execution          S = blockable key adjustment
                                                                                                                                                                                                            D = blockable knob adjustment
                                                                                                                                                                                                            Optionally:
                                                                                                                                                                                                            G = star handle adjustment
                                                                                                                                     (P) 2  (T) 3                                        Actuation angle    a  = 1800 ° (5 rotations)
                                                                                                                                                                                                             b
                                                                                                                                                                                         Actuation stroke   S  = 5 mm
                                                                                                                                                                                                             b



                                                                                                                                   TYPE CODE
                                                                                                                                                                                                              M  V     PM22  -     -     K9  #
                                                                                                                                    Pressure reducing valve

                                                                                                                                    Pilot operated
                                                                                                                                    Type of adjustment     Key                      S
                                                                                                                                                           Control knob             D
                                                                                                                                                           Cover                    A
                                                                                                                                    Screw-in cartridge M22 x 1,5

                                                                                                                                    Nominal pressure range p N   63 bar            63
                                                                                                                                                           160 bar                 160
                                                                                                                                                           350 bar                 350

                                                                                                                                    Sealing material       NBR
                                                                                                                                                           FKM (Viton)             D1
                                                                                                                                                           NBR 872                y-Z604

                                                                                                                                    Stainless
                                                                                                                                    Design index (subject to change)
                                                                                                                                    2.2-530S




                                                                                                                                                    www.wandfluh.com  Illustrations are not binding  Data subject to change  1/3  Edition: 21 51  2.2-530S E
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