Page 936 - Softbound_Edition_19_en
P. 936

Proportional pressure relief valve



                                                                                                                                   Proportional pressure relief cartridge
                                                                                                                                    ◆  direct operated                                  M18 x 1,5
                                                                                                                                    ◆  Q  = 8 l/min                                     ISO 7789
                                                                                                                                       max
                                                                                                                                    ◆  p  = 350 bar
                                                                                                                                       max
                                                                                                                                    ◆  p   = 315 bar
                                                                                                                                       N max





                                                                                                                                   DESCRIPTION                                          APPLICATION
                                                                                                                                   Direct  operated  proportional  pressure  relief  valve  in  screw-in    The electrical remote control in conjunction with process controls
                                                                                                                                   cartridge construction for cavity according to ISO 7789. Good flow   allows  economical  solutions  with  repeatable  processes.  The
                                                                                                                                   capacity  due  to  the  differencial  area  principle,  very  sensitively     screw-in cartridge is perfectly suitable for installation in control
                                                                                                                                   adjustable. When the operating pressure adjusted by means of the   blocks and is installed in sandwich-  (vertical stacked systems) and
                                                                                                                                   proportional solenoid is reached, the valve opens and connects the   in  flange  plates  (corresponding  data  sheets  in  this  register).  For
                                                                                                                                   protected line with the drain to the tank. The back pressure in T (2)   machining the cartridge cavity in steel and aluminum blocks, cavity
                                                                                                                                   affects the pressure in P (1). For the control, Wandfluh proportional   tools  are  available  (hire  or  purchase).  Please  refer  to  the  data
                                                                                                                                   amplifiers are available (see register 1.13).        sheets in register 2.13.







                                                                                                                                   SYMBOL                                               ACTUATION
                                                                                                                                                                                         Actuation          Proportional solenoid, wet pin push
                                                                                                                                          (T) 2                                                             type, pressure tight
                                                                                                                                                                                         Execution          PI29V (Data sheet 1.1-90)
                                                                                                                                                                                         Connection         Connector socket EN 175301 – 803

                                                                                                                                          (P) 1



                                                                                                                                   TYPE CODE

                                                                                                                                                                                                            B  D  P  PM18  -     -     -     #
                                                                                                                                    Pressure relief valve
                                                                                                                                    Direct operated

                                                                                                                                    Proportional

                                                                                                                                    Screw-in cartridge  M18 x 1,5
                                                                                                                                    Nominal pressure range p    20 bar   20   200 bar       200
                                                                                                                                                     N
                                                                                                                                                           100 bar      100   315 bar       315

                                                                                                                                    Nominal voltage U      12 VDC       G12
                                                                                                                                                N
                                                                                                                                                           24 VDC       G24

                                                                                                                                    Sealing material       NBR
                                                                                                                                                           FKM (Viton)   D1
                                                                                                                                    Design index (subject to change)
                                                                                                                                    2.3-520








                                                                                                                                                      www.wandfluh.com  Illustrations are not binding  Data subject to change  1/3  Edition: 19 15  2.3-520 E
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