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Proportional pressure reducing valve
                                                                         Proportional pressure reducing valve                                                                                          Proportional pressure reducing valve


       COMMISSIONING                                       ACCESSORIES                                                             Proportional pressure reducing cartridge
       For DSV amplifiers as a rule no parameter adjustments by the cusot­  Parameterisation software  See start­up                 ◆  pilot operated                                   M22 x 1,5
       mer are required. The plugs have to be connected in accordance with                                                          ◆  Q  = 40 l/min                                    ISO 7789
                                                                                                                                       max
       the chapter «Electrical connection».                 Parameterisation cable for interface   Article no. 219.2896             ◆  p  = 400 bar
                                                            USB                                                                       p max   = 350 bar                                 x II 2 G Ex db IIC T6, T4
                                                            (from plug type A on Mini B, 3 m)                                       ◆  N red max                                        x II 2 D Ex tb III C T80 °C, T130 °C
       Controllers are supplied configured as amplifiers. The adjustment of
       the mode of control and of the controller are carried out by the custo­  Mating connector (plug female) for analog interface                                                     x I M2 Ex db I Mb
       mer by means of the software adjustment (USB interface, Mini B).  straight, soldering contact M23, 12   Article no. 219.2330                                                     Class I Division 1
       Further information can be found on: «www.wandfluh.com».  pole                                                                                                                   Class I Zone 1
       Free­ of charge download of the «PASO» software and the operation   angled, soldering contact M23, 12   Article no. 219.2331
       instructions for «DSV» hydraulic valves as well as the operation inst­  pole
       ructions CANopen Protocol resp. Profibus DP Protocol, with Device   straight, soldering contact, 7 pole  Article no. 219.2335  DESCRIPTION                                       APPLICATION
       Profile DSP­408 for «DSV».                                                                                                  Pilot  operated  proportional  pressure  reducing  valve  in  screw-in   These  valves  are  suitable  for  applications  in  explosion-hazard
                                                                                                                                   cartridge construction for cavity according to ISO 7789. Proportio-  areas, open cast and also in mines. The electrical remote control in
                                                            Flange body / sandwich plate   Data sheet 2.3­820                      nally to the solenoid current, the solenoid force and the pressure in   conjunction  with  process  controls  allows  economical  solutions
                                                            NG4­Mini                                                               port A (1) rise. The valve functions practically independently of the   with repeatable processes. The screw-in cartridge is perfectly sui-
       Note!   The mating connectors and the parameterisation cable   Flange body / sandwich plate NG6  Data sheet 2.3­840         pressure in port P (2). Pressure increase in the consumer port A (1)   table for installation in control blocks and is installed in sandwich-
               are not part of the delivery. Refer to chapter «Accesso­                                                            to above the adjusted value, e.g. through an active consumer, is   (vertical stacked systems) and in flange plates (corresponding data
               ries».                                       Flange body / sandwich plate NG10  Data sheet 2.3­860                  avoided by discharging excess oil to the tank T (3). With the sole-  sheets in this register). For machining the cartridge cavity in steel
                                                            Threaded body                Data sheet 2.9­210
                                                                                                                                   noid deenergised, the oil flows freely from consumer port A (1) to   and aluminum blocks, cavity tools are available (hire or purchase).
                                                            Technical explanations       Data sheet 1.0­100                        port  T  (3).  For  the  control,  Wandfluh  proportional  amplifiers  are   Please refer to the data sheets in register 2.13.
                                                            Filtration                   Data sheet 1.0­50                         available  (see  register  1.13).  The  pressure  tight  encapsulated
                                                            Relative duty factor         Data sheet 1.1­430                        Ex-protection  solenoid  coil  prevents  an  explosion  on  the  inside
                                                                                                                                   penetrating to the outside as well as an ignitable surface tempera-
                                                           Note!    Auxiliary conditions for the cable:                            ture.
                                                                    – External diameter 12 pol: 3,5…14,7 mm
                                                                    – External diameter 7 pol: 8…10 mm
                                                                    – Wire cross section max. 1 mm 2                               SYMBOL                                               CERTIFICATES
                                                                    – Recommended wire cross section:
                                                                    0…25 m = 0,75 mm  (AWG18)                                                                                                         Surface   Mining  Standard   M248
                                                                                 2
                                                                    25…50 m = 1 mm  (AWG17)                                              (A) 1                                                                           -25 °C   Electronic
                                                                                2
                                                                                                                                                                                                                          to…
       INSTALLATION NOTES                                  STANDARDS                                                                                                                     ATEX           x         x        x        x
                                                                                                                                                                                         IECEx          x         x        x        x
       Mounting type      Screw­in cartridge M22 x 1,5      Cartridge cavity   ISO 7789                                              (P) 2  (T) 3
       Mounting position  Any, preferably horizontal        CANopen            DRP 303­1                                                                                                 CCC            x         x        x        x
       Tightening torque  M  = 60 Nm Screw­in cartridge     Profibus DP        IEC 947­5­2                                                                                               EAC            x         x        x        x
                            D
                          M  = 5 Nm knurled nut             Protection class   EN 60 529                                                                                                 Australia      x         x        x
                            D
                                                            Contamination      ISO 4406                                                                                                  MA                       x        x        x
                                                            efficiency                                                                                                                   UL / CSA       x                  x
                                                                                                                                                                                        The certificates can be found on www.wandfluh.com
       SEALING MATERIAL                                    MANUAL OVERRIDE
       NBR or FKM (Viton) as standard, choice in the type code  HB4,5 as standard
                                                                                                                                   GENERAL SPECIFICATIONS                               ACTUATION
                                                                                                                                    Designation        Proportional pressure reducing valve  Actuation      Proportional solenoid, wet pin push
       SURFACE TREATMENT                                                                                                            Construction       Pilot operated                                       type, pressure tight
       ◆  The cartridge body and the solenoid are zinc­nickel coated                                                                Mounting           Screw-in cartridge construction   Execution          MKY45 / 18x60 (data sheet 1.1-183)
       ◆  The electronics housing is made of aluminium.                                                                             Nominal size       M22 x 1,5 according to ISO 7789                      MKU45 / 18x60 (data sheet 1.1-184)
                                                                                                                                    Actuation          Proportional solenoid             Connection         Cable gland for cable Ø 6,5…14 mm
                                                                                                                                    Ambient temperature  Operation as T4                Attention!  The UL execution is always supplied without cable
                                                                                                                                                       -25…+70 °C (L15 / L17)                    gland
                                                                                                                                    Weight             2,2 kg
                                                                                                                                    MTTFd              150 years



                                                           Wandfluh AG  Postfach  CH­3714 Frutigen
                                                           Tel. +41 33 672 72 72  Fax +41 33 672 72 12  sales@wandfluh.com

                         www.wandfluh.com  Illustrations are not binding  Data subject to change  6/6  Edition: 20 22  2.3-643 E                      www.wandfluh.com  Illustrations are not binding  Data subject to change  1/4  Edition: 21 21  2.3-644 E
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