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Proportional
                                                                                Proportional pressure reducing valve
 pressure reduced valves                                                       Proportional pressure reducing valve


 DIMENSIONS  Proportional pressure reducing cartridge
 With analog interface  M22x1,5  Cavity drawing acc. to  ◆  pilot operated  M22 x 1,5
 Amplifier and controller  ISO 7789–22–04–0–98  ◆  Q  = 60 l/min  ISO 7789
                max
 40  21, 22  25, 30
             ◆  p  = 400 bar                                     x II 2 G Ex db IIC T6, T4
                max
             ◆  p    = 350 bar
                N red max                                        x II 2 D Ex tb III C T80 °C, T130 °C
 X2
                                                                 x I M2 Ex db I Mb
 X1  (3)                                                         Class I Division 1
                                                                 Class I Zone 1
 83  X4 (Nur Regler)  50  80  90  (2)
 15        (controller only)  60  70
            DESCRIPTION                                          APPLICATION
            Pilot  operated  proportional  pressure  reducing  valve  in  screw-in   These  valves  are  suitable  for  applications  in  explosion-hazard
 A(1)  (1)
 35         cartridge construction for cavity according to ISO 7789. Proportio-  areas, open cast and also in mines. The electrical remote control in
 17.5       nally to the solenoid current, the solenoid force and the pressure in   conjunction  with  process  controls  allows  economical  solutions
 s30  M22x1.5  T(3)  P(2)  (1)  port A (1) rise. The valve functions practically independently of the   with repeatable processes. The screw-in cartridge is perfectly sui-
 17  18     pressure in port P (2). Pressure increase in the consumer port A (1)   table for installation in control blocks and is installed in sandwich-
 20  95  For detailed cavity drawing
 135  60  and cavity tools see data sheet 2.13-1004  to above the adjusted value, e.g. through an active consumer, is   (vertical stacked systems) and in flange plates (corresponding data
 195        avoided by discharging excess oil to the tank T (3). With the sole-  sheets in this register). For machining the cartridge cavity in steel
            noid deenergised, the oil flows freely from port P (2) to consumer   and aluminum blocks, cavity tools are available (hire or purchase).
 With fieldbus interface  With fieldbus interface
 Amplifier  Controller  port  A  (1).  For  the  control,  Wandfluh  proportional  amplifiers  are   Please refer to the data sheets in register 2.13.
            available  (see  register  1.13).  The  pressure  tight  encapsulated
            Ex-protection  solenoid  coil  prevents  an  explosion  on  the  inside
 X2  X2
            penetrating to the outside as well as an ignitable surface tempe-
 X1  X1
            rature.
 83  X3  X3  SYMBOL                                              CERTIFICATES
 101
 X4                                                                            Surface   Mining  Standard   M248
                    (A) 1                                                                         -25 °C   Electronic
 35  A(1)                                                                                          to…
 17.5                                                             ATEX           x         x        x        x
 s30  M22x1.5  T(3)  P(2)  17.5                                   IECEx          x         x        x        x
 90  60           (P) 2  (T) 3                                    CCC            x         x        x        x
 150
                                                                  EAC            x         x        x        x
                                                                  Australia      x         x        x
 PARTS LIST  ACCESSORIES
 Flange-/sandwich plate NG4-Mini   Data sheet 2.3-820             MA                       x        x        x
 Position  Article  Description  Flange-/sandwich plate NG6   Data sheet 2.3-840  UL / CSA  x       x
 15  253.8000  HB 4,5 Manual override (data sheet 1.1-300)  Flange-/sandwich plate NG10   Data sheet 2.3-860
 Data sheet 2.9-210
 Line mount body
 17  160.2187  O-ring ID 18,72 x 2,62 (NBR)  • Set-up software   see start-up  The certificates can be found on www.wandfluh.com
 18  160.2170  O-ring ID 17,17 x 1,78 (NBR)  • Cable to adjust the settings through interface USB  GENERAL SPECIFICATIONS      ACTUATION
 A(1)
 20  154.2700  Knurled nut    (from plug type A to Mini B, 3 m)    article no. 219.2896   Designation  Proportional pressure reducing valve  Actuation  Proportional solenoid, wet pin push
 21  223.1317  Dummy plug M16 x1,5  • Cable connector for analog interface:  Construction  Pilot operated  type, pressure tight
 22  160.6131  O-ring ID 13,00 x1,5    – straight, soldering contact    article no. 219.2330  Mounting  Screw-in cartridge construction  Execution  MKY45 / 18x60 (data sheet 1.1-183)
 25  062.0102  Cover square    – 90°, soldering contact   article no. 219.2331  Nominal size  M22 x 1,5 according to ISO 7789  MKU45 / 18x60 (data sheet 1.1-184)
 30  072.0021  Gasket 33,2 x 59,9 x 2    Recommended cable size:  Actuation  Proportional solenoid  Connection  Cable gland for cable Ø 6,5…14 mm
   – Outer diameter 9…10,5 mm
 P(2)
 40  208.0100  Socket head cap screw M4 x10    – Single wire max. 1 mm 2
 T(3)
 50  160.2188  O-ring ID 18,77 x 1,78 (NBR)    – Recommended wire size:   Ambient temperature  Operation as T6  Attention!  The UL execution is always supplied without cable
 2
 160.6188  O-ring ID 18,77 x 1,78 (FKM)      0…25 m = 0,75 mm  (AWG18)  -25…+40 °C (L9)  gland
 2
 60  160.2156  O-ring ID 15,60 x 1,78 (NBR)      25…50 m = 1 mm  (AWG17)  Operation as T4
 160.6156  O-ring ID 15,60 x 1,78 (FKM)  -25…+90 °C (L9)
 70  160.2140  O-ring ID 14,00 x 1,78 (NBR)  -25…+70 °C (L15 / L17)
 160.6141  O-ring ID 14,00 x 1,78 (FKM)  Technical explanation see data sheet 1.0-100   Weight  2,2 kg
 80  049.3196  Backup ring RD 16,1 x 19 x 1,4  MTTFd  150 years
 90  049.3176  Backup ring RD 14,1 x 17 x 1,4




 Wandfluh AG   Tel.  +41 33 672 72 72   E-mail:  sales@wandfluh.com   Illustrations not obligatory   Data sheet no.
 Postfach   Fax  +41 33 672 72 12   Internet:  www.wandfluh.com   Data subject to change   2.3-632E 4/4  www.wandfluh.com  Illustrations are not binding  Data subject to change  1/4  Edition: 21 21  2.3-635 E
 CH-3714 Frutigen                   Edition 17 01
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