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    • Main Office
      Burkert Contromatic (Proprietary). Ltd.
      Visitors address:

      233 Albert Amon Road
      Millennium Business Park
      Meadowdale / Germiston

      Mailing address:

      P.O. Box 26260
      East Rand
      1462
      Phone +27 11 574 6000
      Fax +27 11 454 1477
      E-Mail fnyrf.mn@ohexreg.pbz
    • Office
      Durban Branch
      32 Grays-Inn Crescent
      Westville

      Phone +27 31 266 1600
      Fax +27 31 266 1495
      E-Mail fnyrf.mn@ohexreg.pbz
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      Cape Town Branch
      Unit 26, Northgate Business Park
      Northgate Estate

      Phone +27 21 510 7137
      Fax +27 21 510 7135
      E-Mail fnyrf.mn@ohexreg.pbz
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Solenoid valves, servo-assisted, with 3/2-way pilot

A pivoted-armature or rocker valve with isolating diaphragm is used as the pilot valve. The essential difference with respect to the 2-way pilot is that a medium does not flow through the pilot in an open switch position and thus there is a much slighter risk of clogged control bores due to dirty media. In addition, a diaphragm protects the solenoid armature against harmful influences. The chief field of application of this functional principle (e.g.: Type 142 and Type 5282) therefore obviously relates to both dirty media and aggressive media.

Advantages:

  • No small control bores in the diaphragm and thus less sensitive to dirty media
  • Solenoid chamber protected by isolating diaphragm
  • Only a small quantity of medium flows through the pilot valve for opening or closing
  • No medium flow through the pilot valve in open condition! This is a crucial advantage over valves with 2-way pilot.
  • Response times adjustable with adjusting screws
  • NC and NO function, possible simply by turning the pilot
  • Extremely high functional reliability
  • Also available as explosion-proof version.

Media-separated servo-assisted solenoid valve with diaphragm and 3/2-way pilot solenoid