Part-width section control | Individual nozzle control

Electrically remote-controlled TG valve chest

The TG part-width valve chest is available for either ISOBUS control or AmaSpray+. The part-width boom sections are quickly switched on and off without drips via electric motor valves with pressure relief. The amount applied is accurately and directly controlled by the operator terminal for all situations. An equal pressure compensation system is not required with this system.

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The DUS pressure recirculation system – proven more than 10,000 times

The AMAZONE DUS pressure recirculation system ensures a reliable circulation throughout the entire system. When starting the spraying operation, all the hoses including the spray lines are filled under pressure in the reverse direction with the mixed spray agent. This means the spray lines are always full and immediately ready to use across the entire working width. There is no waiting on the headland.

Every time individual part-width sections are shut off when turning and during transport, the spray agent continues to circulate thanks to the pressure recirculation system. This reliably prevents deposits, blockages or segregation in the spray lines.

During the cleaning operation, fresh water flushes the spray lines out right up to the nozzles without any spraying being necessary. During this cleaning procedure, the concentrated spray agent is returned back to tank via the pressure recirculation system leaving the spray lines clean.

  1. Start
  2. without DUS
  3. with DUS Immediate coverage over the full working width
  4. ca. 40 metres

  1. from the pump
  2. Pressure relief valve
  3. Non-return valve
  4. Spray line
  5. The pressure regulator delivers a stream of spray liquid to the pressure reduction valve which flows under low pressure to the throttle valve. The spray agent is now allowed to travel in the reverse direction back to the tank
  6. to the tank
  7. Part-width section shut-off valve

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Automatic 50 cm part-width section control

With AmaSwitch plus, AMAZONE offers a precise solution for automatic part-width section control with 50 cm part-width sections. AmaSwitch plus is the ideal alternative for operators who want to maximise the benefits of very precise switching in wedge shaped fields and areas of overlap, thanks to the 50 cm part-width section control.

The standard equipment for the AmaSwitch plus includes the DUS pro high pressure recirculation system and, in addition, it can be equipped with LED individual nozzle lighting.

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Equipped with DUS pro pressure recirculation system as standard

With DUS pro, the spraying pressure is constant right up to each individual nozzle and at the set spraying pressure. Thanks to the conical spray lines, minimal residual spray volumes are achieved.


Conical spray line:
The dimensions of the spray line vary along the boom

  • Minimum residual volumes
  • Even flow speed


  1. 15 mm
  2. 24 mm
  3. 24 mm
  4. 20 mm
  5. 16 mm
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Triple nozzle body with electric on/off switching

AmaSwitch plus is based on a conventional, manually-operated triple nozzle body with electrically controlled nozzles. Opening and closing is achieved via an electric valve which is mounted directly on the nozzle body. In conjunction with GPS-Switch, it is thus possible to very precisely control 50 cm part-width sections in short work and on the headland. In addition to the automatic switching using 50 cm part-width sections, it is also possible to configure the desired number of part-width sections from choice.

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4-fold nozzle body, with the additional 25 cm nozzle spacing

In addition to the triple nozzle body, AmaSwitch plus electric individual nozzle control can also be equipped with a quad nozzle body. In addition, a true 25 cm nozzle spacing can be achieved with the aid of an optional extension kit. In combination with special 80 ° nozzles this provides the advantage of reducing the target surface distance to less than 50 cm.

AmaSwitch plus with quad nozzle body and offset kit for a true 25 cm nozzle spacing


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