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Balder Fixed Oscillating

Dafo Fomtec AB

The Balder Fixed Oscillating is a 2½” monitor for fixed installations. It is self oscillating and powered by water flowing through a special oscillating mechanism. Balder automatically sweeps from side to side. The speed of the sweeps and the elevation could be manually set and also be varied during operation. The Balder Fixed Oscillating has a water inlet with a 2½” flange (DN 65).

The pipes are casted in two different materials: anodised aluminium or bronze. Parts which are vital for the correct functions, such as swivels are in stainless steel. Innovative piping technology minimises turbulence and frictional pressure losses. There is a self cleaning filter at the inlet to the oscillating valve that assures operation even with water containing particles, e.g. rust from the piping. Balder is very compact and weighs only 11.6 kg.


  • Bronze
  • 4” flange water inlet connection
  • 120° oscillating angle


The monitor should be connected to the flange. Then the elevation, sweep and speed of oscillation could be pre-adjusted for automatic operation.
When the water arrives to the monitor it automatically starts to sweep and operate. During operation the settings can be manually adjusted.
It is also possible to release the oscillating function during operation and manually direct the stream within 180° angle.

Quality Control and tests

BALDER are manufactured according to the draft European Standard EN-13565-1, and CE marked.

  • Balder Fixed Oscillating

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Dafo Fomtec AB are committed to providing high quality and innovative firefighting foams and equipment to the professional fire protection market.

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