Oscillating units DN 80 and DN 100

The Oscillating units DN 80 and DN 100 are designed for making the attached monitor oscillate horizontally. They are installed immediately in front of the monitor and can be operated with both water and a mixture of water and foaming agent.

In operation a small amount of the flow of extinguishing water is drawn off and redirected through a turbine in the oscillating unit, which drives a hydraulic pump. This supplies a working cylinder, by means of a closed oil circuit, which in turn sets the oscillating unit in motion. The direction of motion is reversed by a 4/2-way pilot valve.

The lines for supplying the water to the turbine and leading it off again are fixed. The water supply line from the extinguishing water flow has a dirt filter which can be flushed and an additional ball valve with an open inlet (G3/8) to which a supply line can be connected. This means it is also possible to check the oscillating unit without the monitor running.

The swivelling range of the oscillating unit can be infinitely adjusted within the maximum range of 180°. The swivelling speed can be reduced to a complete stop by a 3-way ball valve in the oil circuit. To ensure that you can rely on guaranteed maximum work safety, all moving parts in the oscillating unit are covered by a hood.