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Rosenbauer offers single-stage normal pressure pumps in the N series range of products. These centrifugal fire pumps achieve the best possible efficiency through three-dimensional impeller blades, the diffuser and the spiral housing.
The pumps of the N series stand out with their flat pump characteristic curves. Pressure surges when opening and closing the nozzles are reduced to a minimum.
Thanks to the unique drive system, the priming pump is always on stand-by to reduce wear and can be switched on at any time.
The priming pump is driven over a V-belt from the lantern or the gear-box. During the priming process the belt is tensioned via a lever. Once the priming process finishes, the belt is released.
Absatz druckenThe optional automatic priming system offers maximum operational safety during water supply.
The priming process starts automatically - the V-belt will be tensioned for this. When the pressure builds to about 1.5 bar inside the pump, the priming process is stopped by an extending cylinder that loosens the belt.
In the development of the new pump series, special importance was placed on the following measures to increase user friendliness and ergonomics to the highest level:
The pumps of the N/NH series can be customized to requirements of firefighters - here's a brief extract: