Fomtec HPZ 400 Inductor
The Fomtec HPZ 400 Inductor is constructed for a pre-calculated water flow. It creates a pressure drop in the water pressure of about 30-33% at that flow.
Foam is drawn through a 25 mm pick- up tube from a container at atmospheric pressure. The pre-set flow of foam concentrate is continuously added to the water stream.
Friction loss through the hose and static pressure loss of up to 5 bars does not influence the induction rate.
A special control valve built into the base of housing produces this outstanding performance. A non-return valve prevents water flow back into the foam container once the water supply is turned off.
Variable in-line inductors are used to mix foam concentrate with water when the foam concentrate is supplied from a tank at atmospheric pressure. This in-line inductor has a better tolerance to back pressure and better foam concentrate suction than a standard in-line inductor.
The Fomtec HPZ 400 Inductor is connected to the water line. They can be placed far from the foam branch-pipe, as they can accommodate up to 5 bar pressure loss in the hose.
Recommended Foam Concentrates
The inductor performs with all types of foam concentrates, including high viscosity alcohol resistant concentrates at 3% or 6% proportioning rate.
The HP inductors could be delivered with the following options:
- Stortz couplings
- Different mixing ratios
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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.