Fluid proportioning apparatus

Details Fluid proportioning apparatus Fluid proportioning apparatus

1985-12-30

1987-01-06

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-proportioning flow systems

F16K 1900

Patent

active

046338950

ABSTRACT:
Apparatus is described for admixing a foam-liquid solution with water in a predetermined proportion for use in a foam-water fire fighting system. The arrangement is such that the water supply line of the apparatus takes water out of the fire main and uses this water pressure to work a piston to develop pressure of the foam liquid so as to boost up this foam liquid pressure to a pressure that slightly exceeds the water pressure in the fire main.

REFERENCES:
patent: 3380467 (1968-04-01), Diehl
patent: 3647002 (1972-03-01), Knowles
patent: 4064891 (1977-12-01), Eberhardt

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