System for automatic self-proportioning of foam concentrate into fire fighting fluid variable flow conduit

System for automatic self-proportioning of foam concentrate into fire fighting fluid variable flow conduit

A fire fighting nozzle for extinguishing industrial scale fires including improved automatic pressure regulating features, enhanced educting features including central and peripheral channeling for foam concentrate, and combining with a capacity to throw dry chemical. Improved pressure regulating fe...

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Hauptverfasser: Crabtree, Dennis W, Brinkerhoff, Duane J, Williams, Dwight P
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Sprache:eng
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creator Crabtree, Dennis W
Brinkerhoff, Duane J
Williams, Dwight P
description A fire fighting nozzle for extinguishing industrial scale fires including improved automatic pressure regulating features, enhanced educting features including central and peripheral channeling for foam concentrate, and combining with a capacity to throw dry chemical. Improved pressure regulating features include a double acting baffle and preferably a relief valve. Method and apparatus for automatically metering an additive such as foam concentrate into a conduit having a variably flowing fire fighting fluid therethrough, the conduit including a discharge device, proximate or downstream.
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title System for automatic self-proportioning of foam concentrate into fire fighting fluid variable flow conduit
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