Fire Hose, Nozzles, Streams, and Foam

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Presentation transcript:

Fire Hose, Nozzles, Streams, and Foam 16 Fire Hose, Nozzles, Streams, and Foam

Nozzles Give fire streams shape and direction Classified into groups: Low-volume Handline Master stream Shut-offs Quarter-turn valve Rotary control valve

Smooth-Bore Nozzles (1 of 3) Consist of shut-off valve and smooth bore tips Fit handlines and master stream devices

Smooth-Bore Nozzles (2 of 3) Advantages: Longer reach than combination fog nozzle Capable of deeper penetration into burning materials Operate at lower pressures Extinguishes fire with less air movement

Smooth-Bore Nozzles (3 of 3) Disadvantages: Do not absorb heat as readily as fog streams Not as effective as fog streams for hydraulic ventilation Cannot change setting to produce a fog pattern