Focused stream, aerated foam projecting nozzle including fixed wand system and method as well as possibly portable center pointing nozzle

摘要

The invention includes components and methodology for fixed and semi-fixed systems for extinguishing fire in large industrial flammable liquid storage tanks, including aerated foam projecting nozzles discharging substantially focused streams together with aeration chambers and risers and the formation of wand heads and wands. 0-J LLi Li)0 IQZ)