We have Elkhart Brass HF-500 Master Stream Nozzle, The nozzle is UL listed and in the label indicate "for use with 3M Co. FC-600 AFFF" however that foam is phase out.
Do we need to buy new nozzles?
Wy 3M Co. FC-600 AFFF is phase out.
You should contact Elkhart Brass directly. Generally these type of nozzles are supplied with washers having orifices sized for the type of foam and foam concentration desired. Maybe they can supply you with new washers for a foam concentrate still in production.
I heard that 3M's foam was phased out due to enviromental issues with one of it's main chemical components.
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