Leadership

Subsurface Foam Injection System

Issue 4 and Volume 122.

Subsurface Foam Injection System A subsurface injection of fluroprotein foam was demonstrated to municipal, industrial and government fire service personnel at the Fire School of the Baltimore City Fire Department last November 20. The foam was pumped through hose to a pipe that went over the edge and down to the bottom of a 30-foot-diameter tank, 5 feet high, containing 20,000 gallons of Jet A fuel. It was explained by National Foam System, Inc., representatives, who conducted the experiment, that normally a product line or a foam line terminating at the tank is used. A line proportioner and a high back pressure foam maker were used, and water was supplied by a Baltimore City Fire Department engine. The inlet pressure at the foam maker was 115 psi, and the foam application rate was 0.1 gpm per square foot. The jet fuel was ignited with the use of gasoline, and the…

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