Foam amplifies the effectiveness of water in fire suppression by breaking the surface tension making the droplets smaller and enhancing cooling of the water.
Foam fire suppression system clean up.
Depending on the type of fire extinguisher used it may appear that there is nothing much to clean.
Clean up class k wet chemical fire extinguisher residue because of the corrosive nature of dry chemicals class k wet chemical extinguishers are recommended for commercial kitchens.
Foam systems come in two types as follows.
Foam suppression systems can be messy and require special strategies and considerations for clean up that other systems do not need.
When cooking oil and grease catch on fire a potassium acetate based low ph class k extinguisher discharges a fine mist to cool cooking surfaces and extinguish the.
Low expansion where the bubble expansion ratio is small less than 20 to 1 and the bubble contains a high water content.
American fire technologies offers a complete line of fire suppression system equipment ranging from high low pressure co2 clean agent and inert gas systems water mist foam and dry chemical systems there is an array of system agents on the market and it is extremely important to use the right agent for the.
Clean agent fire extinguishers require little clean up.
Huge hangar filled with foam during incredible air national guard fire suppression test.
When mixed correctly these parts form a homogeneous foam blanket that extinguishes flames by the combined mechanisms of cooling separating the flame source from the product surface suppressing vapors and smothering.
Medium and high expansion where the expansion ratios are greater from 20 to 1 up to 1 000 to 1 at these expansion ratios the bubble water content is low and the bubble is relatively light.
Foam concentrate water and air.
This video will discuss the recommendations for cleaning and returning a cessna aircraft back to service after it was exposed to hangar fire retardant foam.
Members of the 134th air refueling wing test the f.
Clean agents are electrically non conductive non volatile and leave no residue which makes.
If this is the case the fire extinguisher used may have been a clean agent fire extinguisher.