foam Flashcards
gpm when flowing elkhart?
95
gpm when flowing angus?
95
pump what pressure to the elkhart?
200
pump what pressure to the angus?
150
60-150 med expansion
max 1 3/4 hose after eductor
elkhart and Angus
300’
max 1 1/2 hose after eductor ?
angus and elkhart
150’
Foam ade 2000
what percent for class A
.10-.50
Foam Ade 2000
cars truck equipment
.50-1.0%
non polar solvent
example gasoline
3%
polar solvents
example alcahol ethanol methanol
6%
class A foam proportioned at
.3-.5
class b foam proportioned at
minimum 1%
often 3%-6%
(1) class a 5gallon foam bucket at .3 last ?
1500 gallons
can the TFT educter be used for class A foam?
yes
AFFF foam water based and good for
fuel spills
hydracarbon
AR AFFF good for what type of spills?
alcahol based spills
IE acetone
what foam is stocked at
logs
1% AFFF
advantages to protein foam
more durable and heat resistant blanket.
biodegradeable
with class b foam
how long will 1 % last
500 gal
1 tank and 1 bucket of 1% will cover
300 square feet
(17’x17’ square)
3 foam application methods
rain down
roll on
bank down
what happens to the foam eductor if the back pressure is greater than 65-70%
foam cannot be made
can automatic nozzles be used with eductors?
yes as long as hose length is under 200’
gpm for TFT eductor
125 gpm
