afff

Question 1

function of aff

Answer 1

-provide a non toxic afff solution spray for specified areas

Question 2

where does aff supply to

Answer 2

dg room
port stbd upper level engine room
lub oil module
main feed pump raft and bilges
naval store
after dome
thrust block flat

Question 3

afff tank function

Answer 3

contains a polychloropene coated nylon fabric bag that holds the afff solution. the bag is then squeezed by water pressure from the fire fighting tank to force the solution out and into the water flow this keeps the aff at the required concentration no matter how many times it’s initiated

Question 4

key operating parameters of afff

Answer 4

-min of at least 10 minutes spraying time to any zone
-no more then 2 zones are to be operated at the same time
-runs at 8.6 bar from av and b
-spraying will automatically stop after 3 minutes

Question 5

operation of afff

Answer 5

by epo from ccc

Question 6

afff tank

Answer 6

contains 455 litres of afff solution
the fire fight tank provides it with
6880 of demi’s water

Question 7

how it works

Answer 7

takes water from no 4 rft tank at 8,6 bar from av and b to ur aff tank and mixes inside the afff tank by pushing the required solution out of the nylon bag and at a 6% concentration and goes to ur services