Fire Extinguisher Types (cont.)
Class “A”, “B”, or “C” fires.
2.5-20 lb. dry chemical (ammonium phosphate) pressurized to 50-200 psi by nitrogen gas (8-25 seconds discharge time).
Has pressure gauge to allow visual capacity check.
5-20 ft. maximum effective range.
Extinguishes by smothering burning materials.
MULTIPURPOSE DRY CHEMICAL