AFD Hoses Flashcards
1
Q
AFD Hoses
A
- 1 3/4’ attack lines, 50’ sections, 200’ crosslay
- NO 2 1/2” supply lines
- 100’ sections of LDH 5”, 800’ on all pumpers
- Typically impregnate single jacket hose (polymer covered, polymer lined)
- Pre-connected crosslays 200’
- No booster hose
- Test quarterly, annually, after each use
- 200’ preconnected 2 1/2” Blitz line
- 1000’ horseshoe rolled blitz line
2
Q
NFPA 1901 vs. AFD
A
NFPA 1901:
15’ large, soft-sleeve hose or 20’ hard suction
800’ of 2 1/2” or larger supply hose
400’ of 1 1/2” or 1 3/4” or 2” attack hose
3
Q
Attack Hose Pressure Testing
A
- Annually
- Designed for 275 psi, tested at 300 psi
4
Q
Supply Hose Testing Pressure Testing
A
- Annually
- Designed for 185 psi, tested at 200 psi
5
Q
AFD Smooth Bore Parts
A
- Tip
- Playpipe
- Shutoff
6
Q
AFD Smooth Bore Tip Size/GPM of 2 1/2” Handline
A
7/8"=160 15/16"=180 1" = 200 gpm 1 1/8" = 250 gpm 1 1/4" = 325 gpm
7
Q
AFD Master Stream Tip Size/GPM
A
1 3/8” = 500 gpm
1 1/2” = 600 gpm
1 3/4” = 800 gpm
2” = 1,000gpm
8
Q
AFD Fog Nozzle
A
- SM20 Fog on 1 3/4”
- Flow 60-200 gpm
9
Q
ADULTS
A
- Advanced Fire Conditions
- Defensive Ops
- Unknown Fire Location
- Large, Undivided Area
- Tons of Water
- Sprinkler or Standpipes