F-1031, Section 2449
Page 9 of 18
Hose
Diameter
Tip Size
Foam Type
Water Flow
Air Flow
Discharge
Pressure
Minimum
Hose Length
Hand Lines
1”
1/2”
Wet
20
20
100
35’
1”
3/4”
Wet
30
20
35’
1”
3/4”
Fluid
15
45
35’
1-
1/2”
15/16”
Wet
80
40
100’
1-
1/2”
1-
3/8”
Fluid
30
110
100’
1-
3/4”
15/16”
Wet
90
50
100’
1-
3/4”
1-
3/8”
Fluid
35
130
100’
2-
1/2”
15/16
Wet
120
60
150’
2-
1/2”
1-
3/8”
Wet
190
90
150’
2-
1/2”
2”
Fluid
50
155
150’
Portable Master Stream
– fed by one 2-1/2’ line
2-
1/2”
1-
3/8”
Wet
300
100
140
150’
2-
1/2”
1-
1/2”
340
120
2-
1/2”
1-
3/4”
380
135
2-
1/2”
2”
400
140
Wet Foam
– melted ice cream consistency – fire attack
Fluid Foam
– shaving cream consistency – exposure protection
Rules for Pumping from Tank or Draft
1.
15/16” orifice = Wetter Foam at 0.3%
2. 1-
3/8” orifice = Dryer Foam at 0.3% to 0.8%
3. 100+ PSI = All interior hand lines
4. 1-
3/4” = 80 to 100 GPM with 40 to 50 CFM
5.
2” = 110 to 120 GPM with 50 to 60 CFM
6. 2-
1/2” = 130+ GPM with 60 to 80 CFM
7. 140 PSI = All Master Streams
Typical CAFS Flows