Fire Hydraulics Charts

Quick Charts for Solving Fire Hydraulics Problems

Fire Hydraulics

 
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NFPA 1002

 

Fire Apparatus Driver/Operator

Standard For Fire Apparatus Driver

Minimum job performance requirements for firefighters who drive and operate fire apparatus.

   

 

NFPA 1914

 

Testing FD Aerial Devices

Specifies minimum inspection and testing requirements for aerial devices to insure a minimum degree of safety for continued use.

Applicable to aerial ladders, platforms and water towers.

   

 

NFPA 1911

 

Fire Pumps

Service Tests of Fire Pump Systems on Fire Apparatus

Establishes site, environmental, and equipment requirements for proper pump system performance testing as well as frequency and procedures.

   

 

FL Quick Charts

 

 

 

           1 3/4" TRANSVERSE                                                             1 3/4'' WYE

FLOW SET UP FL 100' of 21/2''
30 100 1
60 105 5
95 115 10
125 125 15
150 135 20
180 150 30
200 160 40
FLOW 150' 200'
30 0 0
60 5 10
95 120 130
125 135 150
150 150 170
180 175 200
200 190 220

 

 

                             2 1/2 '' with Smooth Tip Handlines

TIP SIZE GPM NP FL 100' of 21/2''
7/8'' 190 70 10
1'' 210 50 10
1 1/8'' 265 45 15
1 1/8'' 290 60 20
1 1/4'' 325 50 25

 

                             FLAME FIGHTER NOZZLE

NP/PSI GPM 1 3/4'' FL 100'' EP 150' EP 200'
100 190 55 185 210
125 215 70 230  

 

            MASTER  STREAMS (Smooth Tip  80 PSI)  FOG 100 PSI

Tip Size Factor GPM NP Fog 1 x 2 1/2 2 x 2 1/2 3 x 2 1/2 4 x 2 1/2
7/8'' 1/2 400 80 100 40 10 5 3.5
1 3/8 3/4 or 1 500 80 100 60 15 7.5 5
1 1/2'' 1 600 80 100 80 20 10 7
1 3/4'' 2 800 80 100 160 40 20 14
2'' 3 1100 80 100 240 60 30 21
2 1/4'' 5 1350 80 100 400 100 50 35

Example: 1 1/2'' tip, Smooth bore, 2 lines, 200' long each, No elevation

PDP = NP (80) + AP (25) + FL ( 20 fl x 2 hose length x 1 factor) = 105 + 40 = 145 psi (FOG add 20 psi)

Note: If you have different lengths of 2 1/2''; add all and divide by number of hoses

 

            FORESTRY HYDRAULICS

12 GPM FOG 24 GPM STRAIGHT
6.9 lbs/100' in 1" HOSE 15.5 lbs/100' in 1" HOSE
.5 lbs/ 100' in 1 3/4" HOSE 1.1 lbs/100' in 1 3/4 HOSE

 

            FORESTRY LAYS

Different Connections 12 GPM FOG 24 GPM STRAIGHT
150' 1 3/4" transverse + 100' of 1'' hose 108 psi 118 psi
200' 1 3/4" transverse + 100' of 1'' hose 108 psi 118 psi
150' 1 3/4" transverse + 200' of 1'' hose 115 psi 134 psi
200' 1 3/4" transverse + 200' of 1'' hose 115 psi 134 psi
200' red line + 100' of 1'' hose 121 psi 148 psi
200' red line + 200' of 1'' hose 128 psi 164 psi

 

   

 

 

 

 

5' HOSE

 

FL for 100' of 5''

GPM FL
500 2 psi
1000 6 psi
1500 15 psi
2000 25 psi

FL for 2 1/2'' 100'

GPM 100'
250 15
275 20
320 25

FL for 2 1/2'' FOG(100 psi)

GPM 100'
120 5
240/250 15
350 25

NOZZLES

Task Force Tip 50-350 GPM
Akromatic 60-400 GPM
Fog Hog to 1000 GPM
KK Thunder Fog 30-250 GPM

BREAK APART NOZZLE

FOG 150 GPM@ 75NP
SOLID(15/16'') 180 GPM@ 50NP

Portable Monitor

Monitor w/smooth tip = 95 psi

Monitor w/fog = 115 psi

 

Sprinkler System

No smoke = 100 psi

Smoke = 150 psi

 

FL per 100' of 5''

FL = Q2/15