Home > Flashcards > Print Preview
The flashcards below were created by user
JB3989
on FreezingBlue Flashcards. What would you like to do?

Cubic foot of water weighs
62.5 lbs

One gallon of water weighs
8.35 lbs

Pressure formula for column of Water
P = .434 x H

Height formula for column of Water
H = 2.304 x P

Atmospheric Pressure at Sea Level
14.7psi

A perfect Positive Displacement Pump can draft water
33.9 feet

A pump in excellent condition can draft? A pump in average condition?
 Excellent  28ft
 Average  26ft

In the primer oil reservoir, what is the capacity? What type of oil is used?
 Four to Six quart capacity
 S.A.E. 30 motor oil

Maximum discharge pressure
300psi

When switching to Volume to Pressure, or Pressure to Volume reduce the pump pressure to
50psi

Engine Pressure Formula
EP = NP + FL + SA + E

Relay Formula
EP = 20 + FL + E

How is friction loss calculated for a Ladder Pipe
By how far the ladder has been extended

Maximum layout
Is the distance the pump can supply proper pressure and gallonage for efficent operation.

What is the distance for a maximum layout of a single lay? Dual lay?
 Single is 350 ft
 Dual is 800 ft

Nozzle Pressure's
CVFSS "Fog", Smooth Bore (Master Stream), Smooth Boore (Handheld)
 Fog is 75psi
 Master Stream is 80psi
 Handheld is 50psi

Tip Sizes and Flow (GPM)
Handheld Smooth Bore
 1" 210 GPM
 1 1/8" 265 GPM
 1 1/4 325 GPM

Tip Sizes and Flow (GPM)
Master Stream Smooth Bore
 1 3/8" 500 GPM
 1 1/2" 600 GPM
 1 3/4" 800 GPM
 2" 1000 GPM

Friction Loss "Q" Formula for 2 1/2"
2Q^{2}

Friction Loss "Q" Formula for 3"
Q^{2}

Friction Loss "Q" Formula for 4"
Q^{2}/5

Friction Loss "Q" Formula for 5"
Q^{2}/15

Small Line GPM and Friction Loss per 100ft

1 1/2" Revlving Dist. Nozzle GPM and Friction Loss per 100ft

2 1/2" Fog Nozzle GPM and Friction Loss per 100ft

Low Velocity Fog Applicator GPM and Friction Loss per 100 ft
 115 GPM
 30 psi for 1 1/2"
 3 psi for 2 1/12"

Eductor (Foam Position) GPM and Friction Loss per 100ft

Lucas Valve (Ammonia Flush) GPM and Friction Loss per 100ft

PeriJet and PeriJet Syphon GPM and Fricition Loss per 100ft
 PeriJet 200 GPM and 10 psi
 PeriJet Syphon 420 GPM and 40 psi

2 1/2" Revolving Dist. Nozzle GPM and Friction Loss per 100ft

JN200 Fog Nozzle 30 Degrees and 90 Degrees GPM
 30 Degrees  600 GPM
 90 Degrees  1000 GPM

Friction Loss for a Cellar Pipe
50 psi

Friction Loss for Ladder Pipe Assembly (Siamese, 100ft of 3, Ladder, Pipe)
50 psi

Friction Loss for Monitor Nozzle or Wagon Pipe
20 psi

Friction Loss for Standpipe
25 psi

Friction Loss for prepiped Ladder Pipe
115 psi

E.P. for Sprinkler Systems
125 psi

E.P. for Sprinkler/Standpipe Systems
175 psi

E.P. for Tower 3
175 psi to Trimese

E.P. for Foam Eductor
200 psi at the Eductor

Temperatures of water in the pump
Normal should be 160 degrees and 200 degrees when operating

Hydrant Capacity Formula's

If % Drop is 0 10% you can flow
3 times the amount flowing

If % Drop is 11%  15% you can flow
2 times the amount flowing

If % Drop is 16%  <25% you can flow
1 time the amount flowing

E.P when supplying to another company
E.P when supplying through Hydrant Valve
 125 psi
 150 psi through Hydrant Valve

