Formulas/Conversions
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  SANDE EQUIPMENT CO., INC.
 "SPECIALISTS IN CLEANING EQUIPMENT" 
CAGE CODE: 1GC92
* GPM X PSI = Approx. electric brake hp required to drive a positive 
    1460         displacement pump, (Standard 85% mechanical efficiency)

* Pump RPM = Desired GPM x Rated RPM 
                       Rated GPM

1 gal water = approx. 8.33 lbs.
Approx. capacity of a square or rectangle tank in gallons =  L x W x H 
                                        231

Volume of a cylinder in gallons = πr   L
 
* Area of a circle = π

1 psi = .0689 bar1 bar = 14.504 psi

* 1 psi = 2.31 ft head
2
2
* 1 gallon per minute = 3.78 liters per minute

* 1 liter = .264 gallons

* 1 hp = .746 kilowatts

* 100 PSI = 7.03 Kg/cm

* 1 Kg.cm  = 14.22 PSI

* 1 foot = .3048 meters

* 1 meter = 3.281 feet
2
231
2
Pressure drop in PSI per 100ft of wash hose
2
3
4
5
6
8
10
15
25
50
90
130
220
300
Water flow GPM
3/8" I.D. Wash Hose
2
6
13
24
52
80
120
250
1/2"  I.D. Wash Hose
* 231 cu in. = 1 gallon