Formulas/Conversions

508 MONTEREY PASS RD. MONTEREY PARK, CA 91754

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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 = πr

* 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