Hale HFM - Manual (Page 39)

DATA FOR PRACTICAL USE
WATER HORSE POWER =
GALLONS PER MINUTE X TOTAL HEAD IN POUNDS PER SQUARE INCH
1712
ONE GALLON WATER WEIGHS 8.33 POUNDS
ONE GALLON = 231 CUBIC INCHES
ONE CUBIC FOOT = 7.48 GALLONS
ONE POUND PER SQUARE INCH OF HEAD = 2.31 FEET HEAD OF WATER
ONE INCH OF MERCURY = 1.132 FEET OF WATER
ONE POUND PER SQUARE INCH = 2.0178 INCHES OF MERCURY = 27.68
INCHES OF WATER
POUNDS PER SQUARE INCH = FEET HEAD X .433
FEET HEAD = POUNDS PRESSURE X 2.31
ONE GALLON PER MINUTE X 3.785 = ONE LITER PER MINUTE
ONE CUBIC METER = 1000 LITERS
ONE IMPERIAL GALLON = 1.2 GALLONS
ONE POUND PER SQUARE INCH X .0690 = ONE BAR = .001 KPA
ONE BAR = 14.50 PSI
HALE PRODUCTS INC.
A UNIT OF IDEX CORPORATION
700 Spring Mill Avenue
Conshohocken, PA 19428
(610) 825-6300