Hale MG - Manual (Page 153)

Data for Practical Use
A
APPENDIX A
WATER HORSE POWER=GALLONS PER MINUTE X TOTAL HEAD IN POUNDS PER SQUARE INCH
ONE GALLON OF 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 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 .231
ONE GALLON PER MINUTE X 3.785 = ONE LITER PER MINUTE
ONE CUBIC METER = 1000 LITER
ONE IMPERIAL GALLON = 1.2 GALLONS
ONE POUND PER SQUARE INCH X .0690 = ONE BAR = .001 KPA
CONVERSIONS:
TO CONVERT TO MULTIPLY BY
GALLONS LITERS 3.785
PSI BARS 0.06895
BARS PSI 14.504
Ft-Lb (Torque) N-m 1.3558
HP KW 0.7457