Watson McDaniel Steam Design Guide

FORMULAS, CONVERSIONS & GUIDELINES

EQUIVALENTS & CONVERSION FACTORS

A

B

C

A

B

C

MULTIPLY

BY

TO OBTAIN Feet of water

MULTIPLY Atmospheres Atmospheres Atmospheres Atmospheres Atmospheres Atmospheres

BY

TO OBTAIN

Inches of mercury Inches of mercury Inches of mercury Inches of water Inches of water

1.133

14.697

Pounds per sq. in. Kilograms per sq. cm

0.4912 0.0345 0.03613 0.07355

Pounds per sq. in. Kilograms per sq. cm Pounds per sq. in. Inches of mercury

1.033 29.92

Inches of mercury

760 407

Millimeters of mercury

Inches of water Feet of water

Kilograms Kilograms

2.205

Pounds

33.90

0.001102

Short tons (2000 lbs.)

Barrels (petroleum)

42

Gallons

Kilograms per minute Kilograms per sq. cm Kilograms per sq. cm Kilograms per sq. cm

132.3 14.22

Pounds per hour Pounds per sq. in.

Barrels per day

0.0292

Gallons per minute Pounds per sq. in.

Bars-G

14.5

0.9678

Atmospheres

Centimeters Centimeters Centimeters Centimeters

0.3937 0.03281

Inches

28.96 0.145 1000

Inches of mercury Pounds per sq. in. Cubic centimeters

Feet

Kilopascals

0.01

Meters Yards

Liters Liters

0.01094 0.06102 7.48055 0.17812 448.833

0.2642 0.0044

Gallons

Cubic centimeters

Cubic inches

Liters per hour

Gallons per minute

Cubic feet Cubic feet

Gallons Barrels

Meters Meters Meters Meters

3.281

Feet

1.0936

Yards

Cubic feet per second

Gallons per minute Cubic centimeters

100

Centimeters

Cubic inches Cubic inches Cubic meters

16.39

39.37 145.0

Inches

0.004329

Gallons Gallons

Megapascals

Pounds per sq. in.

264.17

Pounds Pounds Pounds Pounds

0.0005 0.4536

Short tons (2000 lbs.)

Cubic meters per hour

4.40

Gallons per minute

Kilograms Metric Tons

Feet Feet Feet

0.3048 0.3333

Meters Yards

0.000454

16

Ounces

30.48 0.882 0.433 3785

Centimeters

Pounds per hour

6.32/M.W.

Cubic feet per minute Gallons per minute liquid (at 70°F) Inches of water Feet of water Inches of mercury Kilograms per sq. cm Millimeters of mercury

Feet of water Feet of water Gallons (U.S.) Gallons (U.S.) Gallons (U.S.)

Inches of mercury Pounds per sq. in. Cubic centimeters

Pounds per hour liquid

0.002/Sp. Gr.

Pounds per sq. in. Pounds per sq. in. Pounds per sq. in. Pounds per sq. in. Pounds per sq. in. Pounds per sq. in. Specific Gravity (of gas or vapors) Square centimeters

27.684

0.13368

Cubic feet

2.307 2.036

231

Cubic inches Cubic inches

Gallons (Imperial) Gallons (U.S.) Gallons (U.S.) Gallons of water Gallons of liquid

277.4 0.833 3.785 8.328

0.0703

Gallons (Imperial)

51.71

Liters

0.7037

Meters of water Molecular Wt. (of gas or vapors)

Pounds (at 70°F) Pounds per hr liquid (at 70°F)

28.97

500 x Sp. Gr.

per minute

0.1550

Square inches

Gallons per minute Horsepower (boiler)

0.002228

Cubic feet per second Pounds water per hr. evaporation

Square inches

6.452 907.2

Square centimeters

34.5

Tons (short ton 2000 lbs.) Tons (short ton 2000 lbs.)

Kilograms Metric Tons

0.9072

Horsepower (boiler)

33479

Btu per hour Centimeters

Tons (metric) per day

91.8 62.3

Pounds per hour Pounds (at 70°F)

Inches Inches Inches Inches

2.54

Water (cubic feet)

0.0833 0.0254 0.02778

Feet

Yards Yards

0.9144

Meters

Meters Yards

91.44

Centimeters

This table may be used in two ways: (1) Multiply the unit under column A by the figure under column B; the result is the unit under column C. (2) Divide the unit under column C by the figure under column B; the result is the unit under column A.

46

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