Brochure
Table Of Contents
Tunstall Corporation
118 Exchange Street • Chicopee, MA 01013
© July 2014
We reserve the right to alter designs, specifications and information without notice.
Phone (413) 594-8695 · Fax (413) 598-8109
www.tunstall-inc.com • www.maconcontrols.com
Bulletin-MC-ENG-DATA-0714
Warranty & Engineering Data
EQUIVALENTS &
CONVERSION FACTORS
A
MULTIPLY
B
BY
C
TO OBTAIN
A
MULTIPLY
B
BY
C
TO OBTAIN
Atmospheres 14.697 Pounds per sq. in.
Inches of mercury 1.133 Feet of water
Atmospheres 1.033 Kilograms per sq. in. Inches of mercury 0.4912 Pounds per sq. in.
Atmospheres 29.92 Inches of mercury Inches of mercury 0.0345 Kilograms per sq. cm.
Atmospheres 760 Millimeters of mercury
Inches of water 0.03613 Pounds per sq. in.
Atmospheres 407 Inches of water Inches of water 0.07355 Inches of mercury
Atmospheres 33.90 Feet of water Kilograms 2.205 Pounds
Barrels (petroleum) 42 Gallons
Kilograms 0.001102 Short tons (2000 lbs.)
Barrels per day 0.0292 Gallons per minute Kilograms per minute 132.3 Pounds per hour
Bars-G. 14.5 Pounds per sq. in. Kilograms per sq. cm 14.22 Pounds per sq. in.
Centimeters 0.3937 Inches
Kilograms per sq. cm 0.9678 Atmospheres
Centimeters 0.03281 Feet Kilograms per sq. cm 28.96 Inches of mercury
Centimeters 0.01 Meters Kilopascals 0.145 Pounds per sq. in.
Centimeters 0.01094 Yards
Liters 1000 Cubic centimeters
Cubic Centimeters 0.06102 Cubic Inches Liters 0.2642 Gallons
Cubic feet 7.48055 Gallons Liters per hour 0.0044 Gallons per minute
Cubic feet 0.17812 Barrels
Meters 3.281 Feet
Cubic feet per second 448.833 Gallons per minute Meters 1.0936 Yards
Cubic inches 16.39 Cubic centimeters Meters 100 Centimeters
Cubic inches 0.004329 Gallons Meters 39.37 Inches
Cubic meters 264.17 Gallons Megapascals 145.0 Pounds per sq. in.
Cubic meters per hour 4.4 Gallons per minute Pounds 0.0005 Short tons (2000 lbs.)
Feet 0.3048 Meters Pounds 0.4536 Kilograms
Feet 0.3333 Yards Pounds 0.000454 Metric tons
Feet 30.48 Centimeters
Pounds 16 Ounces
Feet of water 0.882 Inches of mercury Pounds per hour 6.32/M W Cubic feet per minute
Feet of water 0.433 Pounds per sq. in.
Pounds per
hour liquid
0.002/Sp. Gr.
Gallons per minute
Liquid (at 70ºF)
Gallons (U.S.) 3785 Cubic centimeters Pounds per sq. in. 27.684 Inches of water
Gallons (U.S.) 0.13368 Cubic feet Pounds per sq. in. 2.307 Feet of water
Gallons (U.S.) 231 Cubic inches Pounds per sq. in. 2.036 Inches of mercury
Gallons (Imperial) 277.4 Cubic inches Pounds per sq. in. 0.0703 Kilograms per sq. cm.
Gallons (U.S.) 0.833 Gallons (Imperial) Pounds per sq. in. 51.71 Millimeters of mercury
Gallons (U.S.) 3.785 Liters Pounds per sq. in. 0.7037 Meters of water
Gallons of water 8.328 Pounds (at 70ºF)
Specific Gravity
(of gas or vapors)
28.97
Molecular wt.
(of gas or vapors)
Gallons of liquid
per minute
500 x Sp Gr
Pounds per hr. liquid
(at 70ºF)
Square centimeters 0.1550 Square inches
Gallons per minute 0.002228 Cubic feet per second Square inches 6.452 Square centimeters
Horsepower (boiler) 34.5
Pounds water per hr.
evaporation
Tons
(short ton 2000 lbs.)
907.2 Kilograms
Horsepower (boiler) 33479 Btu per hour
Tons
(short ton 2000 lbs.)
0.9072 Metric tons
Inches 2.54 Centimeters Tons (metric) per day 91.8 Pounds per hour
Inches 0.0833 Feet Water (cubic feet) 62.3 Pounds (at 70ºF)
Inches 0.0254 Meters
Yards 0.9144 Meters
Inches 0.02778 Yards Yards 91.44 Centimeters
This table may be used in 2 ways: (1) Multiply the unit under column A by the figure under column B. the result is the unit under column C.
(2) Multiply the unit under column C by the figure under column B. the r
esult is the unit under column A.