Page 49 - Apollo - Safety & Relief Valves

SAFETY & RELIEF VALVES

Equivalents and Conversion Factors

TO OBTAIN MULTIPLY this by this TO OBTAIN MULTIPLY this by this
Atmospheres Kilograms per sq. cm. 0.9678 Kilograms per sq. cm. Atmospheres 1.033
Atmospheres Pounds per sq. inch 0.068 Kilograms per sq. cm. Pounds per sq. inch 0.07031
Bar Pounds per sq. inch 0.06895 KiloPascals Pounds per sq. inch 6.895
Barrels Cubic feet 0.1781 KiloPascals Atmospheres 101.3
Bars KiloPascals 0.01 KiloPascals Bars 100
Bars Atmospheres 1.013 Liters Gallons (U.S.) 3.785
Btu/hr Horsepower of boiler 33,479 Liters per minute Gallons per minute 3.785
Btu/hr Kilowatts/hour 3,412 Liters per second Gallons per minute 0.06309
Btu/hr MBH 1,000 M3/hr. Gallons per minute 0.2271
Btu/hr Pounds of steam/hour 1,000 Meters Inches 0.0254
Btu/hr Watts/hour 3.412 Meters Centimeters 0.01
Centimeters Feet 30.48 Meters Feet 0.3048
Centimeters Inches 2.54 Meters of water (68˚F) Pounds per sq. inch 0.7043
Centimeters Meters 100 Metric tons Pounds 0.0004536
Centipoise SSU 0.2205 x SG Millimeters of mercury Atmospheres 760
Centistoke SSU 0.2162 Millimeters of mercury (0˚C) Pounds per sq. inch 51.71
Cubic centimeters Cubic inches 16.39 Molecular weight Specific gravity 28.97
Cubic centimeters Gallons (U.S.) 3785 (of gas or vapors) (of gas or vapors)
Cubic centimeters Liters 1000 Nm3/day. (0˚C, 1 Bara) Standard cubic feet per min. 39.11
Cubic feet Gallons (U.S.) 0.1337 Nm3/hr. (0˚C, 1 Bara) Standard cubic feet per min. 1.63
Cubic feet Liters 0.03531 Nm3/min. (0˚C, 1 Bara) Standard cubic feet per min. 0.02716
Cubic feet per minute Cubic meters per minute 35.31 Ounces Grams 0.03527
Cubic feet per second Gallons per minute 0.002228 Ounces Kilograms 35.27
Cubic inches Gallons (U.S.) 231 Ounces Pounds 16
Cubic inches Gallons (Imperial) 277.4 Pounds Gallons of water (60˚F) 8.337
Cubic meters per minute Cubic feet per minute 0.02832 Pounds Kilograms 2.205
Cubic yards Cubic centimeters 0.06102 Pounds Water (cubic feet @ 60F) 62.37
Feet Centimeters 0.03281 Pounds per cubic foot Kilograms per cubic meter 0.0624
Feet Inches 0.08333 Pounds per hour Kilograms per minute 132.3
Feet Meters 3.281 Pounds per hour liquid Gallons of liquid per minute 500xSp. Gr.
Feet of water Atmospheres 33.96 Pounds per sq. in. Inches of water (68°F) 0.03607
Feet of water (68˚F) Inches of mercury (0˚C) 1.135 Pounds per sq. in. Kilograms per sq. cm. 14.22
Feet of water (68˚F) Pounds per sq. inch 2.311 Pounds per sq. in. KiloPascals 0.145
Gallons Cubic feet 7.481 Pounds per square inch Inches of mercury (0˚C) 0.4912
Gallons Cubic inches 0.004329 Pounds per square inch Atmospheres 14.7
Gallons Cubic meters 264.2 Pounds per square inch Bars 14.5
Gallons Liters 0.2642 Pounds per square inch Feet of water (68˚F) 0.4328
Gallons (Imperial) Gallons (U.S.) 0.8327 PSI MegaPascals 145.038
Gallons (U.S.) Barrels 42 SCFM Pounds per hour 6.324/M.W.
Gallons H20 @ 60˚F (US) Pounds 0.1199 Short tons (2000 lbs.) Kilograms 0.001102
Gallons per minute Cubic feet per second 448.8 Short tons (2000 lbs.) Pounds 0.0005
Gallons per minute Cubic meters per hour 4.403 Sm3/day. Standard cubic feet per min. 40.78
Gallons per minute Liters per hour 0.004403 Sm3/hr. Standard cubic feet per min. 1.699
Gallons per minute liquid Pounds per hour liquid 0.002/Sp.Gr. Sm3/min. Standard cubic feet per min. 0.02832
Grams Pounds 453.6 Square centimeter Square inch 6.4516
Inches Centimeters 0.3937 Square inch Square centimeter 0.155
Inches Meters 39.97 Square millimeter Square inch 645.16
Inches of mercury Atmospheres 29.92 Standard cubic ft. per day Standard cubic feet per min. 1440
Inches of mercury Kilograms per sq. cm 28.96 Standard cubic ft. per hr Standard cubic feet per min. 60
Inches of mercury (0˚ C) Inches of water (68°F) 0.07343 Yards Centimeters 0.01094
Inches of mercury (0˚C) Feet of water (68˚F) 0.8812 Yards Feet 0.3333
Inches of mercury (0˚C) Pounds per sq. inch 2.036 Yards Inches 0.02778
Inches of water Atmospheres 407.5 Yards Meters 1.094
Inches of water (68˚F) Pounds per sq. inch 27.73 TEMPERATURE:
Kilograms Pounds 0.4536 Centigrade = 5/9 (Fahrenheit – 32)
Kilograms per hour Pounds per hour 0.4536 Kelvin = Centigrade + 273
Kilograms per hour Gallons per minute (60˚F) 227.0xSG Fahrenheit = 9/5 (Centigrade) +32
Kilograms per sq. cm KiloPascals 0.0102 Fahrenheit = Rankine – 460
Kilograms per sq. cm Inches of mercury (0˚C) 0.03453 Fahrenheit = (9/5 Kelvin) - 460
Kilograms per sq. cm Bars 1.02

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