A Catalogue and Handbook of Piping Materials for Steam-air-hydraulic High Pressure Piping Systems Including Valves, Fittings, Flanges, Pipe and Pipe Bends, Separators, Etc. Made from All Suitable Materials: General Iron Castings to 50 Tons. Cast Steel Valves and Fittings

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Rand, McNally & Company, printers, 1912 - 395 páginas
 

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Página 393 - To find the pressure in pounds per square inch of a column of water, multiply the height of the column in feet by .434. Approximately, we say that every foot elevation is equal to % Ib. pressure per square inch ; this allows for ordinary friction. To find the diameter of a pump cylinder...
Página 393 - The evaporation of 30 pounds of water per hour from a feed water temperature of 100° F.
Página 393 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Página 374 - FRICTION OF WATER IN PIPES. Friction loss, in pounds pressure per square inch, for each 100 feet of length of different sizes of clean iron pipe discharging given quantities of water per minute.
Página 375 - For approximate horse power, multiply the figures in the table by 2. For any other loss of pressure, multiply by the square root of the given loss. For any other length of pipe, divide 240 by the given length expressed in diameters, and multiply the figures in the table by the square root of this quotient, which will give the flow for 1 pound loss of pressure.
Página 14 - ... per cent of total order in lengths from 6 feet to 12 feet. For pipe fitted with threads and couplings, an extra charge will be made above plain ends. For cut lengths, an extra charge will be made above random lengths. For galvanized, or coated pipe, an extra charge will be made above black. Size DIAMETERS Thickness Weight per foot, plain ends External Internal...
Página 374 - Friction Loss, in Pounds Pressure per Square Inch, for each 100 Feet of Length in Different Size Clean Iron Pipes Discharging given Quantities of Water per Minute (GA ELLIS * CE) sLa A .1 3s A st 3 M c S?
Página 393 - A cubic foot of water contains "]\ gallons, 1728 cubic inches, and weighs 62| pounds. To find the pressure in pounds per square inch of a column of water multiply the height of the column in feet by .434.
Página 18 - These methods have been superseded naturally by the shrunk and rolled joint, whereby the flange is bored out to a shrink fit, then heated and placed on the pipe, after which the pipe is expanded by a large power roller expander until it not only fits the barrel of the flange, but the metal of the pipe flows into the corrugations in the hub of the flange not shown, usually one corrugation in each half of flange.
Página 373 - VELOCITY OF FLOW OF WATER In Feet per Minute, Through Pipes of Various Sizes, for Varying Quantities of Flow...

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