Pneumatic And Hydraulic Equipment Page 619

CFM Compr. Length of Run-Feet Flow HP 25 50 75 100 150 200 300 500 1000 17 5 3/4 1 1-1/4 1-1/4 24 7-1/2 3/4 1 1-1/4 1-1/4 35 10 1 1-1/4 1-1/2 50 15 1 1-1/4 1-1/2 2 72 20 1 1-1/4 1-1/2 2 2 83 25 1-1/4 1-1/2 2 2-1/2 100 30 1-1/4 1-1/2 2 2-1/2 2-1/2 163 40 1-1/4 1-1/2 2 2-1/2 3 211 50 1-1/2 2 2-1/2 3 246 60 1-1/2 2 2-1/2 3 3 332 75 2 2-1/2 3 3-1/2 446 100 2 2-1/2 3 3-1/2 4 AIR LINE PIPE SIZE AT 125 PSIG AIR PIPING-LAYOUT AND SIZING Cost of pressure drop? A 10 horsepower compressor producing 35 cfm at 100 psig and connected to a 100 foot straight run of 1" diameter pipe will result in a .27 psi pressure drop [35 cfm @ 98 psig]. When measuring piping distances, each pipe fitting can conservatively be counted as 5 feet of pipe. Keep the number of elbows to a minimum. Each lost pound of pressure [1 psi] equals the loss of .5% horsepower [5 psi pressure drop = 2.5% horsepower]. A 10 horsepower compressor's efficiency would drop to 9.75 HP. Cost of an air leak? Eliminate air leaks and save money! Note: The cost of an 1/8" air leak at 100 psi [26 cubic feet per minute] represents $0.31/hr or $310.00 for every 1000 hours of operation. Fix the leak! I N G E R S O L R A N D Ingersoll Rand JHF Catalog [ Volume 7 ] (314) 427-0600 800-444-0522 (FAX) 314-427-3502 www. j hf.com 619 Prices Subject to Change Without Notice John Henry Foster pneumatic and hydraulic equipment

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