Calculate Compressed Air Receivers

Calculate Compressed Air Receivers

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Calculate Compressed Air Receivers Air receivers are used to store compressed air and provide a buffer between the compressor and compressed air used. A properly sized receiver will provide extra volume during high demand times and prevent the compressor from short cycling (load/unload) during moderate demand times.

Air Receiver Sizing The air receiver is sized according to three factors: 1. How compressed air consumption will vary during operation 2. The compressor's size 3. The compressor's modulation strategy The receiver volume may be calculated with the formula: t = V (p1 - p2) / C pa or Time for receiver to go from upper pressure limits (min) = Volume of Receiver Tank (cuft) (Maximum Tank Pressure (psia) x minimum tank pressure (psia)) / Free Air Needed (scfm) x 14.7 psia It is also common to size receivers by either: 1 gallon for each ACFM (Actual Cubic Feet per Minute) 4 gallons per compressor hp (horse power)

Air Flow Capacity (cfm) 100 200 350 600 700 1500 2000 2600 3000 4000 5000

(m3/h) 170 340 595 1020 1190 2550 3400 4420 5100 6800 8500

Recommended Receiver Volume (m3) (cu ft) 0.3 11 0.5 18 1.0 35 1.5 53 2.0 71 3.0 106 4.0 141 5.0 177 6.0 212 8.0 282 10.0 353

http://ppi-america.com/calculators/calculators_compressedairrec.html[8/10/2011 12:21:37 PM]

Gallons

83 135 265 400 540 800 1060 1350 1590 2150 2650

Calculate Compressed Air Receivers

6000 7000 8000 9000 10000

10200 11900 13600 15300 17000

12.0 14.0 16.0 18.0 20.0

http://ppi-america.com/calculators/calculators_compressedairrec.html[8/10/2011 12:21:37 PM]

424 494 565 636 706

3200 3700 4250 4775 5300