Table 3161: Average Air Loss Rates (ALR) Orifice Diameter (inches) Pressure (psig) 1/64 1/32 1/16 1/8 1/4 3/8 70 0.29 1.16 4.66 18.62 74.4 167.8 80 0.32 1.26 5.24 20.76 83.1 187.2 90 0.36 1.46 5.72 23.1 92 206.6 95 0.38 1.51 6.02 24.16 96.5 216.8 100 0.4 1.55 6.31 25.22 100.9 227 105 0.42 1.63 6.58 26.31 105.2 236.7 110 0.43 1.71 6.85 27.39 109.4 246.4 115 0.45 1.78 7.12 28.48 113.7 256.1 120 0.46 1.86 7.39 29.56 117.9 265.8 125 0.48 1.94 7.66 30.65 122.2 275.5 For well-rounded orifices, values should be multiplied by 0.97. For sharp orifices, values should be multiplied by 0.61. When the baseline value is unknown, use 100.9 CFM. Table 3162: Average Compressor kW / CFM (COMP) Average Compressor Control Type Compressor kW/CFM (COMP) Modulating w/ Blowdown 0.32 Load/No Load w/ 1 gal/CFM Storage 0.32 Load/No Load w/ 3 gal/CFM Storage 0.30 Load/No Load w/ 5 gal/CFM Storage 0.28 Variable Speed w/ Unloading 0.23 Table 3163: Adjustment Factor (AF) Compressor Operating Hours AF
Table 3161: Average Air Loss Rates (ALR) Pressure (psig) Orifice Diameter (inches) 1/64 1/32 1/16 1/8 1/4 3/8 70 0.29 1.16 4.66 18.62 74.4 167.8 80 0.32 1.26 5.24 20.76 83.1 187.2 90 0.36 1.46 5.72 23.1 92 206.6 95 0.38 1.51 6.02 24.16 96.5 216.8 100 0.4 1.55 6.31 25.22 100.9 227 105 0.42 1.63 6.58 26.31 105.2 236.7 110 0.43 1.71 6.85 27.39 109.4 246.4 115 0.45 1.78 7.12 28.48 113.7 256.1 120 0.46 1.86 7.39 29.56 117.9 265.8 125 0.48 1.94 7.66 30.65 122.2 275.5 For well-rounded orifices, values should be multiplied by 0.97. For sharp orifices, values should be multiplied by 0.61. When the baseline value is unknown, use 100.9 CFM. Table 3162: Average Compressor kW / CFM (COMP) Compressor Control Type Average Compressor kW/CFM (COMP) Modulating w/ Blowdown 0.32 Load/No Load w/ 1 gal/CFM Storage 0.32 Load/No Load w/ 3 gal/CFM Storage 0.30 Load/No Load w/ 5 gal/CFM Storage 0.28 Variable Speed w/ Unloading 0.23 Table 3163: Adjustment Factor (AF) Compressor Operating Hours AF