Regenair® - Gast Manufacturing, Inc.

ReferenceREGENAIR ® Regenerative BlowersIP Codes (Ingress Protection)IEC 60529 outlines an international classification system forthe sealing effectiveness of enclosures of electrical equipmentagainst the intrusion into the equipment of foreign bodies (i.e.,tools, dust, fingers) and moisture. This classification systemutilizes the letters “IP” (“Ingress Protection”) followed by twodigits. (An “X” is used for one of the digits if there is only oneclass of protection; i.e., IP X 4 which addresses moisture resistanceonly.)Degrees of Protection - First DigitThe first digit of the IP code indicates the degree that personsare protected against contact with moving parts (other thansmooth rotating shafts, etc.) and the degree that equipment isprotected against solid foreign bodies intruding into an enclosure.0 No special protection1 Protection from a large part of the body such as a hand(but no protection from deliberate access); from solidobjects greater than 50 mm in diameter2 Protection against fingers or other objects not greater than80mm in length and 12 mm in diameter3 Protection from entry by tools, wires, etc., with a diameter orthickness greater than 2.5 mm4 Protection from entry by solid objects with a diameter orthickness greater than 1.0 mm5 Protection from the amount of dust that would interfere withthe operation of the equipment6 Dust-tightDegrees of Protection - Second DigitThe second digit indicates the degree of protection of the equipmentinside the enclosure against the harmful entry of variousforms of moisture (e.g. dripping, spraying, submersion, etc.).0 No special protection1 Protection from dripping water2 Protection from vertically dripping water3 Protection from sprayed water4 Protection from splashed water5 Protection from water projected from a nozzle6 Protection against heavy seas, or powerful jets of water7 Protection against immersion8 Protection against complete, continuous submersion in waterAir Flow Through An Orifice (in CFM)• Downstream pressure = 14.7 psia (standard atmospheric pressure)• Air Temperature = 70 °F (21 °C)• Cd (discharge coefficient) = 0.65 (for sharp edge orifice — See drawing)Up StreamPressureOrifice Diameters (in Inches)in. H 2O 1/32 1/16 1/8 3/16 1/4 5/16 3/8 7/16 1/2 3/4 1 1 1/4 1 1/2 1 3/4 2 2 1/4 2 1/2 2 3/4 31.00 0.014 0.054 0.217 0.489 0.869 1.36 1.96 2.66 3.48 7.82 13.9 21.7 31.3 42.6 55.6 70.4 86.9 105 1252.00 0.019 0.077 0.307 0.691 1.23 1.92 2.76 3.76 4.92 11.1 19.7 30.7 44.2 60.2 78.6 99.5 123 149 1773.00 0.024 0.094 0.376 0.846 1.50 2.35 3.39 4.61 6.02 13.5 24.1 37.6 54.2 73.7 96.3 122 150 182 2174.00 0.027 0.109 0.434 0.977 1.74 2.71 3.91 5.32 6.95 15.6 27.8 43.4 62.6 85.1 111 141 174 210 2505.00 0.030 0.121 0.486 1.09 1.94 3.04 4.37 5.95 7.77 17.5 31.1 48.6 69.9 95.2 124 157 194 235 28010.00 0.043 0.172 0.686 1.54 2.75 4.29 6.18 8.41 11.0 24.7 43.9 68.6 98.9 135 176 222 275 332 39515.00 0.053 0.210 0.840 1.89 3.36 5.25 7.56 10.3 13.4 30.3 53.8 84.0 121 165 215 272 336 407 48420.00 0.061 0.242 0.970 2.18 3.88 6.06 8.73 11.9 15.5 34.9 62.1 97.0 140 190 248 314 388 469 55925.00 0.068 0.271 1.08 2.44 4.34 6.77 9.76 13.3 17.3 39.0 69.4 108 156 212 277 351 434 525 62430.00 0.074 0.297 1.19 2.67 4.75 7.42 10.7 14.5 19.0 42.7 76.0 119 171 233 304 385 475 574 68435.00 0.080 0.320 1.28 2.88 5.13 8.01 11.5 15.7 20.5 46.1 82.0 128 185 251 328 415 513 620 73840.00 0.086 0.342 1.37 3.08 5.48 8.56 12.3 16.8 21.9 49.3 87.6 137 197 268 351 444 548 663 78945.00 0.091 0.363 1.45 3.27 5.81 9.07 13.1 17.8 23.2 52.3 92.9 145 209 285 372 470 581 703 83650.00 0.096 0.382 1.53 3.44 6.12 9.56 13.8 18.7 24.5 55.1 97.9 153 220 300 392 496 612 740 88155.00 0.100 0.401 1.60 3.61 6.41 10.0 14.4 19.6 25.7 57.7 10.3 160 231 314 411 520 641 776 92460.00 0.105 0.419 1.67 3.77 6.70 10.5 15.1 20.5 26.8 60.3 107 167 241 328 429 542 670 810 96465.00 0.109 0.435 1.74 3.92 6.97 10.9 15.7 21.3 27.9 62.7 111 174 251 341 446 564 697 843 100370.00 0.113 0.452 1.81 4.06 7.23 11.3 16.3 22.1 28.9 65.0 116 181 260 354 463 585 723 874 104175.00 0.117 0.467 1.87 4.21 7.48 11.7 16.8 22.9 29.9 67.3 120 187 269 366 479 606 748 905 107780.00 0.121 0.482 1.93 4.34 7.72 12.1 17.4 23.6 30.9 69.5 124 193 278 378 494 625 772 934 111285.00 0.124 0.497 1.99 4.47 7.95 12.4 17.9 24.4 31.8 71.6 127 199 286 390 509 644 795 962 114590.00 0.128 0.511 2.04 4.60 8.18 12.8 18.4 25.1 32.7 73.6 131 204 294 401 524 663 818 990 117895.00 0.131 0.525 2.10 4.73 8.40 13.1 18.9 25.7 33.6 75.6 134 210 302 412 538 680 840 1016 1210100.00 0.135 0.538 2.15 4.85 8.61 13.5 19.4 26.4 34.5 77.5 138 215 310 422 551 698 861 1042 1241105.00 0.138 0.551 2.21 4.96 8.82 13.8 19.9 27.0 35.3 79.4 141 221 318 432 565 7151 882 1068 1271110.00 0.141 0.564 2.26 5.08 9.03 14.1 20.3 27.6 36.1 81.2 144 226 325 442 578 731 903 1092 1300www.gastmfg.comGast Regenair® Regenerative Blowers 69