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Promivac Engineers

Roots air blower / twin lobe compressor is a positive displacement, constant volume machine to operate against varying pressures. With each revolution, the compressor delivers a metered amount of air measured at inlet conditions. Operating at a constant speed against almost constant pressure, it delivers constant stream of pressurized air flow. No contamination, no oil, no spring, no valves or vanes, no internal contact of any parts and hence is free of wear and tear.

Applications

Water Treatment Plants, Cement, Fertilizers, Grain, Flour & Sugar Industries, Electroplating, Gas Boosting, Liquid Agitation and Sewage disposal etc.

Specifications

Model No. Pressure mbar 100 200 300 400 500 600 700 800 900
rpm m3 /Hr BKw m3 /Hr BKw m3 /Hr BKw m3 /Hr BKw m3 /Hr BKw m3 /Hr BKw m3 /Hr BKw m3 /Hr BKw m3 /Hr BKw
Blower Motor
PTLB-110 1196 1450 72 0.32 57 0.65 46 0.97 36 1.29 28 1.61 - - - - - - - -
1368 1450 89 0.37 73 0.74 62 1.11 52 1.47 44 1.84 - - - - - - - -
1610 1450 111 0.44 96 0.87 85 1.3 75 1.73 67 2.17 60 2.6 - - - - - -
1933 1450 142 0.52 127 1.04 115 1.56 106 2.08 97 2.6 90 3.12 83 3.64 - - - -
2239 2900 171 0.60 155 1.21 144 1.81 134 2.41 126 3.01 119 3.61 112 4.22 106 4.82 - -
2549 2900 200 0.69 185 1.37 173 2.06 164 2.74 155 3.43 148 4.11 141 4.8 135 5.49 129 6.17
2900 2900 233 0.78 218 1.56 206 2.34 197 3.12 188 3.9 181 4.68 174 5.46 168 6.24 162 7.02
PTLB-112 1073 965 113 0.47 93 0.93 78 1.4 66 1.86 55 2.33 45 2.8 - - - - - -
1368 1450 157 0.60 138 1.19 123 1.78 111 0.38 100 2.97 90 3.56 81 4.16 - - - -
1610 1450 194 0.70 174 1.4 160 2.1 147 2.8 136 3.49 126 4.19 117 4.89 109 5.59 - -
1933 1450 243 0.84 223 1.68 208 2.52 196 3.36 185 4.2 175 5.03 166 5.87 158 6.71 150 7.55
2239 2900 289 0.97 269 1.95 255 2.92 242 3.89 231 4.86 221 5.83 212 6.8 204 7.7 196 8.74
2549 2900 336 1.11 316 2.21 301 3.32 289 4.43 278 5.53 268 6.64 259 7.74 251 8.85 243 9.95
2900 2900 389 1.26 369 2.52 354 3.78 342 5.03 331 6.29 321 7.55 312 8.81 304 10.1 296 11.4
PTLB-114 1196 1450 191 0.71 168 1.41 151 2.12 136 2.83 122 3.53 110 4.24 99 4.94 - - - -
1368 1450 227 0.81 204 1.62 186 2.42 171 3.23 158 4.04 146 4.84 135 5.65 125 6.46 - -
1610 1450 277 0.95 254 1.9 236 2.85 221 3.8 208 4.75 196 5.7 185 6.65 174 7.6 165 8.55
1933 1450 343 1.14 320 2.28 302 3.42 287 4.56 274 5.7 262 6.84 251 7.98 241 9.13 231 10.3
2239 2900 406 1.32 383 2.64 365 3.97 350 5.29 337 6.61 325 7.93 314 9.25 304 10.6 294 11.9
2549 2900 470 1.51 447 3.01 429 4.51 414 6.02 401 7.52 389 9.02 378 10.6 368 12.1 358 13.6
2900 2900 542 1.71 519 3.42 502 5.14 487 6.85 473 8.56 461 10.3 450 12 440 13.7 431 15.4
PTLB-116 1073 965 272 0.98 242 1.96 219 2.94 199 3.91 182 4.89 166 5.87 151 6.85 - - - -
1275 1450 336 1.17 306 2.33 283 3.49 263 4.65 246 5.81 230 6.98 216 8.14 202 9.3 - -
1450 1450 392 1.32 362 2.65 339 3.97 319 5.29 302 6.61 286 7.93 271 9.25 258 10.6 245 11.9
1810 1450 506 1.65 476 3.3 453 4.95 434 6.6 416 8.25 400 9.9 386 11.6 372 13.2 359 14.9
2127 1450 607 1.94 577 3.88 554 5.82 534 7.76 517 9.7 501 11.7 487 13.6 473 15.5 460 17.5
2391 2900 691 2.18 661 4.36 638 6.54 618 8.72 601 10.9 585 13.1 570 15.3 557 17.5 544 19.6
2732 2900 800 2.49 770 4.98 746 7.47 727 9.96 709 12.5 694 15 679 17.5 665 19.9 652 22.4
PTLB-119 916 965 361 1.27 323 2.55 292 3.82 266 5.09 243 6.36 221 7.63 202 8.9 - - - -
1078 965 440 1.5 401 3 371 4.49 345 5.91 321 7.48 300 8.98 280 10.5 262 12.1 - -
1375 1450 584 1.91 546 3.82 515 5.73 489 7.64 466 9.54 444 11.5 425 13.4 406 15.3 389 17.2
1620 1450 703 2.25 665 4.5 634 6.75 608 9 585 11.3 563 13.5 544 15.8 525 18 508 20.3
1825 1450 803 2.54 764 5.07 734 7.6 708 10.2 684 12.7 663 15.2 643 17.8 625 20.3 607 22.8
2071 2900 923 2.88 884 5.75 853 8.63 827 11.5 804 14.4 783 17.3 763 20.1 744 23 727 25.9
2320 2900 1044 3.22 1005 6.44 974 9.66 948 12.9 925 16.1 904 19.3 884 22.6 865 25.8 848 29
PTLB-122 930 980 640 2.14 587 4.27 545 6.4 508 8.54 475 10.7 445 12.8 417 15 390 17.1 - -
1095 980 772 2.51 719 5.03 677 7.54 641 10.1 608 12.6 577 15.1 549 17.6 523 20.1 - -
1300 1450 937 2.98 884 5.97 842 8.95 805 12 772 14.9 742 17.9 714 20.9 687 23.9 662 26.9
1450 1450 1057 3.33 1004 6.65 962 9.98 926 13.3 893 16.7 863 20 834 23.3 808 26.6 783 30
1625 1450 1198 3.73 1145 7.46 1103 11.2 1066 14.9 1033 18.7 1003 22.4 975 26.1 948 29.8 923 33.6
1825 1450 1358 4.19 1306 8.37 1263 12.6 1227 16.8 1194 21.0 1164 25.1 1136 29.3 1109 33.5 1084 37.7
PTLB-126 875 965 970 3.2 900 6.39 845 9.59 797 12.8 755 16.0 716 19.2 680 22.4 647 25.6 615 28.8
980 965 1104 3.58 1034 7.16 979 10.8 931 14.3 889 17.9 850 21.5 814 25.1 781 28.7 749 32.2
1095 1450 1250 4.0 1181 8.0 1126 12.0 1078 16.0 1036 20.0 997 24.0 961 28.0 927 32.0 895 36.0
1230 1450 1423 4.49 1353 8.99 1298 13.5 1250 18 1208 22.5 1169 27.0 1133 31.5 1100 36.0 1068 40.5
1375 1450 1608 5.02 1538 10.1 1483 15.1 1435 20.1 1393 25.1 1354 30.2 1318 35.2 1285 40.2 1253 45.2
1535 1450 1812 5.61 1742 11.2 1687 16.8 1640 22.5 1597 28.1 1559 33.7 1522 39.2 1489 44.9 1457 50.5
1720 1450 2048 6.28 1978 12.6 1923 18.9 1876 25.2 1833 31.4 1795 37.7 1759 44 1725 50.3 1693 56.6