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80/20 System Performance Table
Adobe PDF Version 
CFM @
70°F		 Model Horsepower at Design ESP* Design Temperature Rise BTU/hr in 1000s
0.25 0.5 0.75 1 1.5 2 40 50 60 70 80 90 100 110 120
2500 RAM-12M 1 1.5 1.5 - - - 108 135 162 189 216 243 270 297 324
2600 RAM-12M 1.5 1.5 1.5 1.5 - - 112 140 168 197 225 253 281 309 337
2800 RAM-12M 1.5 1.5 1.5 2 - - 121 151 181 212 242 272 302 333 363
3000 RAM-12M 1.5 1.5 2 2 3 - 130 162 194 227 259 292 324 356 389
3200 RAM-12M 1.5 2 2 2 3 3 138 173 207 242 276 311 346 380 415
3400 RAM-12M 2 2 2 3 3 3 147 184 220 257 294 330 367 404 441
RAM-15M 1.5 - - - - -
3500 RAM-12M 2 2 2 3 3 3 151 189 227 265 302 340 378 416 454
RAM-15M 1.5 1.5 - - - -
3600 RAM-12M 2 2 3 3 3 5 156 194 233 272 311 350 389 428 467
RAM-15M 1.5 2 - - - -
3800 RAM-12M 2 3 3 3 3 5 164 205 246 287 328 369 410 451 492
RAM-15M 1.5 2 2 - - -
4000 RAM-12M 3 3 3 3 5 5 173 216 259 302 346 389 432 475 518
RAM-15M 2 2 2 3 - -
4200 RAM-12M 3 3 3 3 5 5 181 227 272 318 363 408 454 499 544
RAM-15M 2 2 3 3 - -
4400 RAM-12M 3 3 3 5 5 5 190 238 285 333 380 428 475 523 570
RAM-15M 2 2 3 3 - -
4500 RAM-12M 3 3 3 5 5 5 194 243 292 340 389 437 486 535 583
RAM-15M 2 3 3 3 5 -
4600 RAM-12M 3 3 5 5 5 5 199 248 298 348 397 447 497 546 596
RAM-15M 2 3 3 3 5 -
4800 RAM-12M 3 5 5 5 5 5 207 259 311 363 415 467 518 570 622
RAM-15M 3 3 3 3 5 -
5000 RAM-12M 5 5 5 5 5 5 216 270 324 378 432 486 540 594 648
RAM-15M 3 3 3 3 5 5
RAM-18M 2 3 3 - - -
5500 RAM-15M 3 3 5 5 5 5 238 297 356 416 475 535 594 653 713
RAM-18M 3 3 3 5 - -
6000 RAM-15M 3 5 5 5 5 7.5 259 324 389 454 518 583 648 713 778
RAM-18M 3 3 5 5 5 -
6500 RAM-15M 5 5 5 5 7.5 7.5 281 351 421 491 562 632 702 772 842
RAM-18M 3 5 5 5 5 7.5
7000 RAM-15M 5 5 5 7.5 7.5 7.5 302 378 454 529 605 680 756 832 907
RAM-18M 5 5 5 5 7.5 7.5
RAM-20M 3 3 5 - - -
7500 RAM-18M 5 5 5 5 7.5 7.5 324 405 486 567 648 729 810 891 972
RAM-20M 3 5 5 5 - -
8000 RAM-18M 5 5 5 7.5 7.5 7.5 346 432 518 605 691 778 864 950 1037
RAM-20M 5 5 5 5 - -
8500 RAM-18M 5 5 7.5 7.5 7.5 10 367 459 551 643 734 826 918 1010 1102
RAM-20M 5 5 5 5 7.5 -
9000 RAM-18M 7.5 7.5 7.5 7.5 10 10 389 486 583 680 778 875 972 1069 1166
RAM-20M 5 5 5 7.5 7.5 -
9500 RAM-18M 7.5 7.5 7.5 7.5 10 10 410 513 616 718 821 923 1026 1129 1231
RAM-20M 5 5 7.5 7.5 7.5 10
10,000 RAM-18M 7.5 7.5 7.5 10 10 15 432 540 648 756 864 972 1080 1188 1296
RAM-20M 5 7.5 7.5 7.5 7.5 10
RAM-22M 5 5 7.5 7.5 - -
11,000 RAM-20M 7.5 7.5 7.5 7.5 10 10 475 594 713 832 950 1069 1188 1307 1426
RAM-22M 5 7.5 7.5 7.5 10 -
12,000 RAM-20M 7.5 7.5 10 10 10 15 518 648 778 907 1037 1166 1296 1426 1555
RAM-22M 7.5 7.5 7.5 7.5 10 15
13,000 RAM-20M 10 10 10 10 15 15 562 702 842 983 1123 1264 1404 1544 -
RAM-22M 7.5 7.5 10 10 10 15 1685
14,000 RAM-20M 10 10 15 15 15 15 605 756 907 1058 1210 1361 1512 - -
RAM-22M 7.5 10 10 10 15 15 1663 1814
15,000 RAM-20M 15 15 15 15 15 - 648 810 972 1134 1296 1458 - - -
RAM-22M 10 10 10 15 15 15 1620 1782 1944
RAM-25M 7.5 7.5 7.5 10 15 -
16,000 RAM-22M 10 15 15 15 15 20 691 864 1037 1210 1382 1555 1728 1901 2074
RAM-25M 7.5 7.5 10 10 15 -
RAM-27M 7.5 7.5 7.5 - - -
17,000 RAM-22M 15 15 15 15 20 20 734 918 1102 1285 1469 1652 1836 2020 2203
RAM-25M 7.5 10 10 10 15 15
RAM-27M 7.5 7.5 10 10 - -
18,000 RAM-22M 15 15 15 20 20 20 778 972 1166 1361 1555 1750 1944 2138 2333
RAM-25M 10 10 10 15 15 15
RAM-27M 7.5 10 10 10 - -
19,000 RAM-25M 10 10 15 15 15 20 821 1026 1231 1436 1642 1847 2052 2257 2462
RAM-27M 7.5 10 10 15 15 -
20,000 RAM-25M 10 15 15 15 15 20 864 1080 1296 1512 1728 1944 2160 2376 2592
RAM-27M 10 10 10 15 15 -
RAM-30M 10 10 10 15 - -
21,000 RAM-25M 15 15 15 15 20 20 907 1134 1361 1588 1814 2041 2268 2495 2722
RAM-27M 10 10 15 15 15 20
RAM-30M 10 10 15 15 - -
22,000 RAM-25M 15 15 15 20 20 20 950 1188 1426 1663 1901 2138 2376 2614 -
RAM-27M 10 15 15 15 15 20 2851
RAM-30M 10 15 15 15 20 -
RAM-222M 10 15 15 15 20 -
23,000 RAM-25M 15 15 20 20 20 25 994 1242 1490 1739 1987 2236 2484 2732 -
RAM-27M 15 15 15 15 20 20 2981
RAM-30M 10 15 15 15 20 -
RAM-222M 10 15 15 15 20 20
24,000 RAM-25M 15 20 20 20 25 25 1037 1296 1555 1814 2074 2333 2592 - -
RAM-27M 15 15 15 15 20 20 2851 3110
RAM-30M 15 15 15 15 20 20
RAM-33M 10 10 15 - - -
RAM-222M 15 15 15 15 20 25
25,000 RAM-27M 15 15 15 20 20 25 1080 1350 1620 1890 2160 2430 2700 2970 3240
RAM-30M 15 15 15 15 20 25
RAM-33M 10 15 15 15 - -
RAM-222M 15 15 15 20 20 25
26,000 RAM-27M 15 15 20 20 20 25 1123 1404 1685 1966 2246 2527 2808 3089 3370
RAM-30M 15 15 15 20 20 25
RAM-33M 15 15 15 15 - -
RAM-222M 15 15 15 20 20 25
27,000 RAM-27M 15 20 20 20 25 25 1166 1458 1750 2041 2333 2624 2916 3208 -
RAM-30M 15 15 20 20 20 25 -
RAM-33M 15 15 15 15 - - 3499
RAM-222M 15 15 20 20 25 25
28,000 RAM-27M 20 20 20 20 25 25 1210 1512 1814 2117 2419 2722 3024 3326 -
RAM-30M 15 20 20 20 25 25 -
RAM-33M 15 15 15 20 20 - 3629
RAM-36M 15 15 15 20 - -
RAM-222M 15 20 20 20 25 25
29,000 RAM-27M 20 20 20 25 25 30 1253 1566 1879 2192 2506 2819 3132 - -
RAM-30M 15 20 20 20 25 25 - -
RAM-33M 15 15 15 20 20 - 3445 3758
RAM-36M 15 15 15 20 20 -
RAM-222M 20 20 20 20 25 30
30,000 RAM-30M 20 20 20 25 25 30 1296 1620 1944 2268 2592 2916 3240 - -
RAM-33M 15 15 20 20 25 25 3564 3888
RAM-36M 15 15 20 20 20 -
RAM-222M 20 20 20 25 25 30
RAM-225M 15 15 15 20 25 -
32,000 RAM-30M 20 20 25 25 30 30 1382 1728 2074 2419 2765 3110 - - -
RAM-33M 15 20 20 20 25 30 3456 3802 -
RAM-36M 15 20 20 20 25 30 -
RAM-222M 20 25 25 25 30 40 4147
RAM-225M 15 15 20 20 25 -
34,000 RAM-30M 25 25 25 30 30 40 1469 1836 2203 2570 - - - - -
RAM-33M 20 20 20 25 25 30 2938 3305 3672 - -
RAM-36M 20 20 20 25 25 30 - -
RAM-222M 25 25 25 30 30 40 4039 4406
RAM-225M 15 20 20 20 25 30
RAM-227M 15 15 20 20 - -
36,000 RAM-30M 25 30 30 30 40 40 1555 1944 2333 - - - - - -
RAM-33M 20 25 25 25 30 40 2722 3110 3499 3888 - -
RAM-36M 20 20 25 25 30 30 - -
RAM-222M 25 30 30 30 40 40 4277 4666
RAM-225M 20 20 20 25 30 30
RAM-227M 15 15 20 20 - -
38,000 RAM-33M 25 25 25 30 30 40 1642 2052 2462 2873 3283 3694 - - -
RAM-36M 25 25 25 25 30 40 - - -
RAM-225M 20 20 25 25 30 40 4104 4514 4925
RAM-227M 15 20 20 20 25 -
40,000 RAM-33M 25 30 30 30 40 40 1728 2160 2592 3024 3456 3888 - - -
RAM-36M 25 25 30 30 40 40 - - -
RAM-225M 20 25 25 30 30 40 4320 4752 -
RAM-227M 20 20 20 25 30 - 5184
RAM-230M 15 20 20 25 - -
42,000 RAM-33M 30 30 40 40 40 40 1814 2268 2722 3175 3629 - - - -
RAM-36M 25 30 30 40 40 40 - - - -
RAM-225M 25 25 30 30 40 40 4082 4536 - -
RAM-227M 20 20 25 25 30 40 4990 5443
RAM-230M 20 20 20 25 30 -
44,000 RAM-36M 30 30 40 40 40 50 1901 2376 2851 3326 3802 - - - -
RAM-225M 25 30 30 40 40 40 4277 4752 - -
RAM-227M 20 25 25 25 30 40 5227 5702
RAM-230M 20 20 25 25 30 -
46,000 RAM-36M 40 40 40 40 50 50 1987 2484 2981 3478 3974 - - - -
RAM-225M 30 30 40 40 40 50 4471 4968 - -
RAM-227M 25 25 25 30 40 40 5465 5962
RAM-230M 20 25 25 30 40 40
48,000 RAM-225M 30 40 40 40 50 50 2074 2592 3110 3629 4147 4666 5184 - -
RAM-227M 25 25 30 30 40 40 5702 6221
RAM-230M 20 25 25 30 40 40
50,000 RAM-227M 25 30 30 40 40 40 2160 2700 3240 3780 4320 4860 5400 5940 6480
RAM-230M 25 25 30 30 40 40
52,000 RAM-227M 30 30 40 40 40 50 2246 2808 3370 3931 4493 5054 5616 6178 6739
RAM-230M 25 30 30 40 40 50
54,000 RAM-227M 30 40 40 40 50 50 2333 2916 3499 4082 4666 5249 5832 6415 6998
RAM-230M 25 30 30 40 40 50
RAM-233M 25 25 30 30 - -
56,000 RAM-227M 40 40 40 40 50 50 2419 3024 3629 4234 4838 5443 6048 6653 -
RAM-230M 30 30 40 40 40 50 -
RAM-233M 25 30 30 40 40 - 7258
58,000 RAM-227M 40 40 40 50 50 60 2506 3132 3758 4385 5011 5638 6264 - -
RAM-230M 30 40 40 40 50 50 - -
RAM-233M 25 30 30 40 40 - 6890 7517
60,000 RAM-230M 40 40 40 40 50 - 2592 3240 3888 4536 5184 5832 6480 - -
RAM-233M 30 30 40 40 50 50 7128 7776
RAM-236M 25 30 40 40 40 -
62,000 RAM-230M 40 40 40 50 50 - 2678 3348 4017 4687 5356 6026 - - -
RAM-233M 30 40 40 40 50 50 6696 7365 8035
RAM-236M 30 30 40 40 50 -
64,000 RAM-230M 40 40 50 50 50 - 2765 3456 4147 4838 5530 - - - -
RAM-233M 30 40 40 40 50 60 6221 6912 7603 8294
RAM-236M 30 40 40 40 50 50
66,000 RAM-230M 40 50 50 50 - - 2851 3564 4277 - - - - - -
RAM-233M 40 40 40 50 50 60 4990 5702 6415 7128 7841 -
RAM-236M 30 40 40 40 50 50 9266
68,000 RAM-230M 40 50 50 50 - - 2938 3672 4406 - - - - - -
RAM-233M 40 40 40 50 50 60 5141 5875 6610 7344 8078
RAM-236M 40 40 40 50 50 60
70,000 RAM-230M 50 50 50 - - - 3024 3780 4536 - - - - - -
RAM-233M 40 40 50 50 60 60 5292 6048 6804 7560 8316
RAM-236M 40 40 40 50 50 60
72,000 RAM-233M 40 50 50 50 60 75 3110 3888 4666 5443 6221 6998 7776 8554 -
RAM-236M 40 40 50 50 60 60
76,000 RAM-233M 50 50 50 60 60 75 3283 4104 4925 5746 6566 7387 8208 9029 -
RAM-236M 40 50 50 50 60 75
80,000 RAM-233M 50 60 60 60 75 75 3456 4320 5184 6048 6912 7776 8640 - -
RAM-236M 50 50 60 60 75 75
86,000 RAM-233M 60 60 75 75 75 100 3715 4644 5573 6502 7430 8359 - - -
RAM-236M 60 60 60 75 75 100 -
88,000 RAM-236M 60 60 75 75 75 100 3802 4752 5702 6653 7603 - - - -
92,000 RAM-236M 75 75 75 75 100 100 3974 4968 5962 6955 7949 - - - -
*ESP consists of duct losses and accessories that are external to the unit (hood, filter, and damper).
Consult factory for ESP over 2"