CHOSEN’S FDW Series fan is the belt driving centrigugal fan that is mainly applied in central air conditioning units, pipeline unit and other HVAC, cleaning, ventilation equipment with the features of low noise, high effeciency, stable operation and flexible adjustment etc.
| Item | Power | Air Flow | Total Pressure | Static Pressure | Speed | Noise | Outlet Wind Speed | Efficiency Range Within Total Pressure |
| Kw | (m3/h) | (Pa) | (Pa) | RPM | dB(A) | （m/s） | % | |
| FDW07-X / FDW07-Y | 0.25 | 1174-2018 | 275-139 | 253-71 | 1071-1494 | 64 | 6-10 | 50-39% |
| 0.37 | 1355-2331 | 368-185 | 337-95 | 1237-1726 | 67 | 7-12 | ||
| 0.55 | 1547-2661 | 479-241 | 439-124 | 1412-1970 | 70 | 8-13 | ||
| 0.75 | 1716-2951 | 589-297 | 541-153 | 1567-2185 | 72 | 9-15 | ||
| 1.1 | 2578-3354 | 640-383 | 530-197 | 1780-2207 | 74 | 13-17 | ||
| FDW07-Z1 | 1.5 | 2944-3719 | 758-471 | 615-243 | 1974-2394 | 75 | 15-19 | |
| FDW08-X / FDW08-Y | 0.37 | 1452-2572 | 389-198 | 371-141 | 1007-1367 | 66 | 5-9 | 59-46% |
| 0.55 | 1658-2936 | 507-258 | 483-184 | 1150-1560 | 69 | 6-11 | ||
| 0.75 | 1839-3256 | 624-317 | 595-226 | 1275-1730 | 72 | 6-12 | ||
| 1.1 | 2089-3700 | 805-410 | 768-292 | 1449-1966 | 74 | 7-13 | ||
| 1.5 | 3149-4124 | 848-509 | 763-364 | 1616-1987 | 76 | 11-15 | ||
| FDW08-Z1 | 2.2 | 3729-4660 | 1039-650 | 920-464 | 1825-2199 | 79 | 14-17 | |
| FDW09-X / FDW09-Y | 0.37 | 1827-3209 | 321-165 | 296-87 | 1008-1272 | 66 | 6-11 | 61-40% |
| 0.55 | 2085-3664 | 419-216 | 386-114 | 1151-1451 | 69 | 7-13 | ||
| 0.75 | 2313-4064 | 515-265 | 475-140 | 1277-1610 | 72 | 8-14 | ||
| FDW09-Z1 | 1.1 | 2629-4618 | 665-343 | 613-181 | 1451-1830 | 74 | 9-16 | |
| 1.5 | 3723-5121 | 724-421 | 619-222 | 1609-1886 | 76 | 13-18 | ||
| FDW09-Z2 | 2.2 | 4114-5818 | 974-544 | 846-287 | 1828-2188 | 79 | 14-20 | |
| FDW10-X / FDW10-Y | 0.55 | 2750-4559 | 377-166 | 339-61 | 901-1220 | 70 | 7-13 | 64-46% |
| 0.75 | 3051-5057 | 464-214 | 417-85 | 1016-1353 | 73 | 8-14 | ||
| 1.1 | 3718-5746 | 567-264 | 497-97 | 1136-1491 | 75 | 10-16 | ||
| FDW10-Z1 | 1.5 | 3844-6372 | 737-325 | 663-119 | 1259-1706 | 78 | 11-18 | |
| 2.2 | 5166-7239 | 817-419 | 682-154 | 1431-1784 | 79 | 15-21 | ||
| FDW10-Z2 | 3 | 5916-8143 | 1012-530 | 835-195 | 1609-1989 | 81 | 17-23 | |
| FDW12-X / FDW12-Y | 0.75 | 3513-6297 | 360-183 | 328-82 | 746-951 | 69 | 7-12 | 67-51% |
| 1.1 | 3992-7156 | 465-236 | 424-105 | 848-1080 | 71 | 8-14 | ||
| 1.5 | 4426-7934 | 571-290 | 521-130 | 940-1198 | 74 | 9-16 | ||
| FDW12-Z1 | 2.2 | 5029-9013 | 738-375 | 673-168 | 1068-1361 | 76 | 10-18 | |
| FDW12-Z2 | 3 | 5657-10139 | 933-475 | 852-212 | 1201-1531 | 79 | 11-20 | |
| 4 | 7516-11158 | 1038-575 | 894-257 | 1322-1592 | 81 | 15-23 | ||
| FDW15-X / FDW15-Y | 1.1 | 5435-9143 | 348-184 | 310-77 | 623-816 | 71 | 7-13 | 65-51% |
| 1.5 | 6021-10129 | 427-226 | 381-95 | 690-904 | 73 | 8-14 | ||
| 2.2 | 6843-11510 | 552-292 | 492-123 | 784-1028 | 76 | 9-16 | ||
| FDW15-Z1 | 3 | 7696-12944 | 698-369 | 622-155 | 882-1156 | 78 | 11-18 | |
| 4 | 10380-14262 | 766-448 | 628-188 | 971-1197 | 79 | 15-20 | ||
| FDW15-Z2 | 5.5 | 11339-15856 | 957-554 | 792-233 | 1080-1338 | 82 | 16-23 | |
| FDW18-Z1 | 1.5 | 6660-11961 | 445-191 | 416-98 | 594-824 | 74 | 6-12 | 70-51% |
| 2.2 | 7566-13589 | 575-247 | 538-127 | 675-937 | 77 | 7-14 | ||
| 3 | 8511-15286 | 728-313 | 680-160 | 759-1054 | 79 | 8-15 | ||
| 4 | 10757-16822 | 805-379 | 730-194 | 836-1093 | 81 | 11-17 | ||
| FDW18-Z2 | 5.5 | 10695-18706 | 1073-469 | 999-240 | 930-1276 | 84 | 11-19 | |
| 7.5 | 14581-20749 | 1128-577 | 989-295 | 1031-1289 | 85 | 15-21 | ||
| FDW20-Z1 | 2.2 | 8782-16982 | 436-233 | 407-123 | 480-672 | 75 | 6-13 | 69-58% |
| 3 | 9878-19102 | 552-295 | 515-156 | 540-755 | 77 | 7-15 | ||
| 4 | 12189-21023 | 626-357 | 570-189 | 594-795 | 79 | 9-16 | ||
| 5.5 | 16710-23377 | 668-441 | 562-234 | 661-799 | 81 | 13-18 | ||
| FDW20-Z2 | 7.5 | 14588-25923 | 970-543 | 889-288 | 733-992 | 83 | 11-20 | |
| FDW20-Z3 | 11 | 15233-29450 | 1314-701 | 1225-372 | 833-1165 | 87 | 12-23 | |
| 15 | 17782-33158 | 1628-888 | 1508-471 | 937-1292 | 89 | 14-26 | ||
| 18.5 | 22599-35546 | 1688-1021 | 1494-542 | 1005-1294 | 89 | 17-28 | ||
| FDW22-Z1 | 3 | 11789-22019 | 430-243 | 392-111 | 440-594 | 76 | 7-14 | 70-57% |
| 4 | 12974-24232 | 521-294 | 475-134 | 484-654 | 78 | 8-16 | ||
| 5.5 | 14431-26952 | 644-364 | 587-166 | 539-727 | 80 | 9-18 | ||
| 7.5 | 16923-29888 | 782-448 | 704-204 | 597-791 | 83 | 11-20 | ||
| FDW22-Z2 | 11 | 18180-33954 | 1023-578 | 933-264 | 679-916 | 85 | 12-22 | |
| 15 | 22698-38212 | 1264-732 | 1124-335 | 764-995 | 88 | 15-25 | ||
| FDW22-Z3 | 18.5 | 21938-40973 | 1490-842 | 1359-385 | 819-1106 | 89 | 14-27 | |
| 22 | 29241-43411 | 1575-945 | 1343-432 | 868-1082 | 91 | 19-29 | ||
| FDW25-Z1 | 4 | 15339-27239 | 506-239 | 469-121 | 396-565 | 78 | 7-14 | 68-52% |
| 5.5 | 17056-30297 | 626-295 | 580-149 | 440-629 | 80 | 8-15 | ||
| 7.5 | 18914-33596 | 770-363 | 713-184 | 488-697 | 83 | 9-17 | ||
| 11 | 25118-38168 | 918-468 | 818-237 | 555-748 | 85 | 12-19 | ||
| FDW25-Z2 | 15 | 27669-42953 | 1174-594 | 1053-301 | 625-848 | 88 | 14-22 | |
| 18.5 | 33806-46057 | 1202-683 | 1020-346 | 670-847 | 90 | 17-23 | ||
| FDW25-Z3 | 22 | 33682-48797 | 1454-766 | 1274-389 | 710-937 | 91 | 17-25 | |
| FDW27-Z1 | 5.5 | 20691-36433 | 499-250 | 451-102 | 350-497 | 82 | 8-15 | 67-53% |
| 7.5 | 22945-40401 | 613-308 | 555-126 | 388-551 | 84 | 9-17 | ||
| 11 | 26073-45909 | 792-397 | 717-162 | 441-626 | 87 | 11-19 | ||
| 15 | 29342-51665 | 1004-503 | 908-206 | 496-705 | 90 | 12-22 | ||
| 18.5 | 32136-55411 | 1140-579 | 1025-237 | 532-749 | 91 | 13-23 | ||
| 22 | 38904-58708 | 1174-650 | 1006-266 | 564-745 | 92 | 16-25 | ||
| FDW27-Z2 | 30 | 41304-65087 | 1506-800 | 1316-327 | 626-849 | 95 | 17-28 | |
| FDW27-Z3 | 37 | 42014-69807 | 1781-920 | 1584-376 | 671-931 | 96 | 18-30 | |
| FDW30-Z1 | 7.5 | 23922-42707 | 667-313 | 621-166 | 361-544 | 84 | 8-15 | 70-57% |
| 11 | 27176-48528 | 861-404 | 801-214 | 410-618 | 87 | 9-17 | ||
| 15 | 30591-54613 | 1091-512 | 1015-271 | 462-696 | 89 | 11-20 | ||
| 18.5 | 37583-58573 | 1127-589 | 1013-312 | 496-697 | 90 | 13-21 | ||
| 22 | 43551-62058 | 1153-661 | 1000-350 | 525-699 | 91 | 15-22 | ||
| FDW30-Z2 | 30 | 46131-68817 | 1489-813 | 1317-430 | 582-798 | 94 | 16-25 | |
| FDW30-Z3 | 37 | 47086-73790 | 1803-935 | 1624-495 | 624-882 | 96 | 17-27 | |
| FDW33-Z1 | 11 | 33059-59951 | 687-327 | 634-153 | 355-506 | 87 | 9-17 | 70-57% |
| 15 | 39994-67468 | 824-414 | 746-194 | 399-549 | 89 | 11-19 | ||
| 18.5 | 47863-72360 | 794-477 | 683-223 | 428-531 | 89 | 13-20 | ||
| 22 | 51428-76665 | 785-535 | 657-250 | 454-526 | 89 | 14-21 | ||
| FDW33-Z2 | 30 | 57029-85015 | 1188-658 | 1030-308 | 503-651 | 93 | 16-24 | |
| 37 | 61150-91138 | 1366-757 | 1185-354 | 539-698 | 95 | 17-25 | ||
| 45 | 65282-97319 | 1557-862 | 1350-404 | 576-745 | 96 | 18-27 | ||
| FDW36-Z1 | 15 | 43241-79873 | 726-331 | 680-173 | 325-489 | 88 | 8-16 | 69-54% |
| 18.5 | 46366-85644 | 835-381 | 782-200 | 348-525 | 90 | 9-17 | ||
| 22 | 49124-90740 | 938-428 | 878-224 | 369-556 | 91 | 9-18 | ||
| 30 | 54475-100623 | 1153-526 | 1080-276 | 409-616 | 93 | 11-20 | ||
| 37 | 71466-107919 | 1153-606 | 1026-317 | 439-600 | 95 | 14-21 | ||
| 45 | 76278-115186 | 1314-690 | 1169-361 | 468-640 | 96 | 15-23 | ||
| 55 | 81564-123168 | 1502-789 | 1337-413 | 501-685 | 98 | 16-25 | ||
| FDW40-Z1 | 18.5 | 53137-96294 | 717-345 | 671-194 | 293-437 | 90 | 8-15 | 70-55% |
| 22 | 56298-102023 | 805-387 | 754-218 | 311-463 | 91 | 9-16 | ||
| 30 | 62430-113135 | 990-477 | 927-268 | 345-513 | 94 | 10-18 | ||
| 37 | 66942-121310 | 1139-548 | 1066-308 | 369-551 | 95 | 11-19 | ||
| 45 | 71466-129509 | 1298-625 | 1215-351 | 394-588 | 97 | 11-21 | ||
| 55 | 93929-138452 | 1302-714 | 1159-402 | 422-577 | 98 | 15-22 |
