Backward Curved Centrifugal Fans — Impeller Ø250–355 mm

Filter by duty point145 models in this category

Filters use nameplate maximum values (max airflow at zero static pressure, max static pressure at zero airflow). Check the actual operating point on the performance curve of each model.

ModelSizeMax airflowm³/hMax static pressurePaPowerWNoisedB(A)SpeedrpmVoltageV
LWBA4E250-092NS-17 LWBA4E250-092NS-17AC Ø250 mm 855 165 50 68 1,400 230 Details
LWBA4E250-092NS-18 LWBA4E250-092NS-18AC Ø250 mm 1,004 221 60 70 1,600 230 Details
LWBA4E280-092NS-03 LWBA4E280-092NS-03AC Ø280 mm 1,267 216 80 63 1,350 230 Details
LWBA4E280-092NS-04 LWBA4E280-092NS-04AC Ø280 mm 1,442 288 100 66 1,500 230 Details
LWBA4E315-102NS-01 LWBA4E315-102NS-01AC Ø315 mm 1,391 309 95 56 1,400 230 Details
LWBA4E315-102NS-02 LWBA4E315-102NS-02AC Ø315 mm 1,571 412 115 58 1,600 230 Details
LWBA4E315-102NS-03 LWBA4E315-102NS-03AC Ø315 mm 1,700 309 105 60 1,400 230 Details
LWBA4E315-102NS-04 LWBA4E315-102NS-04AC Ø315 mm 1,957 412 135 62 1,600 230 Details
LWBA4E315-102NS-05 LWBA4E315-102NS-05AC Ø315 mm 1,957 309 135 63 1,400 230 Details
LWBA4E315-102NS-06 LWBA4E315-102NS-06AC Ø315 mm 2,163 412 180 65 1,580 230 Details
LWBA4E315-102NS-11 LWBA4E315-102NS-11AC Ø315 mm 1,957 319 115 63 1,350 230 Details
LWBA4E315-102NS-18 LWBA4E315-102NS-18AC Ø315 mm 2,079 399 153 69.6 1,550 230 Details
LWBA4E315-102NS-19 LWBA4E315-102NS-19AC Ø315 mm 1,859 294 116 67.4 1,390 230 Details
LWBA4E315-138NS-13 LWBA4E315-138NS-13AC Ø315 mm 2,318 371 220 64 1,450 230 Details
LWBA4E315-138NS-14 LWBA4E315-138NS-14AC Ø315 mm 2,781 515 300 68 1,650 230 Details
LWBA4E355-102NS-01 LWBA4E355-102NS-01AC Ø355 mm 2,524 381 165 63 1,400 230 Details
LWBA4E355-102NS-02 LWBA4E355-102NS-02AC Ø355 mm 2,812 515 245 65 1,460 230 Details
LWBA4E355-102NS-07 LWBA4E355-102NS-07AC Ø355 mm 2,936 464 210 65 1,350 230 Details
LWBA4E355-102NS-08 LWBA4E355-102NS-08AC Ø355 mm 3,245 515 280 67 1,550 230 Details
LWBA4E355-102NS-15 LWBA4E355-102NS-15AC Ø355 mm 3,035 546 268 73.8 1,635 230 Details
LWBA4E355-102NS-16 LWBA4E355-102NS-16AC Ø355 mm 2,636 410 203 69.9 1,425 230 Details
LWBA4E355-138NS-13 LWBA4E355-138NS-13AC Ø355 mm 3,399 464 400 72 1,400 230 Details
LWBA4E355-138NS-14 LWBA4E355-138NS-14AC Ø355 mm 4,017 618 600 77 1,700 230 Details
LWBA6E315-102NS-07 LWBA6E315-102NS-07AC Ø315 mm 1,030 155 75 58 940 230 Details
LWBA6E315-102NS-08 LWBA6E315-102NS-08AC Ø315 mm 1,133 185 85 60 1,050 230 Details
LWBA6E355-102NS-03 LWBA6E355-102NS-03AC Ø355 mm 1,257 175 100 60 930 230 Details
LWBA6E355-102NS-04 LWBA6E355-102NS-04AC Ø355 mm 1,442 206 130 61 1,080 230 Details
LWBD3G250-072NZ-07 LWBD3G250-072NZ-07DC Ø250 mm 1,483 597 110 69 2,800 310 Details
LWBD3G250-092NH-05 LWBD3G250-092NH-05DC Ø250 mm 577 1,009 150 79 3,000 48 Details
LWBD3G250-092NH-06 LWBD3G250-092NH-06DC Ø250 mm 1,442 690 160 79 3,000 48 Details
LWBD3G280-092NH-04 LWBD3G280-092NH-04DC Ø280 mm 1,648 608 130 72 2,400 48 Details
LWBD3G280-092NH-05 LWBD3G280-092NH-05DC Ø280 mm 1,854 433 135 69 2,000 48 Details
LWBD3G310-092NH-02 LWBD3G310-092NH-02DC Ø310 mm 2,266 391 120 72 1,600 48 Details
LWBD3G310-092NM-01 LWBD3G310-092NM-01DC Ø310 mm 2,266 391 120 72 1,600 24 Details
LWBD3G310-092NZ-05 LWBD3G310-092NZ-05DC Ø310 mm 2,235 474 160 75 1,850 310 Details
LWBD3G310-102NH-03 LWBD3G310-102NH-03DC Ø310 mm 2,163 510 192 73 1,900 48 Details
LWBD3G310-102NH-04 LWBD3G310-102NH-04DC Ø310 mm 2,524 530 230 75 1,970 48 Details
LWBD3G355-102NH-04 LWBD3G355-102NH-04DC Ø355 mm 2,421 499 205 75 1,600 48 Details
LWBE3G250-072NS-08 LWBE3G250-072NS-08EC Ø250 mm 1,184.5 618 85 62 1,810 230 Details
LWBE3G250-072NS-09 LWBE3G250-072NS-09EC Ø250 mm 1,478.05 927 169 71 2,570 230 Details
Certifications for this product line
CE-LVD ×3ETL ×2CE-EMCRoHS ×3
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Ningbo Longwell Electric Technology Co., Ltd. · No. 100 Henan Road, Ditang, Yuyao, Ningbo, Chinasales@longwellfans.com · WhatsApp +86 183 5827 4663 · Mon–Fri 8:30–17:30 (UTC+8), reply within 1 business dayHow to order · Privacy notice
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