Backward Curved Centrifugal Fans — Impeller Ø250–355 mm

Backward Curved Centrifugal Fans — Impeller Ø250–355 mm: 145 models. Filter by airflow, static pressure, voltage and motor platform, compare specifications side by side and add models to your RFQ.

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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
LWBA2D315-138NT-12 LWBA2D315-138NT-12AC Ø315 mm 3,605 927 800 84 2,750 380 Details
LWBA2D315-188NT-17 LWBA2D315-188NT-17AC Ø315 mm 4,120 1,082 1,300 85 2,650 380 Details
LWBA2D355-188NT-17 LWBA2D355-188NT-17AC Ø355 mm 4,635 1,339 1,600 90 2,700 380 Details
LWBA2D355-188NT-18 LWBA2D355-188NT-18AC Ø355 mm 5,974 1,339 2,500 90 2,700 380 Details
LWBA4D355-102NT-10 LWBA4D355-102NT-10AC Ø355 mm 3,245 515 270 67 1,600 380 Details
LWBA4D355-138NT-11 LWBA4D355-138NT-11AC Ø355 mm 3,399 464 360 72 1,450 380 Details
LWBA4D355-138NT-12 LWBA4D355-138NT-12AC Ø355 mm 4,017 618 550 77 1,700 380 Details
LWBA4E355-102NS-08 LWBA4E355-102NS-08AC Ø355 mm 3,245 515 280 67 1,550 230 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
LWBE3G250-102NT-21 LWBE3G250-102NT-21EC Ø250 mm 3,708 1,751 1,000 92 3,860 380 Details
LWBE3G280-102NS-06 LWBE3G280-102NS-06EC Ø280 mm 3,862.5 1,658 700 85 3,270 230 Details
LWBE3G280-102NT-17 LWBE3G280-102NT-17EC Ø280 mm 4,377.5 1,751 1,100 78 3,370 380 Details
LWBE3G280-138NT-18 LWBE3G280-138NT-18EC Ø280 mm 3,790 1,421 1,355 89 3,500 400 Details
LWBE3G310-102NS-09 LWBE3G310-102NS-09EC Ø310 mm 4,120 1,081.5 700 85 2,960 230 Details
LWBE3G310-102NT-24 LWBE3G310-102NT-24EC Ø310 mm 5,150 1,730.4 1,100 85 3,000 380 Details
LWBE3G310-102NU-30 LWBE3G310-102NU-30EC Ø310 mm 3,399 979 400 70 2,300 115 Details
LWBE3G310-138NT-05 LWBE3G310-138NT-05EC Ø310 mm 4,398.1 824 980 74 2,600 400 Details
LWBE3G310-138NT-25 LWBE3G310-138NT-25EC Ø310 mm 5,592.9 1,082 1,588 92 3,300 400 Details
LWBE3G355-102NS-11 LWBE3G355-102NS-11EC Ø355 mm 5,047 1,009.4 700 85 2,200 230 Details
LWBE3G355-102NS-15 LWBE3G355-102NS-15EC Ø355 mm 3,915 770 498 70 2,050 230 Details
LWBE3G355-102NS-20 LWBE3G355-102NS-20EC Ø355 mm 3,554 618 285 76 1,800 230 Details
LWBE3G355-102NS-24 LWBE3G355-102NS-24EC Ø355 mm 4,171.5 906.4 520 75 2,550 230 Details
LWBE3G355-102NT-25 LWBE3G355-102NT-25EC Ø355 mm 6,180 1,751 1,100 86 2,550 380 Details
LWBE3G355-138NT-12 LWBE3G355-138NT-12EC Ø355 mm 7,045.2 830.18 1,700 81 2,700 400 Details
LWBE3G355-138NT-17 LWBE3G355-138NT-17EC Ø355 mm 5,356 639 990 79 2,100 400 Details
LWBE3G355-138NT-27 LWBE3G355-138NT-27EC Ø355 mm 6,249 1,353 1,500 77 2,710 400 Details
LWBE3G355-188NT-26 LWBE3G355-188NT-26EC Ø355 mm 8,034 1,545 3,090 96 3,200 400 Details
LWBE3G355-188NT-29 LWBE3G355-188NT-29EC Ø355 mm 6,756 2,523.5 3,100 96 3,800 380 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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