Backward Curved Centrifugal Fans

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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
LWBE3G250-102NS-25 LWBE3G250-102NS-25EC Ø250 mm 1,751 824 270 84 3,170 230 Details
LWBE3G250-102NS-26 LWBE3G250-102NS-26EC Ø250 mm 1,700 1,082 370 82 3,500 230 Details
LWBE3G270-092NS-02 LWBE3G270-092NS-02EC Ø270 mm 1,545 332 150 68 1,900 230 Details
LWBE3G280-072NS-12 LWBE3G280-072NS-12EC Ø280 mm 2,317.5 556.2 170 73 1,910 230 Details
LWBE3G280-092NS-11 LWBE3G280-092NS-11EC Ø280 mm 2,008.5 803.4 225 70 2,650 230 Details
LWBE3G280-092NS-12 LWBE3G280-092NS-12EC Ø280 mm 1,813 680 165 74 2,600 230 Details
LWBE3G280-092NS-13 LWBE3G280-092NS-13EC Ø280 mm 1,743 481 105 69 2,200 230 Details
LWBE3G280-092NS-17 LWBE3G280-092NS-17EC Ø280 mm 2,018.8 545.9 180 72 2,200 230 Details
LWBE3G280-102NS-06 LWBE3G280-102NS-06EC Ø280 mm 3,862.5 1,658 700 85 3,270 230 Details
LWBE3G280-102NS-14 LWBE3G280-102NS-14EC Ø280 mm 2,318 824 340 78 2,760 230 Details
LWBE3G280-102NS-15 LWBE3G280-102NS-15EC Ø280 mm 2,472 1,051 475 82 3,100 230 Details
LWBE3G280-102NS-16 LWBE3G280-102NS-16EC Ø280 mm 3,193 1,442 500 75 3,000 230 Details
LWBE3G280-102NS-19 LWBE3G280-102NS-19EC Ø280 mm 3,039 1,102 625 82 3,000 230 Details
LWBE3G310-072NS-07 LWBE3G310-072NS-07EC Ø310 mm 2,266 700.4 175 66 1,810 230 Details
LWBE3G310-072NS-21 LWBE3G310-072NS-21EC Ø310 mm 2,266 618 175 72 1,710 230 Details
LWBE3G310-092NS-17 LWBE3G310-092NS-17EC Ø310 mm 2,410 443 150 75 1,750 230 Details
LWBE3G310-092NS-20 LWBE3G310-092NS-20EC Ø310 mm 2,235 474 160 75 1,850 230 Details
LWBE3G310-092NS-22 LWBE3G310-092NS-22EC Ø310 mm 2,678 607.7 175 63 1,500 230 Details
LWBE3G310-092NS-23 LWBE3G310-092NS-23EC Ø310 mm 2,523.5 669.5 220 66 2,050 230 Details
LWBE3G310-102NS-09 LWBE3G310-102NS-09EC Ø310 mm 4,120 1,081.5 700 85 2,960 230 Details
LWBE3G310-102NS-16 LWBE3G310-102NS-16EC Ø310 mm 2,868.6 630 285 70 2,150 230 Details
LWBE3G310-102NS-18 LWBE3G310-102NS-18EC Ø310 mm 2,884 963 450 78 2,600 230 Details
LWBE3G310-102NS-19 LWBE3G310-102NS-19EC Ø310 mm 2,936 700 370 76 2,300 230 Details
LWBE3G355-092NS-19 LWBE3G355-092NS-19EC Ø355 mm 2,472 350.2 120 68 1,400 230 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-21 LWBE3G355-102NS-21EC Ø355 mm 3,141.5 669.5 330 77 1,900 230 Details
LWBE3G355-102NS-24 LWBE3G355-102NS-24EC Ø355 mm 4,171.5 906.4 520 75 2,550 230 Details
LWBE3G400-102NS-02 LWBE3G400-102NS-02EC Ø400 mm 3,914 556.2 330 70 1,430 230 Details
LWBE3G400-102NS-11 LWBE3G400-102NS-11EC Ø400 mm 6,489 978.5 700 85 1,800 230 Details
LWBE3G400-102NS-14 LWBE3G400-102NS-14EC Ø400 mm 4,463 420 297 62 1,250 230 Details
LWBE3G400-102NS-15 LWBE3G400-102NS-15EC Ø400 mm 5,476 600 500 68 1,520 230 Details
LWBE3G400-102NS-16 LWBE3G400-102NS-16EC Ø400 mm 3,554 546 300 76 1,460 230 Details
LWBE3G450-102NS-19 LWBE3G450-102NS-19EC Ø450 mm 7,467.5 1,030 700 80 1,450 230 Details
LWBE3G450-102NS-21 LWBE3G450-102NS-21EC Ø450 mm 5,050 417 320 68 1,400 230 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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