Forward Curved Centrifugal Fans

Forward curved (multi-vane) impellers move more air at the same outer diameter in a compact envelope, ideal for space-constrained equipment integration; available single inlet with housing, dual inlet and free-running. Final selection is confirmed at the duty point (airflow / static pressure / voltage / control mode) and by project verification.

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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
LWFA4D280-188NT-01 LWFA4D280-188NT-01AC Ø280 mm 3,502 463.5 1,700 77 1,360 380 Details
LWFA4E280-188NS-02 LWFA4E280-188NS-02AC Ø280 mm 2,284 391.4 1,600 77 1,360 220 Details
LWFA6D280-138NT-03 LWFA6D280-138NT-03AC Ø280 mm 2,318 247.2 450 65 900 380 Details
LWFA6E280-138NS-04 LWFA6E280-138NS-04AC Ø280 mm 2,318 247.2 450 65 900 220 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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