Backward Curved Centrifugal Fans

Backward curved impellers give the best efficiency in the high static pressure region, suited to AHU, RTU, CRAH units and the clean side of dust collectors. The third-generation LWBE3G platform uses a bionic blade profile, covering impellers Ø190–710 mm and static pressures up to about 1,800 Pa. 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
LWBA2D225-092NT-03 LWBA2D225-092NT-03AC Ø225 mm 618 165 45 54 1,420 380 Details
LWBA2D225-092NT-07 LWBA2D225-092NT-07AC Ø225 mm 1,318 788 190 71.8 3,095 380 Details
LWBA2D225-092NT-08 LWBA2D225-092NT-08AC Ø225 mm 1,139 588 119 68.6 2,645 380 Details
LWBA2D225-092NT-11 LWBA2D225-092NT-11AC Ø225 mm 1,133 546 135 74 2,600 380 Details
LWBA2D225-092NT-12 LWBA2D225-092NT-12AC Ø225 mm 1,257 695 180 76 2,900 380 Details
LWBA2E225-092NS-01 LWBA2E225-092NS-01AC Ø225 mm 618 165 45 54 1,420 230 Details
LWBA2E225-092NS-06 LWBA2E225-092NS-06AC Ø225 mm 1,166 578 129 68.6 2,655 230 Details
LWBA2E225-092NS-09 LWBA2E225-092NS-09AC Ø225 mm 1,133 546 135 74 2,600 230 Details
LWBA2E225-092NS-10 LWBA2E225-092NS-10AC Ø225 mm 1,257 695 180 76 2,900 230 Details
LWBA2E225-092NS-13 LWBA2E225-092NS-13AC Ø225 mm 1,133 546 125 74 2,630 230 Details
LWBA2E225-092NU-05 LWBA2E225-092NU-05AC Ø225 mm 1,276 756 178 71.3 2,905 115 Details
LWBA4D225-092NT-04 LWBA4D225-092NT-04AC Ø225 mm 690 216 47 60 1,650 380 Details
LWBA4E225-092NS-02 LWBA4E225-092NS-02AC Ø225 mm 690 216 47 60 1,650 230 Details
LWBD3G225-092NH-05 LWBD3G225-092NH-05DC Ø225 mm 1,092 515 100 72 2,700 48 Details
LWBD3G225-092NH-06 LWBD3G225-092NH-06DC Ø225 mm 1,030 515 100 70 2,700 48 Details
LWBD3G225-092NM-04 LWBD3G225-092NM-04DC Ø225 mm 1,092 515 100 72 2,700 24 Details
LWBE3G225-072NS-07 LWBE3G225-072NS-07EC Ø225 mm 1,313.25 1,030 170 70 3,100 230 Details
LWBE3G225-072NS-10 LWBE3G225-072NS-10EC Ø225 mm 1,112 433 80 69 2,500 230 Details
LWBE3G225-072NS-11 LWBE3G225-072NS-11EC Ø225 mm 1,009.4 618 85 65 2,300 230 Details
LWBE3G225-072NS-13 LWBE3G225-072NS-13EC Ø225 mm 1,184.5 669.5 115 67 2,600 230 Details
LWBE3G225-072NU-14 LWBE3G225-072NU-14EC Ø225 mm 1,009.4 618 85 65 2,300 115 Details
LWBE3G225-072NU-15 LWBE3G225-072NU-15EC Ø225 mm 1,184.5 669.5 115 67 2,600 115 Details
LWBE3G225-072NU-16 LWBE3G225-072NU-16EC Ø225 mm 1,313.25 1,030 170 70 3,100 115 Details
LWBE3G225-092NS-10 LWBE3G225-092NS-10EC Ø225 mm 1,359.6 906.4 230 71 3,600 230 Details
LWBE3G225-092NS-11 LWBE3G225-092NS-11EC Ø225 mm 1,528 683 170 71 3,060 230 Details
LWBE3G225-092NS-12 LWBE3G225-092NS-12EC Ø225 mm 1,545 731 160 71 3,000 230 Details
LWBE3G225-092NS-13 LWBE3G225-092NS-13EC Ø225 mm 1,630 839 315 71 3,500 230 Details
LWBE3G225-092NU-17 LWBE3G225-092NU-17EC Ø225 mm 1,359.6 906.4 230 71 3,600 115 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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