EC Backward-Curved Centrifugal Fan – Engineered Range, with Bracket – page 2 preview

EC Backward-Curved Centrifugal Fan – Engineered Range, with Bracket – page 31 preview

EC Backward-Curved Centrifugal Fan – Engineered Range, with Bracket – page 53 preview

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EC Backward-Curved Centrifugal Fan – Engineered Range, with Bracket 2026 catalogue (PDF)

Backward-curved wheels reach high efficiency with a non-overloading power curve; widely used in AHUs, data-centre cooling, clean rooms and heat-recovery units. EC versions use an electronically commutated motor with built-in speed control for lower energy use. This LONGWELL 2026 catalogue runs to 75 pages and lists 156 model numbers.

Pages: 75
File: PDF · 43.6 MB
Edition: 2026
Language: English
Model numbers: 156
Single-size PDFs: 15
Motor type: EC

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What’s inside

Noise data
Typical applications
Also available as 15 single-size PDFs (Ø133–630 mm)

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Each file contains the pages for one impeller / frame size — smaller and faster on mobile.

Ø133 mm1 pages · 1.6 MB Ø155 mm1 pages · 1.6 MB Ø175 mm1 pages · 1.7 MB Ø190 mm1 pages · 1.7 MB Ø220 mm2 pages · 2.2 MB Ø225 mm4 pages · 3.5 MB Ø250 mm8 pages · 5.3 MB Ø280 mm8 pages · 5.6 MB Ø310 mm7 pages · 5.2 MB Ø355 mm9 pages · 6.7 MB Ø400 mm6 pages · 4.9 MB Ø450 mm7 pages · 5.4 MB Ø500 mm5 pages · 4.4 MB Ø560 mm5 pages · 4.7 MB Ø630 mm4 pages · 4.6 MB

Model numbers in this catalogue (156)

Click a model number to find its datasheet, drawing and curve.

LWBE-133 LWBE-155 LWBE-175 LWBE-190 LWBE-220 LWBE-225 LWBE-250 LWBE-280 LWBE-310 LWBE-355 LWBE-400 LWBE-450 LWBE-500 LWBE-560 LWBE-630 LWBE3G133-072NS-06 LWBE3G133-072PS-03 LWBE3G133-072PS-06 LWBE3G155-072NS-02 LWBE3G155-072PS-01 LWBE3G175-072NS-10 LWBE3G175-072PS-10 LWBE3G190-072NS-16 LWBE3G190-072PS-12 LWBE3G220-072NS-11 LWBE3G220-072PS-10 LWBE3G220-092NS-10 LWBE3G220-092PS-11 LWBE3G225-072NS-10 LWBE3G225-072PS-11 LWBE3G225-092NS-11 LWBE3G225-092NS-12 LWBE3G225-092NS-13 LWBE3G225-092PS-07 LWBE3G225-092PS-12 LWBE3G225-092PS-13 LWBE3G250-072NS-21 LWBE3G250-072NS-29 LWBE3G250-072PS-15 LWBE3G250-072PS-17 LWBE3G250-092NS-12 LWBE3G250-092NS-22 LWBE3G250-092NS-23 LWBE3G250-092PS-16 LWBE3G250-092PS-20 LWBE3G250-092PS-21 LWBE3G250-102NS-24 LWBE3G250-102NS-25 LWBE3G250-102NS-26 LWBE3G250-102PS-22 LWBE3G250-102PS-23 LWBE3G250-102PS-24 LWBE3G280-092NS-12 LWBE3G280-092NS-13 LWBE3G280-092NS-17 LWBE3G280-092PS-13 LWBE3G280-092PS-14 LWBE3G280-092PS-15 LWBE3G280-102NS-14 LWBE3G280-102NS-15 LWBE3G280-102NS-19 LWBE3G280-102PS-16 LWBE3G280-102PS-18 LWBE3G280-102PS-19 LWBE3G280-138NT-03 LWBE3G280-138NT-18 LWBE3G280-138PT-05 LWBE3G280-138PT-06 LWBE3G310-092NS-17 LWBE3G310-092PS-11 LWBE3G310-092PS-12 LWBE3G310-102NS-16 LWBE3G310-102NS-18 LWBE3G310-102NS-19 LWBE3G310-102PS-02 LWBE3G310-102PS-15 LWBE3G310-102PS-16 LWBE3G310-138NT-05 LWBE3G310-138NT-25 LWBE3G310-138PT-04 LWBE3G310-138PT-10 LWBE3G310-92NS-20 LWBE3G310-92PS-11 LWBE3G355-092NS-19 LWBE3G355-092PS-15 LWBE3G355-102NS-15 LWBE3G355-102NS-20 LWBE3G355-102NS-21 LWBE3G355-102PS-16 LWBE3G355-102PS-17 LWBE3G355-102PS-18 LWBE3G355-138NT-12 LWBE3G355-138NT-17 LWBE3G355-138NT-27 LWBE3G355-138PT-05 LWBE3G355-138PT-12 LWBE3G355-138PT-20 LWBE3G355-188NT-26 LWBE3G355-188NT-29 LWBE3G355-188PT-11 LWBE3G355-188PT-26 LWBE3G400-102NS-02 LWBE3G400-102NS-14 LWBE3G400-102NS-15 LWBE3G400-102NS-16 LWBE3G400-102PS-01 LWBE3G400-102PS-09 LWBE3G400-102PS-10 LWBE3G400-102PS-11 LWBE3G400-138NT-12 LWBE3G400-138PT-04 LWBE3G400-188NT-17 LWBE3G400-188PT-07 LWBE3G450-138NT-08 LWBE3G450-138NT-11 LWBE3G450-138NT-12 LWBE3G450-138NT-14 LWBE3G450-138PT-04 LWBE3G450-138PT-12 LWBE3G450-138PT-13 LWBE3G450-188NT-14 LWBE3G450-188NT-15 LWBE3G450-188NT-16 LWBE3G450-188NT-17 LWBE3G450-188PT-07 LWBE3G450-188PT-08 LWBE3G450-188PT-09 LWBE3G450-188PT-16 LWBE3G500-138NT-13 LWBE3G500-138PT-08 LWBE3G500-188NT-08 LWBE3G500-188NT-09 LWBE3G500-188NT-10 LWBE3G500-188NT-14 LWBE3G500-188PT-02 LWBE3G500-188PT-04 LWBE3G500-188PT-05 LWBE3G500-188PT-07 LWBE3G560-188NT-01 LWBE3G560-188NT-09 LWBE3G560-188NT-10 LWBE3G560-188NT-14 LWBE3G560-188PT-01 LWBE3G560-188PT-02 LWBE3G560-188PT-03 LWBE3G560-188PT-08 LWBE3G560-218NT-13 LWBE3G560-218PT-06 LWBE3G630-188NT-06 LWBE3G630-188NT-07 LWBE3G630-188NT-09 LWBE3G630-188NT-10 LWBE3G630-188PT-01 LWBE3G630-188PT-02 LWBE3G630-188PT-04 LWBE3G630-188PT-05

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EC Backward-Curved Centrifugal Fan – Engineered Range, with Bracket 2026 catalogue (PDF)

What’s inside

Download a single size

Model numbers in this catalogue (156)

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