Month: August 2026

longwell-wi-7073135475-project
By longwell / August 13, 2026 / Engineering Case Studies

Engineering 3 Sizes of Industrial Floor Fans

We designed three new industrial floor fans. Read how we balanced size...

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LONGWELL centrifugal fan
By longwell / August 11, 2026 / Technical Articles

Centrifugal HVAC Fans: Complete Ordering Guide

Centrifugal fans are widely used in AHUs, ventilation equipment, and H...

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longwell centrifugal blower
By longwell / August 11, 2026 / Engineering Case Studies

LWDD7-5-C-EC-002 Centrifugal Blower for Air Filtration Systems

A 220V variable-speed EC centrifugal blower pushing 1980 m³/h at 317 P...

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AC vs EC fan variants of a cross-flow platform built for one order
By longwell / August 10, 2026 / Engineering Case Studies

We Proposed All-EC. The Customer Was Right to Refuse.

Consolidating on one motor platform would have simplified our producti...

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Axial blower stator with a copper motor winding, specified explicitly
By longwell / August 10, 2026 / Engineering Case Studies

Why the Customer Wrote “100% Pure Copper” on the Order

Nobody specifies what they trust to be there. When a procurement team ...

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A 450mm axial fan sized for low fan power consumption at 3,899 m3/h
By longwell / August 10, 2026 / Engineering Case Studies

A 138 Watt Ceiling Designed This Whole Fan

The airflow figure looks like the hard requirement. The power cap is w...

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LONGWELL RLM series commercial centrifugal plug fan
By longwell / August 10, 2026 / Engineering Case Studies

RLM series Commercial Centrifugal Plug Fans for HVAC OEM

Delivering 700 Pa static pressure and up to 9000 m³/h airflow, these c...

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External rotor motor driving an 80mm EC cross-flow impeller
By longwell / August 10, 2026 / Engineering Case Studies

The Motor That Wears Its Rotor on the Outside

The whole assembly had 120 millimetres to live in, electronics include...

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Inline duct fan supplied with a fused mains plug already terminated
By longwell / August 8, 2026 / Engineering Case Studies

The Fan Shipped With Its Plug Already On

It sounds like a packaging detail. For an integrator installing hundre...

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air circulator vs industrial fan
By longwell / August 7, 2026 / Technical Articles

Air Movement Solutions: From Air Circulators to Industrial Fans

Air movement is essential in an HVAC system to circulate air and regul...

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