Engineering Case Studies

Application requirements, product choices and engineering project stories from LONGWELL.

lwfa e 250 01 forward curved centrifugal fan
By longwell / June 23, 2026 / Engineering Case Studies

LWFA-E-250-01 Forward-Curved Centrifugal Fan for HVAC Air Handlers

An OEM required a 220V AC centrifugal fan for a commercial air conditi...

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oxygenation blower
By longwell / May 21, 2026 / Engineering Case Studies

LWHPF Aquaculture Oxygenation Blower Use Cases

An aquaculture OEM required a portfolio of oxygenation blowers up to 3...

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longwell fan engineering cases
By longwell / May 21, 2026 / Engineering Case Studies

LONGWELL Fans for 43,500 m³/h Agricultural & Commercial Ventilation

A system integrator required technical data for 18 different fan model...

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electronic cooling fan
By longwell / May 19, 2026 / Engineering Case Studies

LWAD8025 24V DC Axial Fan for Electronics Cooling

A 24V DC axial fan delivering 42.02 CFM for a compact electronics encl...

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industrial blower
By longwell / May 18, 2026 / Engineering Case Studies

ADH-K900 Heavy-Duty Belt-Drive Blower for 30 kW Industrial Retrofits

A 30 kW industrial ventilation retrofit required a heavy-duty blower a...

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dc cross flow for 3d printing
By longwell / May 15, 2026 / Engineering Case Studies

LWCD-30190MN-07 24V DC Cross-Flow Fan for 3D Printer

An OEM developing a 3D printer required a 24V DC cross-flow fan for hi...

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LWA-Ø385x115-5
By longwell / May 15, 2026 / Engineering Case Studies

LWA-385×115-5 Axial Fan Impeller for Commercial HVAC OEM

An HVAC OEM required a custom 385mm axial fan blade for a new condense...

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longwell LWAC-50610 cross flow fan
By longwell / May 14, 2026 / Engineering Case Studies

610mm Cross-Flow Fan Housing & Impeller for HVAC OEMs

An HVAC OEM required a 610mm motorless cross-flow fan sub-assembly. Se...

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longwell--project-image-05-jpg
By longwell / May 11, 2026 / Engineering Case Studies

The Regulation Chose the Motor Before We Did

We usually explain why EC beat AC on the merits. In this order, the la...

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air curtain
By longwell / May 11, 2026 / Engineering Case Studies

LWAC-BG4515S Industrial Air Curtain for 380V High Power Doors

See how Longwell addressed a request for a 380V industrial air curtain...

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