Month: April 2026

longwell-lwfd3g160-092sm-04-00
By longwell / April 22, 2026 / Engineering Case Studies

Custom 158mm Housing for a 969 Pa Blower

Read how we modified a 24V DC centrifugal blower to hit a 158mm mounti...

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longwell-lwfd3g180-092sm-01-sp
By longwell / April 21, 2026 / Engineering Case Studies

Cabinet Cooling 24V DC Centrifugal Fan and PWM Controller

Review the engineering constraints, trade-offs, and costs of specifyin...

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longwell-lwpve-1220-project-im
By longwell / April 21, 2026 / Engineering Case Studies

Negative Pressure Exhaust Fan: 38,000 m3/h Specification

Review a real project where we specified a negative pressure exhaust f...

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longwell-lwea600s-project-imag
By longwell / April 21, 2026 / Engineering Case Studies

Custom 110V Fan Engineered for 6900 CFM and Extreme Heat

We engineered a custom 110V explosion proof axial fan for a US client....

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longwell-lwde-300-spec-sheet-0
By longwell / April 21, 2026 / Engineering Case Studies

High-Pressure Make-Up Air: 300mm EC Circular Duct Fan

Learn how an EC circular duct fan delivers 747 Pa in a tight 255 mm sp...

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longwell-wi-6975592248-project
By longwell / April 21, 2026 / Engineering Case Studies

Transformer Cooling Fan Replacement for 220V Dry-Type Units

See how we built a 220V transformer cooling fan to replace old GFDD420...

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longwell-lwce-90360sn-06-proje
By longwell / April 20, 2026 / Engineering Case Studies

Commercial Air Handler EC Cross Flow Fan 640 m³/h

Learn how we sized an EC cross flow fan to deliver 640 m3/h at 1500 RP...

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longwell-lwfe3g160-092ss-02-pr
By longwell / April 20, 2026 / Engineering Case Studies

Solving an EC centrifugal fan replacement with a 150W cap

Learn how we engineered an EC centrifugal fan replacement to match an ...

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longwell-wi-6974349832-project
By longwell / April 20, 2026 / Engineering Case Studies

Tube Axial Fan M6 Fastener Replacement Project

An HVAC OEM needed new fan motor mounting hardware to fix severe rust ...

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longwell-lwce-100820sn-06-proj
By longwell / April 18, 2026 / Engineering Case Studies

1735 m3/h Air Curtain Spec: EC Cross Flow Fan Engineering

See how we engineered an EC cross flow fan delivering 1735 m³/h at 229...

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