Author: longwell

longwell-lwbd3g310-092nh-02-pr
By longwell / May 6, 2026 / Engineering Case Studies

Battery System Cooling: Sourcing a 48V DC Centrifugal Fan

Learn how upgrading the impeller on a 48V DC centrifugal fan cuts acou...

Read More »
longwell-wi-6983620135-project
By longwell / May 6, 2026 / Engineering Case Studies

380V Industrial Blower: Upgrading a Unit to a 400W IP55 Limit

Read how our team built a custom 280mm centrifugal fan. It delivers 22...

Read More »
longwell-wi-6983541870-project
By longwell / May 6, 2026 / Engineering Case Studies

900 m3/h Cross Flow Fan Replacement for New Energy Systems

Read how we engineered a 900 m3/h cross flow fan replacement. See the ...

Read More »
longwell-wi-6983477239-project
By longwell / May 5, 2026 / Engineering Case Studies

Indoor AHU 550W Forward Curved Centrifugal Blower Specs

Review the forward curved centrifugal blower specifications for a 220V...

Read More »
longwell-wi-6983407863-project
By longwell / May 5, 2026 / Engineering Case Studies

615mm Air Curtain Rotors: Restricting Runout Under 0.7mm

See how we engineered a 615mm cross flow impeller to run at 1600 RPM w...

Read More »
longwell-lwfe3g146-072ds-14-00
By longwell / April 30, 2026 / Engineering Case Studies

Fixing Flange Distortion on a 220V Blower Housing

See why upgrading an EC forward centrifugal fan flange to 2.5 mm requi...

Read More »
longwell-wi-6981494893-project
By longwell / April 30, 2026 / Engineering Case Studies

Compact Electronics Cooling with a 5V DC blower fan

Read how our engineering team met aggressive airflow and acoustic targ...

Read More »
metal fan blades vs plastic fan blades
By longwell / April 30, 2026 / Technical Articles

Metal Fan Blades vs. Plastic Fan Blades: How to Choose for Industrial Cooling?

If you’re sourcing fans for industrial or commercial applications, one...

Read More »
longwell-lwca-60240sn-06-proje
By longwell / April 30, 2026 / Engineering Case Studies

Custom AC Cross Flow Fan for Tight Square Enclosures

Learn how we customized an AC cross flow fan with a square housing and...

Read More »
longwell-lwfe3g146-092ds-10-pr
By longwell / April 29, 2026 / Engineering Case Studies

1236 m3/h EC Centrifugal Fan for Tight HVAC Enclosures

An engineering review on specifying a 190W EC centrifugal fan for a re...

Read More »