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Author: longwell

Engineering-HVAC-Fan-Efficiency--A-Tech
By longwell / April 2, 2026 / Technical Articles

Engineering HVAC Fan Efficiency: A Technical Guide to System Design and Selection

Engineering HVAC Fan Efficiency: A Technical Guide to System Design an...

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Backward-curved centrifugal fan with a metal impeller
By longwell / April 1, 2026 / Engineering Case Studies

115V AC Centrifugal Fan Customization with Round Capacitor Specs

LONGWELL engineering case for 115V AC backward curved centrifugal fans...

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Forward-curved centrifugal blower in a scroll housing
By longwell / April 1, 2026 / Engineering Case Studies

EC Forward Centrifugal Fan Specification for Model LWFE3G180-092DS-02-00

Technical specification document for LONGWELL LWFE3G180-092DS-02-00 EC...

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Illustration of a four-blade axial fan impeller with a central hub
By longwell / April 1, 2026 / Engineering Case Studies

1585mm Replacement Axial Impeller: Reference Dimensions and Part Definition

LONGWELL reviewed customer reference dimensions for a 1585 mm axial im...

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AC cross-flow fan assembly with a metal tangential impeller and end-mounted motor
By longwell / April 1, 2026 / Engineering Case Studies

Cross Flow Fan Design for Residential Split Air Conditioner Units

LONGWELL engineering evaluated cross flow fan requirements and prepare...

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Fan-Selection-for-HVAC-Systems--Advance
By longwell / April 1, 2026 / Technical Articles

Fan Selection for HVAC Systems: Advanced Engineering Guide & Technical Specifications

Fan Selection for HVAC Systems: Advanced Engineering Guide & Techn...

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In-depth-Analysis-of-Cross-Flow-Fan-Tec
By longwell / March 31, 2026 / Technical Articles

In-depth Analysis of Cross Flow Fan Technology: Why It Is the Ideal Cooling Solution for Dry-Type Transformers

In-depth Analysis of Cross Flow Fan Technology: Why It Is the Ideal Co...

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Illustration of a compact centrifugal blower with a circular housing and short rectangular outlet
By longwell / March 30, 2026 / Engineering Case Studies

Radial Exhaust Fan Specifications for LONGWELL LWEA Series

LONGWELL evaluated customer requirements for 6-inch and 8-inch radial ...

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Illustration of a compact centrifugal blower with a circular housing and short rectangular outlet
By longwell / March 30, 2026 / Engineering Case Studies

Specification Engineering for LWEA Radial Ceiling Pipeline Fans

LONGWELL engineering developed technical specifications and documentat...

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Axial fan with a circular wire guard and metal blades
By longwell / March 30, 2026 / Engineering Case Studies

LONGWELL LWIF-750(30″)S-02A Pedestal Mist Fan Specification

Technical specification overview for the LONGWELL LWIF-750(30")S-02A 3...

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