JE-GL-BD: Gravity Backdraft Louver

Self-closing gravity louver for radiator discharge and exhaust openings. Opens on airflow, closes when the fan stops — no power needed.

Operation	Gravity self-swing blades, no actuator
Material	Aluminum or stainless steel
Sizes	Made to opening
Finish	Mill, anodized or painted

Options

Counterweighted blades
Bird screen

TODO: replace with the final PDF datasheet (dimensions drawing, performance data, wiring, certifications as verified). Certification documents available on request. Contact: sales@jackenergycloud.com · [Phone]