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Double Louver (Zero Leak) Damper: Also known as a double louver (zero leakage) damper, is a mechanical device used in heating, ventilation, and air handling (HVAC) systems to regulate, control, and distribute air flow through ducts or louvers.
Design includes many lá chớp (louver blades) Flexible rotation, helps control air flow in and out accurately and flexibly, simultaneously noise reduction, dust and rain protection (with outdoor louver).
| Parameter | Typical value |
|---|---|
| Frame/leaf material | Aluminum profile, galvanized iron, stainless steel |
| Leaf thickness | 0.8 mm – 1.2 mm (depending on type) |
| Adjustment angle | 0° – 90° |
| Control method | Handwheel, lever, electric motor, pneumatic |
| Connect | Flange, direct installation to duct or wall |
| Size | Customized upon request (usually from 300×300 to 2000×2000 mm) |
| Standard | AMCA, ISO 9001, clean room standard (depending on type) |
