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HC-RDA

Manual Volume Control Damper for HVAC Ducts
Model : HC-RDA

High‑Quality Construction: Made from premium metal with excellent waterproof and anti‑rust properties, ensuring long‑term reliability.

Manual Adjustability: The handle allows smooth adjustment to various angles for accurate airflow control.

Wide Compatibility: Ideal for ventilation systems, HVAC installations, and commercial air‑conditioning (e.g., restaurant central AC), helping improve energy efficiency.

Specification

Item Code

D(mm)

L(mm)

E(mm)

HC-RDA

100

110

30

HC-RDA

125

110

30

HC-RDA

150

110

30

HC-RDA

160

110

30

HC-RDA

200

110

30

HC-RDA

250

140

40

HC-RDA

315

140

40

The Manual Volume Damper is designed for precise control of room temperature, airflow direction, and volume in HVAC systems. Operated via a manual rotation handle, it helps regulate airflow while preventing backdraft. Built to be durable, weather‑resistant, and rust‑proof, this damper is suitable for both residential and industrial applications.

Easy Installation:
1.Confirm the damper matches your duct diameter.
2.Insert the damper between duct sections.
3.Secure with pipe clamps and sealing tape.

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