Two types of dampers are commonly used on registers - single-blade dampers and opposed blade dampers. The opposed-blade generally provides more uniform air flow.

Dampers that incorporate a fusible link need an operational test to be performed after installation (NFPA 80, Section 19.3). This ensures the damper is installed properly and there are no ...

The blade closes off tightly against the gasket for minimal leakage. Features include a single-blade damper, adjustable damper position range stops, and male (crimped) and female (uncrimped) ends to ...

Single-blade dampers feature a single adjustable blade that efficiently controls airflow and pressure, often used in applications with space constraints. In contrast, multi-blade dampers consist of ...

Single blade dampers consist of a single, pivoting blade that efficiently regulates airflow in circular ducts, offering a compact and cost-effective solution. In contrast, multi-blade dampers feature ...