The Holyoake BDE-100 is a medium duty back draft or non-return damper. Constructed from extruded aluminium and stainless steel components, a single blade seal and side seal, it is capable of handling high velocities of turbulent air and provides minimal leakage when closed against reverse flow.
Back Draft Damper – Medium Duty
- Medium duty robust blades.
- Aluminium and stainless steel construction.
- Vertical or horizontal mounting.
- Twin blade edge seals.
- Aluminium blade side seal.
- Linked blades to avoid flutter.
- Gravity operation.
- Tension springs and weights can be used to provide adjustable airflow resistance.
- High temperature blade seals (225°C) are available as an option.