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Steel Backdraft Damper
Steel Backdraft Damper description
Casing material: galvanized steel
Weight: 0.27kg
Applications
Backdraft spring-loaded damper designed for automatic shutoff of the round ducts and preventing back draft of air when ventilation system is switched off. Damper vanes are opened with the pressure generated by air stream and are closed by the spring.
Design
The damper housing is made of galvanized steel and the vanes are made of aluminium sheet. The damper has two spring-loaded vanes.
Modifications
KOMu – damper with a special microporous rubber sealer for noise absorption during the damper operation and airtightness.
Mounting
The damper design ensures its mounting on the round air ducts by means of clamps. Ensure the vertical position of vane rotation axis. When installing the damper in the ventilation system the air stream direction shall be considered.
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