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Август 6, 2023NRD61V – horizontal mounted vertical flow back draft damper
Категории: Airflow management, Control dampers, Overflow units
Метка: Heavy
Описание
NRD61-V damper is horizontal mount exhaust backdraft damper. Ideal for use in roof curbs, duct work, or wall collars when using a fan or power roof ventilator. Recommended for horizontal mount exhaust applications but it is also available for vertical mount.
Design
- Frame & blades made from galvanized steel.
- Frame and blades manufactured from mill finish aluminum. (optionally)
- Round spindles Ø 12 mm linked together by means of GI linkages.
- Gasket is provided on blade tips for low leakage. (optionally)
- Casing air leakage according to EN1752, class C
- The frame has 20-25-30-35 mm wide flanges options.
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