100, 125, 160, 200, 250, 315, 400, 500 and 630mm / 3m spiral air duct SR
Galvanized spiral duct is a high-quality ventilation component designed for efficient air distribution in various systems. It is commonly used in residential, commercial, and industrial ventilation applications due to its durability, ease of installation, and excellent airflow characteristics.
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This product has multiple variants. The options may be chosen on the product page
400 mm end cap with rubber seal NAL, ETS NORD
400 mm round mechanical regulating damper KROS, ETS NORD
KROS 400 is a high-quality mechanical air flow control and shut-off valve for round ducts. KROS 400 round regulating damper are particularly useful for controlling airflow, adjusting ventilation systems, and closing air ducts during maintenance work. Constructed from corrosion-resistant galvanized steel, suitable for 400mm round ducts. Easy to install and adjust, allowing precise control of airflow volume.
400 mm round shut-off and regulating damper with sealing gasket and motor / handle platform KRTS-4
