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Damper

Make sure you have good ventilation products! Ahlsell's ventilation range spans duct systems, devices, valves, indoor grills, hoses with accessories, roof hoods, exterior wall grills, ventilation accessories, filters, mounting materials, fans, aggregates, cooker hoods, controls, regulations, fire gas dampers, and flat strip plates.

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  • Measuring and Regulating Damper ARMS White RAL9003, a-collection
    Measuring and Regulating Damper ARMS White RAL9003, a-collection
    This damper of type IRIS is a precision device for controlling and adjusting air flow in circular ducts. Each damper is individually calibrated to provide the best measurement results. Airflow is obtained by measuring the pressure drop on the diffuser’s fixed measuring nipples and reading the corresponding airflow from the diagram.
    Thanks to the central throttling of airflow in the diffuser, the air stream in the duct is even, and the noise level very low.
    Can be opened 100%, so it is perfect for installation in ducts that require cleaning.
    Made of galvanised sheet steel and provided with adjustment scale and adapters. Conforms to density class C.
    White lacquered in RAL9003.
  • Backdraft Damper, a-collection
    Backdraft Damper, a-collection
    For connection to circular ducts. Made of galvanised steel plate. The two discs in the jaw damper are spring-loaded, which means that the damper can be mounted in the direction of your choice.
  • Measuring and Regulating Damper ARMS, a-collection
    Measuring and Regulating Damper ARMS, a-collection
    This damper of type IRIS is a precision device for controlling and adjusting air flow in circular ducts. Each damper is individually calibrated to provide the best measurement results. Airflow is obtained by measuring the pressure drop on the diffuser’s fixed measuring nipples and reading the corresponding airflow from the diagram.
    Thanks to the central throttling of airflow in the diffuser, the air stream in the duct is even, and the noise level very low.
    Can be opened 100%, so it is perfect for installation in ducts that require cleaning.
    Made of galvanised sheet steel and provided with adjustment scale and adapters. Conforms to density class C.
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