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KKV series

KKV series

The KKV backdraft damper is designed for automatic shutoff of the air duct during the fan standby and reverse back flow prevention when the ventilation system is off. Designed for mounting of VKV, VKH, VKV EC, VKH EC fan series.

Products in this series (4)

    • ККV 220-225

      ККV 220-225

      ККV 250-315

      ККV 250-315

      ККV 355-500

      ККV 355-500

      ККV 560

      ККV 560

    Application

    The KKV backdraft damper is designed for automatic shutoff of the air duct during the fan standby and reverse back flow prevention when the ventilation system is off. Designed for mounting of VKV, VKH, VKV EC, VKH EC fan series.

    Design

    The casing and the rotating blade is made of galvanized steel plate. The damper vane is opened under air flow pressure and is automatically closed at no air supply. The backdraft damper has gravitation operating mechanism.

    Mounting

    The damper is mounted into the ventilation system by means of fixing the end flanges to the mating flanges in the system. Fixation is effected with galvanized bolts and clamps. The connectors are suitable for installation into vertical exhaust air ducts only (no spring).

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