The adjustable dampers are also called the air volume control valve, which are used to seal the pipeline and adjust or distribute the air volume. The operation mode is manual. The dampers of this standard CB/T 3726-1995 is suitable for various types of ship ventilation systems, but not for thermally insulated spiral ducts.

Classification:

Divided into circular and rectangular by shape.

According to sealing requirements, it is divided into ordinary type and sealed type.

According to the position installed in the pipeline, it is divided into middle part type and output end type.

Air dampers other than this standard, such as electric type and louver type, can also be provided. Welcome to consult.