◆材质：镀锌钢板、不锈钢

◆规格尺寸：Ø配合风管尺寸

◆特性：

1.可直接安装在圆形风管上，与风管相连接，用于控制风速，调节室内风量之用，其双叶结构不但可减少叶片打开时的空间长度，还具有减小气流阻力，调节方面等特点，适合于直径400-650的圆形风阀。

2.该风阀常规采用镀锌钢板制成，表面无需喷涂。调节方式可选手动、电动、气动。

◆Material: galvanized steel, stainless steel

◆Size: Ø with duct size

◆Characteristic:

1. It can be directly installed on the circular duct, connected with the air duct, used to control the wind speed and adjust the indoor air volume. The double-leaf structure can not only reduce the space length when the blade is opened, but also reduce the airflow resistance. Features such as adjustment, suitable for circular dampers with a diameter of 400-650.

2. The damper is conventionally made of galvanized steel and the surface does not need to be sprayed.The adjustment mode can be manual, electric or pneumatic.