◆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，根据风管内风压自动开启或关闭叶片，要求管道中风速不小于8米/秒时使用，也可防止风机停转后气流倒流。

2.该风阀采用镀锌钢板制成，表面无需涂装。

3.调节机构为重锤式，可以调节阀门的开启压力，调节后可在任意位置锁定。

4.该阀门有水平安装和垂直安装两种形式。

◆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, and automatically open or close the blade according to the wind pressure inside the duct. It is required to use the wind speed of the pipeline not less than 8 m/s, and also prevent the airflow after the fan stops. Backflow.

2. The damper is made of galvanized steel and the surface does not need to be painted.

3. The adjustment mechanism is a heavy hammer type, which can adjust the opening pressure of the valve, and can be locked at any position after adjustment.

4. The valve is available in both horizontal and vertical installations.