◆材质：镀锌钢板、不锈钢

◆规格尺寸：Ø配合风管尺寸

◆特性：

1.该风阀专门为直径大于630mm的通风管道而设计。

2.阀门中间为方形，两端接口为圆形，圆接口带有角钢法兰，可直接与圆形风管上连接，用于控制风速，调节室内风量之用，其调节方便，灵巧，调节时可在任意位置锁定。

3.该风阀采用镀锌钢板制成，表面无需涂装。

◆Material: galvanized steel、stainless steel

◆Size: Ø with duct size

◆Characteristic:

1.The damper is specially designed for ventilation ducts with a diameter of more than 630mm.

2.The middle of the valve is square, the interface at both ends is round, the round interface has angle steel flange, which can be directly connected with the circular air duct for controlling the wind speed and adjusting the indoor air volume. The adjustment is convenient, smart and adjustable. It can be locked at any position. 3.The damper is made of galvanized steel and the surface does not need to be painted.