螺旋叶片固定在中心轴上形成一个整体置于螺旋锁风阀体的中间并与螺旋锁风阀体焊牢。
The spiral vane is fixed on the central shaft, forming a whole body which is disposed at the middle of the spiral air locking valve body and is firmly welded with the spiral air locking valve body.
主要用于车体钣金、焊缝、厢体密封，车顶、机械、冷气机风槽接口等金属焊口的密封。
Suitable for sealing of vehicles sheet-mental, wielding lines and wielding joints of buses, Wielding joints of machine and so on…
焊连的外框和组装的风叶可选材质为喷漆、镀锌或不锈钢。
Fixed frame and blades of painted, galvanized or stainless steel.
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