Year1
- 拉伸：
- 300
- 内径：
- 25
- 外径：
- 30
>According to the production process, it is divided into steel ring support type and sewing type.
> According to the shape, it is divided into various shapes such as cylinder, tower, square, rectangle, oval, staircase, meniscus, semicircle and so on.
>According to the connection method, it can be divided into two-end collars (clamp type), two-end flanges (screw type), one-end flange, and one-end collar. Flanges can be divided into flanges and metal flanges.
>Steel ring support type
>Using a variety of fabrics, supported by steel rings, made of high-frequency heat-sealing sleeves, with a fixed outer diameter. It can work normally between high temperature and low temperature. It can effectively prevent dust, water, oil, emulsions and chemicals. It has a neat appearance and is not easily deformed. Based on its tightness and strength, it can be used for ventilation and dust removal of many machines. The required diameter and length can be determined according to the user's specific requirements.
>Sewing type
>There are a variety of materials depending on the working environment. First, make a disc, stamp it, and sew it. The two adjacent inner edges and the two outer edges are sewn together. , better shape stability and horizontal firmness can be achieved through sewing. According to the installation method, it can be divided into integral type, zipper type, sticky type, snap-button type, etc., which brings greater convenience to users' installation.
>Working Features
>The screw guard can expand or compress with the components, and can be used vertically or horizontally. In the horizontal position, use a plastic or aluminum support ring to maintain a certain uniform distance between the inner cavity of the guard and the screw rod to extend the service life. When the stretch length is large, a metal ring is added to each fold to improve the stability of the shield. Use a metal flange for the connecting or fixed end, or choose a ferrule type.
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