DN200 waterproof casing flexible waterproof casing rigid waterproof casing

The waterproof casing is made of carbon steel and flexible rubber rings, which are welded together by welding rods. At the same time, the quality of the product is mainly determined by the raw materials used. The wall on which the product is installed The overall structure must be a wall built with a steel frame. The product is welded into the frame in the early stage. Its length must match the thickness of the wall. The top gland and flange of the flexible casing, including the bottom flange, must be exposed on the wall. In addition, that is to say, the length of the product during production must be from the bottom of the top flange to the top of the bottom flange, which is the standard length of the product. The construction of the project requires first arranging the products at each preset point, and finally pouring the concrete uniformly. It should be noted here that the distribution of the products must be carefully analyzed to determine the distribution position, because once the concrete is poured, it is quite troublesome to make temporary changes. of.
The structure of the concrete wall is divided into exterior walls and interior walls, including roof walls. There are requirements for the type of casing when passing through internal and external walls. Normally, only exterior walls have rigid waterproof casings, while interior walls use flexible waterproof casings. The flexible casing will be selected according to the waterproofing requirements of the structure, whether it is in the form of molded or molded sealing. After the product is embedded in the wall, it usually needs to be at least several decades based on the service life of the structure. Steel products cannot avoid oxidation and rust, which has a direct impact on the life of the product, so the anti-corrosion index is also very high. Crucially, Gongyi Yucheng Water Supply Equipment Co., Ltd. has always attached great importance to the anti-corrosion of steel products. In the anti-corrosion process of the product, a zinc-rich primer and a topcoat are applied, especially sandblasting and rust removal are used inside.