Flexible sealed waterproofing sleeve is generally suitable for structures with vibration or strict waterproofing requirements where the pipeline passes through the wall. It is used for pipelines needed for shock absorption. Flexible sealed waterproofing sleeve is mainly used in the areas of high requirements such as waterproofing walls, pools and so on. Deformation is allowed after installation. Flexible airtight sleeve description: 1. Flexible filling materials: asphalt bast fiber, polystyrene board, polyvinyl chloride foam board. 2. Sealing paste: polysulfide sealant, polychloride grease sealant. 3. The thickness of concrete wall should not be less than 300. Otherwise, one side of the wall should be thickened or both sides should be thickened. The diameter of the thickened part should be at least D5+200. 4. Steel pipe and on-duty welding are galvanized and then installed with casing. 5. Manual arc welding is used in the welding. The type of electrode is E4303. Cautions for use of flexible sealed waterproof sleeve: 1. Flexible sealed waterproofing sleeve is generally suitable for structures with vibration or strict waterproofing requirements where the pipeline passes through the wall. 2. The wall where the casing passes through the wall should be replaced by concrete wall when encountering the non-concrete wall. The total pouring range of concrete should be 200 mm larger than the diameter of the wing ring, and the casing must be fixed in the wall once. 3. DN dimension and wall thickness dimension in the table can be produced according to user's needs. When ordering, please specify diameter, pipe outer diameter and wall thickness. Rigid waterproof sleeve, also known as steel sleeve, is a kind of pre-embedded wall pipe used for wall, beams, columns, holes and other places of pipeline pre-embedded, the product is only used for concrete walls, non-concrete walls need to be replaced by concrete walls. Rigid waterproof sleeve structure is the external wing ring of steel pipe (steel plate ring sleeve on steel pipe), which is used for general pipeline to penetrate the wall and is beneficial to the waterproof of the wall. The function of installing this product is to facilitate the construction of later pipeline, bring great convenience to the installation of pipeline, and it is an indispensable new product in the installation of pipeline. Rigid sealed casing description: 1. The thickness of concrete wall should not be less than 200. Otherwise, one side of the wall should be thickened or both sides should be thickened. The diameter of the thickened part should be at least D4 + 200. 2. Steel pipe and gear are welded by galvanizing, and then installed with casing. After all construction and installation, baffle and fixed flange are welded. 3. Manual arc welding is used for welding. Electrode type E4303. Over the past few years, our Gongyi Hongsheng Pipeline Equipment Co., Ltd. has continuously developed new products, improved product quality, done a lot of research and experiments, put forward a new product structure, greatly improved the performance of the products, and won the praise of the vast number of users. If special specifications of products are needed, they can be designed and manufactured according to user's requirements. And sincerely hope that new and old customers, design units recommend the use of our company's products.