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Is it necessary to leave the wall when civil air defense airtight casing is embedded

Time: 05-08 󰃯 Reading times: 759 󰃳 Editor in charge: The sea 󰃗 Column: product focus

Introduction: The flexible waterproof casing produced by Shanghai Luoying pipeline equipment Co., Ltd. is generally applicable to the structures with vibration or strict waterproof requirements where the pipeline passes through the wall, so as to avoid the shock. The key application of flexible waterproof casing in civil air defense wall and pool is very high

Flexibility produced by Shanghai Luoying pipeline equipment Co., Ltd Waterproof casing It is generally applicable to structures with vibration or strict waterproof requirements where the pipeline passes through the wall, so as to avoid shock. Flexible waterproof casing Key used in civil air defense walls, pools and other areas with high requirements. Deformation is allowed after installation.
Description of flexible waterproof sleeve: 1. Dimensions in this drawing are in mm. 2. S312 type flexible waterproof casing is generally applicable to structures with vibration or strict waterproof requirements where the pipeline passes through the wall. 3. After a part of casing is processed, the surface of casing shall be painted with one coat of top coat (including or cold primer oil). The surface corrosion protection is decided by the design. 4. If the wall where the casing passes through the wall, it should be changed into a concrete wall if it meets a non concrete wall. The concrete pouring scope should be 200 mm larger than the wing ring diameter (D6), and the casing must be poured into the wall. 5. The thickness of the concrete wall at the place where the pipe passes through shall not be less than 300 mm, otherwise the wall shall be thickened on one side or both sides. The diameter * of the thickened part should be 200 mm larger than that of the wing ring (D6). 6. The material net weight of casing is calculated according to the wall thickness L value of 300 mm. If the wall thickness exceeds 300 mm, it should be measured again
Rigid waterproof casing Installation 1. Be familiar with the drawings and analyze how to make and install the embedded casing before processing the casing. 2. Pay attention to the water supply and drainage casing in the manufacturing, after installation, the branch pipe should be flush with the wall, beam and column. 3. The steel casing must be welded thoroughly with the periphery of the water stop wing ring. 4. The gradient of the pipeline should be even and there should be no reverse slope. The inclination of the pipeline at the entrance and exit of the flat roof should be increased as much as possible. 5. Check whether there are cracks, sand holes and uniform wall thickness. 6. Before the pipeline is applied, the appearance, water injection and surface water flushing should be inspected to see if there are cracks and sand holes one by one. 7. Check whether all sockets are timely, firm and dense. 8. Supports and hangers shall be set up for pipeline construction according to construction acceptance specifications. 9. According to the building plan, structural pipe surface and its building elevation, the length of casing is determined. Then according to the water supply and drainage plane design drawing and detail drawing, and refer to the standard atlas to make. 10. When making waterproof casing, the thickness of wing ring and casing should meet the requirements. Both sides of wing ring of waterproof casing should be welded thoroughly on both sides, and the welding should be smooth, smooth, smooth, without weld bead, bubble and crack. After welding, the welding wear shall be cleaned up, and then the anticorrosive paint shall be applied twice or more. During installation, the two sides of the casing shall be clamped and fixed firmly with more than three reinforcement bars, and shall not be inclined.