In the classification of waterproof casing, there are two kinds: flexible waterproof casing and rigid waterproof casing. The difference between rigid waterproof casing and flexible waterproof casing is that the installation position is different. The rigid waterproof casing is added to the outside of the steel tube. The ring is therefore more suitable for installation in the wall, mainly playing the role of waterproof inside the wall. The following Xiao Bian will introduce to you the rigid waterproof casing application and installation.
I. Rigid waterproof casing application
In the interior decoration, the rigid waterproof casing is used for many purposes. It is mainly used in buildings where pipelines are not affected by vibration and expansion of the pipeline, and where earthquake protection is required, the rigid drainage casing must enter the pool wall or A flexible connection is placed near the pipe on the external wall of the building.
In addition, when the rigid waterproof casing is selected and processed, it should meet the pipeline design conditions and installation requirements. If necessary, the rigid waterproof casing must be thick, axial thrust, etc. After the confirmation by the structural engineer. If the material and the outer diameter of the wall-pass pipe exceed the parameters of the design drawings, some measures shall be taken. Attention shall be paid to the necessary adjustment of the structural form, size and filler used in the crevice of the rigid waterproof pipe. Corrections and more. Take the GB S404 rigid waterproof casing as an example, its installation position should try to avoid falling seams, expansion joints or buildings that are two distances away.
Second, rigid waterproof casing installation
1. Be familiar with the drawings and analyze how to make and install the pre-embedded casing before machining the casing.
2. When the drain and drain sleeve is manufactured, care should be taken to ensure that the surface of the nozzle and the wall, beam, and column are flat after installation.
3. The steel casing must be fully welded around the sealing wing ring.
4. The slope of the pipeline should be uniform and there should be no inverted slope. The slope of the pipeline at the exit of the roof should be increased appropriately.
5, check all pipe fittings for cracks, with or without trachoma, the thickness of the pipe wall is uniform.
6. Before use, the pipeline should be observed for appearance, irrigation and flushing of the outer wall to check for cracks and blisters.
7. Check if all sockets are in place, firm and dense.
8. Pipeline installation shall be provided according to the construction acceptance standards.
9. Determine the length of the casing according to the plan of the building, the structural pipe plan and the elevation of the building. According to the water supply and drainage plan and large sample map, and reference standard atlas to produce.
10. When making the waterproof casing, the thickness of the wing ring and casing should meet the requirements of the specification. Both sides of the wing ring of the waterproof casing should be fully welded on both sides, and the weld seam should be full, smooth, smooth, no slag, no air bubbles, no Cracks and other phenomena. After the welding is completed, the welding slag should be cleaned and the anti-rust paint should be applied more than twice. During the installation, the two ends of the casing should be reinforced and fixed by three or more sides of the casing and must not be skewed.
Rigid waterproofing sleeves are troublesome to use and require careful and careful attention to various details. If the rigid waterproofing sleeves are irregular or inadequate in processing and installation, the rigid waterproof sleeves will be entirely skewed. The construction of the pipeline or the laying of the cable will have an adverse effect, and it will also have no corresponding effect on its own waterproofing. There are various matters needing attention, such as the obliqueness of the nozzle face of each rigid waterproof pipe, the presence of trachoma in the weld, and the non-cleaning of the weld spatter.
The above is a brief introduction for Xiaobian. If you want to know more related information, please continue to pay attention to Qijia Consulting. More exciting consultation, please stay tuned.
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