The difference between flexible waterproof casing and rigid waterproof casing

There are also many types of waterproof casing, which are divided into rigid waterproof casing, flexible waterproof casing, ordinary steel casing, stainless steel waterproof casing, etc. according to the different uses. The difference between flexible waterproof casing and rigid waterproof casing difference should be distinguished from the definition of rigid waterproof casing and flexible waterproof casing as follows. Rigid waterproof casing, also known as steel casing, is a steel pipe with wing ring, installed on the wall, mostly concrete pouring wall, used for general pipeline through the wall, conducive to wall waterproofing, applicable to cast iron pipe, also applicable to non-metallic pipe, but the relevant size should be corrected according to the thickness of the pipe wall. After the wing ring and steel casing are completed, the outer wall is primed. Casing size is the weight of steel casing and wing ring. Steel casing and wing ring are made of A3 material and welded with T42 welding rod. When the casing goes through the wall, non-concrete wall should be used and concrete range should be poured. type II casing should be 200mm larger than the diameter of the wing ring (D4) and the casing should be poured on the wall at one time. The filler in the casing should be compacted. Waterproof casing at the concrete wall thickness of not less than 200mm, otherwise one or both sides of the wall should be thickened, the diameter of the thickened part should be at least 200mm larger than the diameter of the wing ring (D4). rigid waterproof casing is mostly filled with linoleum and asbestos cement, filled and compacted.
 
Flexible waterproof casing is a kind of hardware fittings, suitable for pipeline through the wall vibration or waterproof requirements of strict structure. General production enterprises in accordance with the building science research institute development and design of S312, 02S404 standard atlas production. Flexible waterproof casing through the wall, non-concrete should be changed to concrete walls, casing in the wall at one time maintenance; flexible waterproof casing is widely used in construction, chemical industry, steel, water, sewage treatment and other units. Flexible casing is usually used in the construction of pools, which is the passage of pipes to the pool. However, it is difficult to seal the ordinary casing, which leads to leakage between the casing and the pipe and easy leakage between the casing and the pipe wall. Only waterproof casing can solve the problem of leakage between casing and wall, but sealing between casing and pipe cannot be solved. Flexible waterproof casing can solve both problems.
 
Casing can be divided into: Ordinary casing - 2-4cm thicker than the required pipe, fixed on the wall or plate, and the pipe passes through. Flexible casing, sealed with a flexible material between the casing and the pipe. Rigid casing- Sealed with rigid material between the casing and the pipe to achieve a tight seal. The environment in which the casing is used is to prevent liquid leaks or spills (e.g., sinks, septic tanks, basements, etc.). Overall, cracks and leaks do not occur due to expansion and contraction factors.
 
Rigidity differences between flexible and rigid waterproofing casing.
 
Flexible waterproofing casing is generally suitable for structures with vibration or strict waterproofing requirements; rigid waterproofing casing is generally suitable for structures requiring general waterproofing.
 
Flexible rigid waterproof casing through the wall, if not concrete, should be changed to a concrete wall, casing in the wall a one-time maintenance; waterproof casing is suitable for construction, chemical, steel, water, sewage treatment and other units.