Flexible Waterproof Casing Coupling (S312) - Metal, Variable Diameter, Coated | Flexible, Leak Prevention, Durable, Easy Install

Flexible Waterproof Casing Coupling is applicable for pipe through the wall of the vibration or structure requirement is tight waterproof, general manufacturing enterprise produce the waterproof casing according to the construction science research institute of design S312, 02 S404 standard atlases. In case the wall where the flexible metal waterproofing cannula needs to pass through is not concrete, it should be switched to concrete walls, and the casing must be a set in the wall; Flexible waterproof casing coupling is widely used in construction, chemical, steel, water, sewage treatment etc.

Generally, casing should be used when doing the pool, it is the channel pipeline leads to the pool. But ordinary casing is difficult to seal, thus there will be leakage between casing and pipeline, between the casing and the wall is easy to leak.Metal flexible water string only solves the leak between the casing and wall, also can solve between casing and tube seal.

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we can design and make the products according to your drawings and techincal requirements.The quality is better and the price is more reasonable than the similar products by another company making.