Waterproof casing type and its structure

Waterproof casing, also known as pre-buried casing, water stop casing, steel casing, through the wall casing, through the wall pipe, etc., important for the pipeline through the wall at the wall pre-buried, so the product is and civil repair all moving. Waterproof casing is divided into two categories of rigid and flexible, it is generally based on the construction of scientific research institute to develop and arrange the S312, 02S404 scale atlas created. Flexible waterproof casing is commonly used in buildings where the pipeline passes through the wall and is subject to oscillation or has a thoughtful waterproofing requirements; just waterproof casing is commonly used in buildings where the pipeline passes through the wall and requires universal waterproofing; flexible and just waterproof casing through the wall, if the wall is not concrete, it should be replaced with concrete walls, and the casing is condensed in the wall at one time; waterproof casing is used in construction, chemical industry, steel, water, muddy water disposal, etc. Waterproof casing is used in construction, chemical industry, iron and steel, water supply, muddy water disposal and other units.