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1. Appearance.
Rigid waterproof sleeve is composed of rigid casing and wing ring, the structure is simple.
Flexible waterproof sleeve is as long as the flange casing, sealing ring, flange, pressure plate, wing ring, bolt, nut composition, complex structure
2. Model.
Rigid waterproof sleeve is divided into; A type, B type, C type. A type is mainly applicable to steel pipes, B,C type is applicable to cast steel pipes and ductile iron pipes.
Flexible waterproof sleeve is divided into: Type A, Type B. Type A is used in the interior wall of the building, Type B for the exterior wall of the building
3. use: rigid waterproof sleeve used in the wall of the building does not need to withstand piping, vibration and expansion deformation, and the general use of wall thickness is 200mm.
Flexible waterproof sleeve is mainly used in the earthquake requirements, bearing pipeline vibration and expansion deformation, there are tight waterproofing requirements of the building wall, and the general use of the wall is 300mm.