Steel rigid waterproof sleeve and flexible waterproof sleeve
Waterproof sleeve is a protective casing set outside the pipeline to prevent the pipeline from being crushed under load when the pipeline passes through the wall, floor and other structures. It is mainly used in drainage systems, electric power facilities, communication equipment, petrochemical equipment and other occasions that need to prevent liquid leakage. Can be divided into rigid waterproof sleeve and flexible waterproof sleeve

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Flexible waterproof sleeve


Nominal diameter: DN15~DN3400


Flexible waterproof casing is suitable for areas with earthquake fortification requirements, and the structures (construction) where the pipeline passes through the wall to withstand vibration and pipeline expansion and deformation, or have strict waterproof requirements.



Rigid waterproof sleeve/rigid waterproof wing ring


Nominal diameter: DN15~DN3400


The rigid waterproof sleeve is suitable for the structure (construction) that does not bear the vibration and expansion deformation of the pipe through the wall.

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