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Flexible waterproof casing
Flexible waterproof casing type B Type B flexible waterproof casing is often used in the pipeline through the railway, road, street, etc., in order to prevent the pipeline from being crushed by the load, and in the pipeline outside the protective casing, such as: large-caliber concrete pipeline, large-caliber steel pipe, etc., to avoid the external force (load) directly on the outside wall of the pipeline, resulting in damage to the pipeline and the measures taken. type B flexible waterproofing
Flexible waterproof casing
Rigid waterproof casing
Rigid waterproof casing (A type) Waterproof casing is also called through the wall casing, through the wall pipe. Flexible waterproof casing is generally applicable to pipeline through the wall where subject to vibration or have strict waterproof requirements of the building, casing part of the processing is completed, in its outer wall are brushed with primer once (primer including camphor or cold primer oil). Waterproof casing is divided into rigid waterproof casing and flexible waterproof
Rigid waterproof casing
Protective casing
Protective Confinement Casing Type F is a kind of architectural pre-embedded fittings mainly used for hardware piping. Protective confinement casing mainly consists of: steel casing 1, wing ring 1, retaining ring 1, fixing flange 2, and baffle plate 2. It is suitable for use with pipes through steel pipes. Casing external welding a wing ring, the left and right side of the two end ports each welded to a fixed flange, casing internal wing ring position through the pipe should be welded to the re
Protective casing
Dongli 1