Four keys to the correct use of rigid waterproof casing
Before construction, pipe fittings and valves need to be tested, the pressure level should not be less than 1.5 times the working pressure of the pipe, pipe and accessories to be inspected before the pipe, including textual evidence and physical inspection.
Pipe diameter in 25mm and below can be cold simmer method, waterproof casing coupling, the use of adhesive coupling tight and robust.
In the transport, loading and unloading and stacking process to stop throwing or violent bumping. The laying of the pipe should be in the inspection slot qualified before proceeding, before laying the pipeline to pipe, fittings, etc., a new appearance inspection, found to have problems with the pipe are not allowed to use.
When the water-proof casing surface for corrosive media, can be used to seal the gap blocking material casing through the wall if the non-concrete wall, should be partially replaced with concrete walls, the pouring plan should be larger than the diameter of the wing ring 200, and it is necessary to pour the casing once solid in the wall.
