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Anonymous users2024-01-24The diameter of the sewer drain pipe is 5 to 6 cm, and the toilet S-bend pipe is generally 5 to 6 cm. The size of the sewage pipe is generally about 110 cm. 4 pipes are usually said to be 20 pipes, and 6 pipes are 25 pipes, which means that the outer diameter of 4 pipes is 20mm, and the outer diameter of 6 pipes is 25mm.
But the inner diameter is not certain, because the thickness of the tube is different, such as 20 pipes and so on, so that its inner diameter is.
There are generally several situations caused by leakage of water pipes in the bathroom: leaking sewer pipes, leaking iron pipes, and leaking water pipe joints. >>>More
This is no problem in Feng Shui, because you can't usually see it, and it won't have any taste, so it doesn't affect it.
Generally, PVC will be used a little more, depending on the size of your displacement. If it is large, it is better to use a double-walled spiral bellows.
There is no impact. Usually as long as it is a national standard PVC pipe, the thermal expansion and contraction generated by the internal will be within the tolerance range of the pipe fittings, which is completely worry-free, because indoors, the influence of the external environment on it produces almost no thermal expansion and contraction, so there is no need to worry at all. >>>More
It is recommended to choose the pipe of the curved water trap, which can play the role of water seal and avoid odor!