Precautions for installation of toilet downpipe wh

2022-07-22
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The toilet sewer is an indispensable accessory around the toilet, which brings us a lot of convenience in life. But many people don't know much about the toilet sewer. Today, Xiaobian will bring you the relevant knowledge of the toilet sewer to see the precautions and size of the toilet sewer installation

the toilet sewer is an indispensable accessory around the toilet, which brings us a lot of convenience in life. But many people don't know much about the toilet sewer. Today, Xiaobian will bring you the relevant knowledge of the toilet sewer to see the precautions and size of the toilet sewer installation

what is the size of the toilet downpipe

1 The size of the toilet downpipe is generally 300mm, 350mm, 400mm, 450mm, etc., which should be selected according to the outfall

2. The specification of the toilet downpipe is 75, 90 of the nominal outer diameter DN, don't go to the corresponding fraction. Generally speaking, the "fraction" and "inch" are corresponding to welded steel pipes. Because the threads processed on the pipes are inch threads during the processing of welded steel pipes, there is a "fraction" and "inch". PVC-U downpipes are bonded, so there is no such title as "fraction" and "inch"

3. If PVC-U pipe is connected with drainage cast iron pipe, the corresponding specification of drainage pipe is dn75. In the technical exchange, it is inappropriate and more directly wrong to call the PVC-U pipe with a nominal outer diameter of dn90mm 75. As a matter of fact, the drainage pipe connected with the toilet should be dn110mm, and it is inappropriate to use dn70mm and dn90mm. There is no rigid standard. Now the bathroom generally uses PVC pipes with an inner diameter of 110

precautions for the installation of toilet downpipe

when installing the toilet, it is necessary to measure the pit distance of the toilet. The pit distance refers to the distance from the core of the downcomer to the wall behind the water tank, and the error should not exceed 1 cm, otherwise the toilet cannot be installed. The pit distance of drainage means the distance between the core point of the ground drainage hole and the undecorated wall. For the rear drainage method, the ground distance (refers to the distance from the core point of the drainage hole to the finished ground) shall be measured. The distance between toilet pits is generally 300mm and 400mm, and now there are 350mm in the market. If you want to know the specific distance, you can know the specific data based on the longitudinal measurement from the side of the toilet against the wall to the core level of the sewer

precautions for the installation of toilet downpipe

the above is the precautions for the installation of toilet downpipe brought by Xiaobian. What is the size of toilet downpipe. We must pay attention to the size when choosing the toilet or the sewer pipe of the toilet, and we must measure the size accurately when installing. I hope the above introduction can help you. If you want to know other relevant information, please continue to pay attention to this website, and look forward to more wonderful

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