Renovation Mobile Toilet Pipe

When renovating mobile toilet pipes, it is necessary to comprehensively consider factors such as the reasons for relocation, pipe selection, the inclination of flat pipes, relocation distance, toilet selection, and installation sealing to ensure smooth drainage and avoid future problems.

1. Clarify the reasons for relocation
   In bathroom renovations, issues such as separating wet and dry areas, the toilet being too close to the wall, expanding the shower room, or the toilet facing the door may require adjusting the position of the toilet's drainage outlet. Before relocation, it is necessary to evaluate the rationality of the spatial layout to avoid inconvenience or wasted space due to relocation.

2. Prioritize standard round pipes
   Pipes should preferably use 110mm standard round pipes, which have low drainage resistance and are less prone to clogging. If the use of 110mm flat pipes is necessary due to height limitations for tile installation, note that their overall thickness is only 60-70mm, requiring ground grooving to reduce the tile installation height. Although flat pipes save space, their drainage performance is inferior to that of round pipes, so construction standards must be strictly controlled.

3. Precisely control the inclination of flat pipes
   According to the GB50242-2002 standard, the slope of 110mm flat pipes should be 0.6%-1.2%, meaning the height difference between the two ends of each meter of pipe should reach 12mm. A slope that is too small will result in poor drainage, while a slope that is too large may affect the flatness of the floor. During construction, a level should be used to measure and ensure accurate slope.

4. Minimize relocation distance and the number of bends
   The relocation distance should be as short as possible, as a longer distance will reduce water flow speed and increase the risk of sediment buildup. Each additional 90° bend increases water flow resistance equivalent to extending the straight pipe by 1.5 meters, so straight relocation should be prioritized whenever possible. For short-distance relocations (within 1 meter), a finished relocation device can be used, while relocations exceeding 20cm require on-site cutting of flat pipes and slope adjustment.

5. Choose pressure-boosting flushing toilets
   For relocations or double-trap house layouts, avoid using ordinary siphon toilets. These toilets rely on negative pressure in the pipes for drainage, and encountering a double trap can create air resistance, resulting in weak flushing and odor backflow. Opt for pressure-boosting flushing toilets, which use high-pressure water flow to directly flush waste, reducing the risk of clogging.

6. Strictly seal joints and prevent odors
   During installation, use specialized odor-proof fittings to ensure tight sealing of joints and prevent leakage and odor return. Poor sealing can lead to odor diffusion, mosquito breeding, and even damage to the ceiling below, so it is essential to carefully inspect pipe connections and floor drain positions.