How to Connect Pipes for Mobile Toilets

When connecting pipes for mobile toilets, it is essential to precisely plan the drainage slope (2%-5%) and use PVC-specific adhesive to ensure airtight joints. The detailed steps are as follows:

1. Preparation
   Determine the drainage path based on the bathroom layout. Prepare PVC drainage pipes of the appropriate diameter, pipe fittings (elbows, tees, straight connectors, etc.), PVC-specific adhesive, a measuring tape, a handsaw or pipe cutter, a pencil, sandpaper, or a scraper. Ensure the pipes have a drainage slope of 2%-5% during planning to prevent water accumulation or backflow.

2. Measuring and Cutting Pipes
   Use a measuring tape to determine the required pipe length. Mark the cutting position with a pencil and cut along the mark using a handsaw or pipe cutter, ensuring a flat cut. After cutting, use sandpaper or a scraper to smooth the inner and outer burrs of the pipe ends to prevent poor joint sealing.

3. Connecting Pipe Fittings
   Apply PVC-specific adhesive evenly on the outside of the pipe spigot and the inside of the fitting socket. Quickly insert the pipe into the fitting and rotate it approximately 90 degrees to distribute the adhesive evenly. Maintain pressure for about ten seconds until the adhesive begins to cure before releasing, ensuring a firm and leak-proof joint.

4. Installing and Securing the Main Pipe
   Position the pipe along the planned path on the floor or wall. Drill holes and install pipe clamps or expansion bolts. Place the assembled main drainage pipe into the clamps and secure it. Recheck and adjust the slope to ensure it meets the 2%-5% requirement. Insufficient slope can lead to poor drainage, while excessive slope may affect pipe stability.

5. Connecting Branch Pipes
   Based on the positions of the toilet, sink, and floor drain, use tees and other fittings to open holes in the main pipe and connect branch pipes. Apply adhesive and tighten all connections to ensure the entire system is airtight. The slope of the branch pipes should be consistent with that of the main pipe.

6. Connecting Sanitary Fixtures

   • Toilet: Connect to the drain outlet using a flange ring (wax seal or rubber), ensuring the flange ring is aligned with the pipe and not flipped.
   • Sink and Floor Drain: Connect to the branch pipes using hoses or PVC pipes. Use rubber gaskets and pipe clamps at the connections to prevent leaks.
   • If relocating the toilet: Use a new toilet relocator, insert the lower connector into the bathroom's sewage pipe, backfill with cement slurry, and connect the upper connector to the toilet's sewage outlet. Clean the connections before applying PVC-specific adhesive. When installing the seal ring, prevent flipping and apply lubricant to assist installation, avoiding debris from entering the pipes. Fill and seal any empty spaces after relocation with cement or waterproof material.

7. Inspection and Testing
   After installation, visually inspect all joints for integrity and check for pipe deformation. Conduct a water flow test to observe whether the drainage is smooth and whether there are any leaks at the joints. If any issues are found, make timely adjustments or reseal as necessary.