1. This method is generally used for the installation of hot melt sockets with DN20-DN63mm specifications of HDPE double-wall corrugated pipe manufacturers. The specific process is as follows:

(1) According to the installation requirements, cut the pipe with pipe scissors;

(2) Mark the number on the depth of the pipe to be sheathed;

(3) Heat the die of the hot melt machine to about 20 degrees;

(4) At the same time, the heating pipe and pipe fittings, and then the socket (release the socket after it is in place, and do not rotate during heating, socket and cooling;

(5) Natural cooling;

(6) After the construction is completed, it can be put into operation after passing the pressure test and acceptance;

2. The specific workflow of hot melt butt installation:

(1) Place the two PE pipes to be installed and connected on the hot melt machine device at the same time (the device can be replaced by a clamp according to the pipe diameter to be installed), and each pipe at the other end is fixed on the same level with a pipe section.

(2) Milling the pipe section with an electric tool to ensure that the contact surfaces of the two pipes are consistent;

(3) Raise the temperature of the heating plate to 210 ° C, place it in the middle of the end faces of the two pipes, work the electro-hydraulic device, make the end faces of the two pipes contact, and heat the heating plate at the same time;

(4) Adjust the heating plate and work the hydraulic device again to connect the end faces of the two fusion pipes and lock the hydraulic device (to prevent backlash);

(5) release a certain cooling down to complete the work;

(6) After the construction is completed, the ground can be resumed for use after passing the pressure test and acceptance;

(7) During the heating process of the pipeline, windproof measures should be taken, and the cooling process should be carried out gradually, rather than rapid cooling.

3. Electrofusion joint:

(1) Put the PE pipe into the fused pipe fittings;

(2) Connect the two wires of the fusing machine to the positive and negative stages of the fused pipe fittings;

(3) Turn on the power supply, heat the heating wire, and melt the FE at the internal touchpoint;

(4) cooling has been completed;

(5) After the construction is completed and the pressure test is qualified, the pipe can be sealed and put into production. Guangxi double-wall corrugated pipe

4. Flange connection.

5. Steel-plastic connection.

6. The installation of saddle stoppers is particularly effective for solving the diversion of main pipes.