PE ground source heat pump pipe

1. Hot-melt socket installation. This method is generally used for DN20-DN110mm specifications. The specific operation process is as follows:

(1) Use pipe shears to cut the pipe according to installation needs;

(2) Mark the depth of the pipe to be installed;

(3) Heat the hot melter to 210℃

(4) Heat the pipes and fittings at the same time, then insert the sockets (wait for a moment after the sockets are in place and let go. Do not move during the heating, socketing and cooling process)

(5) Cool naturally:

(6) After the construction is completed, the pipe can be sealed and put into use only after passing the pressure test.

2. Hot-melt butt installation, DN160-DN1200mm specifications generally use this method, the following operations:

(1) Place the two PE pipes to be connected on the hot melt fixture at the same time (the clamp can be replaced according to the diameter of the pipe to be installed), and lift the other end of each pipe to the same water surface with a pipe bracket;

(2) Use an electric milling cutter to cut the end faces of the pipes flat to ensure that the contact surfaces of the two pipes can fully match

(3) Raise the electric heating plate to 210 degrees, place it in the middle of the two pipe ends, and operate the electric hydraulic device to make the two pipe ends completely contact and heat with the electric heating plate at the same time;

(4) Remove the heating plate and operate the hydraulic device again to make the two melted pipe ends fully butt and lock the hydraulic device (to prevent rebound);

(5) Keep it for a certain cooling time and release it, and the operation is completed;

(6) After the construction is completed, it must pass the pressure test acceptance before it can be buried and put into use; (Note: The pressure test must be a liquid pressure test!)

(7) Take windproof measures during the heating process of the pipe, and during the cooling process, the pipe should be cooled gradually instead of rapidly.

3. Electric fusion connection (applicable pipe diameter dn≤630mm):

(1) Insert the PE pipe completely into the electric fusion pipe fitting;

(2) Connect the two wires of the special electric fusion machine to the positive and negative poles of the electric fusion pipe fitting respectively;

(3) Turn on the power to heat the heating wire to melt the PE at the internal contact;

(4) After cooling:

(5) After the construction is completed, it must pass the pressure test acceptance before the pipe can be sealed and put into use.

4. Flange connection

5. Pot-plastic connection

6. Saddle-shaped docking installation, which is particularly effective in solving the problem of main pipe diversion