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The inner wall of 50PE pipe and PE farm irrigation pipe is smooth, the friction coefficient is extremely low, the passing capacity of the medium is correspondingly improved, and it has excellent wear resistance.
50PE pipe, PE farm irrigation pipe
PE pipes and fittings are produced using imported PE100 or PE80 as raw materials. The specifications, dimensions and performance meet the requirements of the GB / T 13663.2-2005 standard, and the hygienic performance meets the GB / T17219 standard and relevant health and safety assessment regulations of the Ministry of Health. Healthy water supply pipe has the characteristics of good flexibility, strong corrosion resistance, light weight, and excellent impact resistance. Pipes and pipe fittings can be connected by hot-melt sockets, hot-melt butt joints, and electric fusion, so that the pipes and pipe fittings are fused into one, the system is safe and reliable, the construction cost is low, and it has developed rapidly in engineering applications. Vigorous promotion of PE pipes is in line with the guidelines of the Ministry of Construction and the Economic and Trade Commission for the development of chemical building materials and the development needs of people's living standards.
PE pipe main features:
1. Long service life. Under normal conditions, Zui has a life span of up to 50 years.
2. Good hygiene. PE pipe is non-toxic, does not contain heavy metal additives, does not scale, does not breed bacteria, and solves the problem of secondary pollution of drinking water. It complies with the requirements of GB / T 17219 safety evaluation standards and the relevant health safety evaluation regulations of the Ministry of Health.
3. Resistant to corrosion by various chemical media; no electrochemical corrosion.
4. The inner wall is smooth, the friction coefficient is extremely low, the passing capacity of the medium is correspondingly improved, and it has excellent wear resistance.
5. Good flexibility, high impact strength, strong shock resistance and distortion.
6. Light weight, convenient transportation and installation.
7. The unique electric fusion connection, thermal fusion butt connection and thermal fusion socket connection technology make the interface stronger than the pipe body, ensuring the security and reliability of the interface.
8. The welding process is simple, the construction is convenient, and the comprehensive engineering cost is low.
9. PE environmentally-friendly healthy water supply pipes DN20 to DN90 are blue, DN110 and above are blue or black with blue lines, other colors must be customized, and the colors of the accessories correspond to the pipes.
Application range of PE pipe:
Municipal water supply system, building water supply system, residential community, factory buried water supply system, industrial and water treatment pipeline system, etc.
1. The main pipeline connection methods are:
①When DN≤63, use hot-melt socket connection or electric fusion connection;
② When DN≥75, it is better to use hot-melt butt or electric fuse connection;
③ The connection with metal pipes and pipeline accessories can adopt flange connection or transition pipe connection.
2. Hot-melt socket connection:
When connecting using this method, a hot melt welding machine is used. The specific steps are as follows:
① Check the surface quality of the pipe, the joints are clean and undamaged, the flat surface of the fracture surface is smooth without burrs.
② Measure the depth of the socket and make a mark on the surface of the pipe.
③ Use a special knife to treat the surface of the pipe connection part to ensure that the surrounding area is a new surface layer. The mouth should be chamfered. The groove should be 30 °, and the length of the surface groove should not be greater than 2.0mm.
④ Wipe dry surface of pipe socket surface to clean the surface.
⑤ Insert the pipes and fittings into the heater without rotation at the same time to heat the connection part.
⑥ Heat to a predetermined time, pull out the pipes and fittings, quickly and smoothly push the pipes into the socket of the pipe, and form a flange ring around the socket.
下一步 The next operation can be performed after the pipes and fittings exceed the specified cooling time.
3. Hot melt butt
When connecting using this method, a hot-melt butt welder is used. The specific steps are as follows:
① Have the necessary tools ready.
② Place the pipe to be connected on the clamp of the welding machine and clamp it. Clean the end of the pipe to be connected and mill the connection surface. Straighten the two butt pieces so that the displacement is not more than 10% of the wall thickness.
③ Put on the hot plate.
④ After heating, take out the heating plate, quickly combine the two heating surfaces, increase the pressure to the welding pressure and keep it cool.
⑤The hot melt is completed.
The characteristics of the fused socket connection are convenient and fast connection, and small interference from external factors. It is economical to use in small diameter pipelines and difficult construction situations. The connection diagram is as follows:
① Clean the dirt on the pipe to be connected, and mark the depth of insertion.
② Scrape off its epidermis.
③ Put the fused pipe fitting on the pipe, and align the pipe on the same axis.
④ Welding with electricity, a little melt should be ejected in the hole to be observed.
⑤ Cooling and electrofusion are completed.
Note: When connecting, the selection of voltage and heating time during power-on heating should be in accordance with the regulations of the manufacturer of the fused connection equipment. Do not move or apply any external force on the connection while the fused connection is cooling.
5. Transition connection
At the interface connection with metal pipes and pipeline accessories (such as valves, water meters, etc.), transitional fittings such as screw threads or flanges are used for connection.
50PE pipe, PE farm irrigation pipe
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