According to different heating media, floor heating can be divided into plumbing and electric heating. Then the most important part of installing water and floor heating is pipe. The selection of pipes is good, and it has a great influence on the overall heating effect of floor heating. The so-called three-point installation, quality seven points, the quality of the pipe determines the best installation quality. Here we come to find out what the floor heating pipe is made of , and how to buy floor heating pipes. How to buy floor heating pipe 1. Look at the appearance: Look at the appearance of the floor heating pipe. The appearance of the floor pipe with good quality is relatively smooth without bumps, bubbles, obvious color differences and impurities, and the floor heating pipes all show the models, specifications and brands of floor heating pipes. The lettering on the warm floor pipe is relatively clear and does not easily fall off. 2, to see the feel: hand to feel whether the pipe has a trench, the quality of the pipe feels delicate, smooth, moderate hardness. In order to ensure the reliability of the pipeline system, the floor heating pipe generally should not have joints, which requires the use of the entire pipe, requiring the pipe to be sufficiently flexible and easy to construct. 3, look at the thickness: compare the flexibility of the pipe to the wall thickness and warmth, generally warm pipe wall thickness are marked as 2.0, some floor heating pipe is marked with a wall thickness of 2.0, but in fact the wall thickness can not reach, but the quality is good The wall thickness of the floor heating pipe can meet the requirements and be unified with the mark. When you look at the tubing alone, you can compare the two tubings to see which tubing is thicker. 4. Professional inspection: The inspection of the inspection department to the inspection department is the method adopted when the floor heating pipe is in doubt. Under normal circumstances, the floor heating pipes used by the floor heating company are qualified products, and there are test reports and warranty guarantees. Simple tube quality inspection methods can be performed with the naked eye and feel, but the performance index testing method can only be carried out in the laboratory. Four types of floor heating pipe PE-X pipe: PE-Xa pipe is a floor heating coil that the EU must use. The price is relatively high. The expansion connection is used during construction and the connection can be completed within a few seconds. Its characteristics are good low temperature toughness, high temperature resistance, good resistance to stress cracking, no thermoplastic properties, can not be connected and repaired by hot melt welding methods, can only use metal pipe fittings mechanical connection, long-term use is prone to leakage. Price: RMB 25/m for PE-Xa pipes, 20-30 yuan/m for imports, no additives for PE-Xc pipes, low raw material costs, and prices are generally around RMB 20/m. PE-RT tube: retains the advantages of the PEX tube, the tube can be connected by hot melt, reliable joints, leakage is not easy, good flexibility and low temperature resistance, and material prices are moderate, cost-effective, is currently used in warm The universal pipe. Price: 10 yuan / meter or so, is a more economical kind of pipe. PB tube: It has the characteristics of high pressure resistance, high temperature and low temperature performance, good impact resistance, easy to bend without rebound, and is the softest among several kinds of floor heating pipes. The highest price of raw materials is more than double that of other varieties, and it is currently used less frequently in China. Price: generally 120 yuan / m. Imports are about 30 to 60 yuan more expensive. PP-R tube: high temperature resistance, good mechanical properties and excellent connection performance, non-toxic, sanitary, is the ideal pipe for domestic hot water and radiator system, but due to its low temperature impact resistance, it is used in floor heating. There are fewer applications for tubes. Price: PP-R pipe is generally at 10 yuan / meter, but the price of accessories is much higher than the price of pipe. What is the material of floor heating pipe Although these four types of pipe have their own advantages, but for heating heating, the most suitable PE-RT pipe. It has superior toughness, stress crack resistance, low temperature impact resistance, outstanding long-term water pressure resistance and good heat-resistant creep performance. PE-RT floor heating pipe is currently the only type of plastic pipe that does not require cross-linking and can have long-term hydrostatic performance below 60 degrees. More importantly, the pipe can also be repaired by hot-melt connection of the pipe after external damage. There is no joint at the connection, which can greatly improve the connection quality and reduce the occurrence of quality accidents. In general, the service life of the PE-RT floor heating pipe Up to 50 years. Xiao Bian concludes : The above content is how to buy a floor heating pipe . Through the content of this article, everyone should understand the floor heating pipe. 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