1. PEX pipe (crosslinked polyethylene pipe) :

PEX pipe is a kind of pipe widely used in floor heating system. It is made from a polyethylene high density (HDPE) base material, which is crosslinked to give it higher heat and pressure resistance. PEX tube has good chemical corrosion resistance and aging resistance, not easily affected by water quality. It has good softness and flexural properties and is easy to install and wire. PEX tube has high heat resistance temperature and can withstand high heating temperature.

2, PPR tube (polypropylene tube) :

PPR pipe is a thermoplastic pipe commonly used in heating and water supply systems. It is made of polypropylene random copolymer and has excellent heat, pressure and corrosion resistance. PPR tube has high strength and rigidity, not easy to deform or crack. It is connected in a variety of ways, including hot melt welding, electric fusion welding and mechanical connection, to ensure that the connection is firm and good sealing. PPR tube is suitable for medium and low temperature floor heating system, can withstand high working pressure and temperature.

  1. PE-RT tube (cross-linked polyethylene nested silicone rubber tube) :

PE-RT pipe is a kind of pipe made of polyethylene by chemical crosslinking treatment. It has good high temperature resistance, pressure resistance and corrosion resistance. The surface of PE-RT tube is smooth, not easy to scale, will not affect the heat conduction efficiency. Its flexibility is good, can bend without breaking, convenient installation and wiring. PE-RT tubes are widely used in floor heating and water supply systems and can withstand high temperature and high pressure conditions.

4, PVC pipe (PVC pipe) :

PVC pipe is a common plastic pipe, widely used in construction engineering water supply, drainage and ventilation system. However, PVC pipe is less used in floor heating systems. Its temperature and pressure resistance is relatively low, not suitable for high temperature floor heating system. PVC pipe has good chemical resistance and corrosion resistance, easy to install and maintain.

It is important to note that the selection of floor heating pipe should consider the following factors:

  1. Temperature requirements: Different floor heating systems have different requirements for temperature. Some systems need to withstand higher temperatures, while others only need to operate in the medium-low temperature range. When selecting floor heating pipe, ensure that the selected material can withstand the working temperature of the system safely.

2, pressure performance: the pipeline in the heating system will usually bear a certain pressure, especially in the system cooling and heating process. The selection of floor heating pipes with sufficient pressure resistance can ensure the reliable operation and safety of the system.

  1. Corrosion resistance: the pipes in the ground heating system will come into contact with water or other heating media, which may contain chemical substances or oxidants. Therefore, it is very important to select corrosion-resistant pipes to ensure that the pipes will be used for a long time without damage.

4, flexibility and easy installation: floor heating pipe should have enough flexibility and bending, so as to facilitate installation and wiring. Some pipes have better bending properties and can adapt to various room layouts and bending requirements.

  1. Cost effectiveness: different floor heating pipes will vary in price. The selection of suitable pipes should consider the performance requirements and budget constraints.

To sum up, the selection of floor heating pipes should consider the temperature requirements, pressure resistance, corrosion resistance, flexibility, easy installation and cost effectiveness. In the specific selection, it is recommended to consult a professional floor heating engineer or supplier, according to the system requirements and actual situation, choose the most suitable floor heating pipe. They will be able to provide more accurate advice and guidance to ensure the safety and performance of the underfloor heating system.

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