Premium Quality PVC Pipes from China - Durable, Lightweight Solutions by Leading Suppliers and Factory
PP-R hot and cold water pipes and fittings are green building materials with hygienic and non-toxic properties, suitable for pure water and drinking water pipeline systems. They have excellent corrosion resistance and scale resistance, eliminating the troubles of pipeline blockage caused by scaling and yellow rust stains on basins and bathtubs. The thermal conductivity is only 1/200 of that of metal pipes, achieving excellent thermal insulation and energy-saving effects when used for hot water pipelines. With a specific gravity of only 1/7 of metal pipes, they are light in weight, easy to transport and construct. The inner and outer walls of the products are smooth, resulting in low fluid resistance, and they have soft color and beautiful shape for an aesthetic appearance. These pipes can be buried underground, and their positions can be detected by metal detectors for convenient maintenance. Adopting hot melt connection, no threading is needed, and a joint connection can be completed in a few seconds; the connection with metal pipes and water distributors uses high-quality copper inserts, ensuring safety and reliability. Under normal use, the pipeline system has a service life of more than 50 years.
Key Features
Hygienic & Non-Toxic
Suitable for pure water and drinking water pipeline systems, certified as safe green building materials.
Corrosion & Scale Resistance
Eliminates blockage caused by scaling and yellow rust stains on basins and bathtubs.
Superior Thermal Insulation
Thermal conductivity is only 1/200 of metal pipes — excellent energy-saving performance for hot water systems.
Light Weight
Specific gravity is only 1/7 of metal pipes, making it easy to transport, handle, and install on-site.
Hot Melt Connection
No threading required. A joint connection is completed in seconds using high-quality copper inserts.
Long Service Life
Reliable pipeline system with a guaranteed service life of more than 50 years under normal use.
✔ Detectable Underground: These pipes can be safely buried underground, and their positions can be precisely detected by metal detectors for convenient future maintenance and inspection.
Frequently Asked Questions
Q
Are PP-R pipes safe for drinking water systems?
Yes. PP-R pipes and fittings are made from hygienic, non-toxic materials that are fully approved for use in pure water and drinking water pipeline systems. They do not leach harmful substances and meet international green building material standards.
Q
How do PP-R pipes compare to metal pipes in terms of weight?
PP-R pipes have a specific gravity of only 1/7 that of metal pipes. This significantly reduces transportation costs and makes on-site installation much easier and faster, especially for large-scale plumbing projects.
Q
What is the thermal insulation performance of PP-R pipes?
The thermal conductivity of PP-R pipes is only 1/200 of that of traditional metal pipes. This outstanding insulation performance makes them ideal for hot water supply systems, reducing heat loss and improving energy efficiency.
Q
How are PP-R pipes connected during installation?
PP-R pipes use hot melt (heat fusion) connection technology. No threading is required, and a single joint can be completed in just a few seconds. Connections to metal pipes and water distributors are made using high-quality copper inserts, ensuring a safe and leak-free seal.
Q
Can PP-R pipes be buried underground?
Yes. PP-R pipes are suitable for underground installation. Even when buried, their positions can be accurately located using standard metal detectors (due to the copper inserts in the fittings), making future maintenance and repairs straightforward and convenient.
Q
What is the expected service life of PP-R pipe systems?
Under normal operating conditions, a properly installed PP-R pipeline system has a service life of more than 50 years. Their excellent corrosion resistance and scale resistance further contribute to long-term reliability with minimal maintenance required.





