Views: 0 Author: Site Editor Publish Time: 2023-06-20 Origin: Site
PPR stands for Polypropylene Random. It is a type of plastic material used in various applications, most commonly in plumbing and piping systems. It uses random copolymerization technology, guaranteeing the strength and high temperature resistance of polypropylene, thus makes PPR the main force of water supply pipe materials. PPR pipes and fittings are known for their durability, versatility, and ease of installation. PPR is derived from polypropylene, which is a thermoplastic polymer. It is produced by the polymerization of propylene monomers. It's commonly known as three-type polypropylene. PPR pipes are manufactured by extruding the polypropylene material into the desired shape and size.
PPR pipes have gained popularity in piping systems due to their numerous advantages. Some key features of PPR pipes include:
PPR pipes are highly resistant to chemical corrosion and can withstand high temperatures and pressures, making them suitable
for both hot and cold water supply systems.
PPR pipes are relatively flexible and can be easily bent or curved to accommodate the layout of the plumbing system. This flexibility allows
for easy installation, especially in complex or challenging areas.
PPR pipes have excellent thermal resistance and can handle high-temperature applications. They can withstand continuous operating temperatures of up to 70-95 degrees Celsius (158-203 degrees Fahrenheit), depending on the specific grade and manufacturer.
PPR pipes have good sound insulation properties, reducing noise generated by water flow. This makes them particularly beneficial in residential or commercial buildings where noise reduction is desired.
PPR pipes have a long lifespan and are resistant to scaling and corrosion, resulting in less maintenance and replacement costs over time.
PPR pipes are non-toxic and do not release harmful substances into the water supply, ensuring safe and clean drinking water.
It's worth noting that PPR pipes are typically joined using a heat fusion welding method, where the pipes are heated and fused together, creating a seamless and leak-proof connection. This method of installation contributes to the overall reliability and longevity of the PPR plumbing system.
PPR has become a popular choice for plumbing applications in many regions due to its excellent performance characteristics and ease of installation. However, local building codes and regulations may vary, so it's important to consult with professionals and adhere to specific guidelines when using PPR pipes in construction or plumbing projects.
1. Q: Why are the colors of PPR pipes different?
A: The PPR granules supplied by manufacturers come in different colors, such as gray, but most companies buy transparent raw materials, and different colors are added with different color master batches.
2. Q: Is there an inevitable relationship between the color and quality of PPR water pipes?
A: No. However, there are more cases where white PPR fails to pass the light-proof inspection, while gray and green do not have these problems.
3. Q: PPR pipes are divided into cold water pipes and hot water pipes, how to distinguish?
A: The difference is that there are blue marking lines on the cold water pipes, and red lines on the hot water pipes. In addition, there are signs such as S5 S4 S3.2 S2.5 on the PPR pipe. Generally, S5 S4 is a cold water pipe with a thinner wall thickness, and S3.2 S2.5 is a hot water pipe with a thicker wall thickness.
4. Q: What is the connection technology of PPR water pipes?
A: The interface of the PPR pipe adopts hot-fusion technology, and the pipes are completely fused together, so once the installation pressure test passes, there will never be any water leakage, and the reliability is extremely high.
A. Please make sure that the welding machine has been heated to 260°C, the thermostatic lamp is turned off, and the welding tools are clean.
B. Use PPR scissors to cut the pipe along the axis perpendicular to the pipe.
C. Push the pipe and fittings towards the special welding tool, after you hear the sound and see the material pass through the small hole at the end of the ERA special welding machine, remove the pipe and fittings.
D. Take the pipes and fittings out of the welding machine, connect them immediately. Do not twist pipes and fittings while welding.
A. Compared with metal pipes, PP-R pipes have lower hardness and poorer rigidity. They should be protected during transportation and construction to avoid mechanical damage caused by inappropriate external forces. After concealed laying, the position of the pipe should be marked to avoid damage to the
pipe by secondary decoration.
B. PP-R pipes have certain low-temperature brittleness below 5°C. Be careful in winter construction, and use sharp scissors to cut slowly when cutting pipes. Do not press or knock the installed pipes. If necessary, cover and protect the parts that are vulnerable to external forces.
C. PP-R pipes are prone to aging and degradation due to long-term exposure to ultraviolet rays. When installed outdoors or under direct sunlight, they must be wrapped with a dark protective layer.
D. In addition to the mechanical connection methods such as brass threaded inserts or flanges used to connect PP-R pipes with metal pipes or water appliances, the rest should be connected by hot fusion to make the pipes integrated and have no leakage points.
E. The linear expansion coefficient of PP-R pipe is relatively large (0.15mm/m°C), and technical measures must be taken to prevent pipe expansion and deformation when laying pipes for surface installation or non-direct burial.
F. After the pipeline is installed, it must be tested before sealing the pipeline (directly buried) and covering the decorative layer (not directly buried). The test pressure of the cold water pipe is 1.5 times the working pressure of the system, but not less than 1.0MPa; the hot water pipe test pressure is twice the working pressure, but not less than 1.5MPa. The pressure test time and method are stipulated in the technical regulations.
G. When laying PP-R pipes in the open or non-directly buried and concealed laying pipes, the supports and hangers must be installed in accordance with the regulations.
PPR (Polypropylene Random) and CPVC (Chlorinated Polyvinyl Chloride) are both types of plastic materials used in plumbing and piping systems. While they share some similarities, there are notable differences between PPR and CPVC:
PPR is made from polypropylene, while CPVC is a variant of PVC (Polyvinyl Chloride) that has been chemically modified through chlorination.
PPR pipes can withstand higher temperatures than CPVC pipes. PPR pipes typically have a higher operating temperature range, up to 70-95 degrees Celsius (158-203 degrees Fahrenheit), while CPVC pipes have a maximum operating temperature of around 93 degrees Celsius (200 degrees Fahrenheit). As a result, PPR is often used in hot water supply systems, while CPVC is commonly used in both hot and cold water applications.
PPR pipes have excellent chemical resistance and are resistant to corrosion from various substances, including acids and alkaline solutions. CPVC pipes also exhibit good chemical resistance but may be affected by certain chemicals, such as strong acids or solvents. It is essential to consider the specific chemical environment when choosing between PPR and CPVC.
PPR pipes are more flexible than CPVC pipes. This flexibility makes PPR pipes easier to install, especially in situations where pipes need to be bent or curved. CPVC pipes are relatively rigid and require more careful planning for installation in complex or tight spaces.
PPR pipes are typically joined using heat fusion welding, where the pipes are heated and fused together, creating a seamless and leak-proof connection. CPVC pipes, on the other hand, are usually connected using solvent cement, which chemically bonds the pipes together. The installation process for PPR pipes may be faster and require less specialized equipment compared to CPVC pipes.
The cost of PPR and CPVC pipes may vary depending on the region and supplier. In some cases, CPVC pipes may be more affordable than PPR pipes, but it is essential to consider other factors such as installation method, longevity, and performance requirements when evaluating the overall cost-effectiveness.
It's worth noting that local building codes and regulations may dictate the acceptable use of PPR or CPVC pipes in specific applications. It is recommended to consult with professionals and adhere to the relevant guidelines to ensure compliance and safety in plumbing projects.
PPR (Polypropylene Random) and PPH (Polypropylene Homopolymer) are both types of polypropylene plastics used in various applications. While they are both derived from polypropylene, there are differences between PPR and PPH in terms of their molecular structure and properties:
PPR is a random copolymer of propylene, meaning it contains randomly distributed ethylene monomer units in its polymer chain. On the other hand, PPH is a homopolymer of propylene, which consists solely of propylene monomer units.
PPR pipes are more flexible than PPH pipes. The presence of ethylene units in PPR helps enhance its flexibility, making it easier to bend and install in plumbing systems. PPH, being a homopolymer, is relatively more rigid.
PPH has better impact resistance compared to PPR. The higher crystallinity and rigidity of PPH contribute to its improved resistance against impact and stress, making it suitable for applications that require higher mechanical strength.
Both PPR and PPH exhibit good chemical resistance. They are resistant to a wide range of chemicals, acids, and alkalis. However, PPH typically has slightly better chemical resistance due to its higher crystallinity and purity.
PPR generally has better thermal resistance compared to PPH. PPR pipes can withstand higher temperatures, typically up to 70-95 degrees Celsius (158-203 degrees Fahrenheit), depending on the specific grade and manufacturer. PPH pipes, while still suitable for many applications, may have lower maximum operating temperature limits.
PPR is commonly used in plumbing and piping systems for hot and cold water supply, as well as in industrial applications. Its flexibility, good chemical resistance, and thermal properties make it suitable for these applications. PPH, on the other hand, is often utilized in applications that require higher mechanical strength and impact resistance, such as chemical storage tanks, pipes for industrial processes, and automotive components.
It's important to note that the choice between PPR and PPH depends on the specific requirements of the application. Factors such as flexibility, impact resistance, chemical resistance, and temperature requirements should be considered when selecting the appropriate material. Consulting with professionals or suppliers experienced in polypropylene applications can help determine the most suitable choice for a particular project.
PPR (Polypropylene Random) and PVC (Polyvinyl Chloride) are both types of plastic materials commonly used in various applications, including plumbing and piping systems. While they are similar in some aspects, there are several key differences between PPR and PVC:
A. Composition:
PPR is made from a type of thermoplastic polymer called polypropylene, while PVC is made from polyvinyl chloride.
B. Flexibility:
PPR pipes are more flexible than PVC pipes. This flexibility makes PPR pipes easier to install, especially in complex plumbing systems or situations where pipes need to be bent or curved.
C. Chemical Resistance:
PPR pipes have excellent chemical resistance and are resistant to corrosion from various substances, including acids and alkaline solutions. PVC pipes are also chemically resistant but may be affected by certain chemicals like strong acids or solvents.
D. Thermal Resistance:
PPR pipes have a higher tolerance for high temperatures compared to PVC pipes. PPR pipes can handle hot water systems, while PVC pipes may soften or deform when exposed to high temperatures.
E. Noise Reduction:
PPR pipes have superior sound insulation properties compared to PVC pipes. They reduce the noise generated by water flow, making them suitable for residential or commercial applications where noise reduction is desired.
Installation:
PPR pipes typically use a heat fusion welding method, where the pipes are heated and joined together, creating a seamless connection. PVC pipes, on the other hand, are usually connected using solvent cement, which chemically bonds the pipes together.
F. Recyclability:
Both PPR and PVC can be recycled, but PVC recycling is more common and established due to its long history of use and extensive recycling infrastructure.
It's important to note that the choice between PPR and PVC pipes depends on specific requirements, such as the intended application, temperature range, chemical exposure, and local building codes and regulations. Consulting with a professional plumber or engineer is advisable to determine the most suitable material for a particular project.
ERA brand is a famous brand offering a lot of products including PPR pipes and fittings. In addition to above PPR advantages ERA PPR products offer several different advantages, making it a preferred choice for plumbing and piping systems. Here are some reasons why you want to choose ERA PPR:
A. Large Production Scale:
For PPR pipe production, totally ERA Co., Ltd. has 32 extrusion lines, and 16 automatic packing machines. The annual capacity could reach 28,000 tons. For PPR fittings production, totally we have 150 injection machines, covering fitting size from 16MM to 160MM. With our automation equipment , we could achieve 90% automatic production. Annual production capacity is more than 7500 tons, which allows us to finish orders from both domestic and foreign market in time.
B. High-Quality Material:
ERA PPR is made from high-quality polypropylene raw materials. It undergoes stringent quality control measures during the manufacturing process to ensure consistent performance and durability. Besides, ERA has its own copper factory and exclusively supply to ERA. Effective control is achieved in four aspects: production, technology, quality and production capacity, therefore guarantee product quality and delivery time from the origin.
C. Technology advantage:
After years of production and R&D experience, ERA has obtained the best production process technology. Before mass production, there's a trial production to be inspected by technology team, and the first piece of product to be inspected by QC team. After confirmation and approval of the two teams, the workshop production procedure will be locked and thus begin mass production. Any adjustment to this procedure needs to be authorized, workers have no access to it, and this helps ensure the stability of product quality.
D. Quality control advantages:
ERA's quality control process mainly includes the first piece inspection, process inspection, packing inspection and finished product inspection. Through strict inspection and monitoring from the trial production to the finished product, we ensure that the quality of the goods meets the DIN8077/DIN8078 standard and also meets customers' requirements.
E. Research & Development Advantage:
ERA research institute has CNAS accredited lab and IAPMO accredited lab. It was honored as the State-level enterprise research center. Totally it covers over 6,000m². It is equipped with over 300 sets of test equipment and over 250 researchers. The total investment of this research institute is about 20 million USD.
ERA research institute is the strong back up for ERA products, it provides with new products development, raw material inspection, products quality improvement, international certificate obtaining., etc.
F. Compliance and Certification:
ERA PPR products comply with international standards and undergo rigorous testing and certification processes. They meet or exceed industry standards for performance, quality, and safety. ERA PPR products have obtained two international certificates, Germany DVGW certificate and Russia GOST certificate. Germany DVGW certificate is known as the most difficult certificate to be obtained in the industry.
With these certificates, ERA products have successfully entered many foreign markets and have the access to local municipal projects. At the same time, with the advantages of these certificates, our customers could be in a favorable market position, and get better bargaining conditions, so as to achieve long-term development.
G. Established Brand: ERA brand is a well-established and trusted brand in the plumbing industry. It has a proven track record of delivering high-quality products and reliable customer support.
Ultimately, the choice of ERA PPR can provide confidence in the performance, longevity, and reliability of the plumbing system. However, it's always advisable to consult with professionals and adhere to local building codes and regulations when selecting and installing plumbing materials.
