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Zhuji Sikailiwei Import And Export Co., Ltd.
Sikailiwei Import And Export Co., Ltd. is professional China PPR Pipe Fittings manufacturers and custom PPR Pipe Fittings suppliers. Our factory was located in the town of Zhuji city shop, and traffic is convenient. Enterprises from home and abroad with the introduction of international advanced PP-R pipe, PP-R pipe, antibacterial, glass fiber reinforced PP-R pipe, PE pipe,l pipe production line, the company implemented IS09001:2000 quality management system certification and IS014001environmentl system certification. Company to "focus on the cause of human health, to create a harmonious exquisite life" as its mission. Henke Pipeline is a design, manufacturing, sales, and installation in one of the pipe manufacturers. Create pipe industry famous brand, in Europe and the United States, absorb advanced technology and experience, research and development of high pure OEM PPR Pipe Fittings .
The company has domestic and foreign advanced production equipment, production of full compliance with the twenty-first Century real green environmental protection pipe, and products widely used in tap water, solar, gas and heating, and mining industry, there are many varieties, all specifications, beautiful appearance, excellent performance, excellent quality characteristics.


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Industry knowledge about PPR Pipe Fittings

What is the composition of PPR pipe fittings

PPR  pipe fittings are made from a type of thermoplastic polymer known as polypropylene. The composition of PPR typically includes the following components:
Polypropylene (PP): Polypropylene is the main component and provides the structural properties of the material. It is a thermoplastic polymer that is known for its excellent chemical resistance, durability, and heat resistance.
Random Copolymer Structure: PPR is a random copolymer, meaning it is composed of both isotactic and atactic polypropylene. The random arrangement of the polymer chains enhances the material's flexibility and impact resistance.
Additives: Various additives may be included in the PPR formulation to enhance specific properties. These additives can include stabilizers to improve resistance to heat and UV radiation, antioxidants to prevent degradation, and processing aids to facilitate manufacturing.
Colorants: PPR pipe fittings can be manufactured in different colors. Colorants are added to the polymer to achieve the desired color for identification or aesthetic purposes.

What temperature and pressure conditions can PPR pipe fittings withstand?

PPR pipe fittings are known for their high temperature and pressure resistance. The exact temperature and pressure conditions that PPR pipe fittings can withstand depend on the specific type and grade of PPR material used in their manufacturing, as well as the standards they adhere to. 
Temperature Resistance:
PPR pipe fittings are designed to withstand high-temperature applications. They can typically handle continuous operating temperatures of up to 200 degrees Fahrenheit (about 93 degrees Celsius).
The material's resistance to high temperatures makes PPR suitable for both hot and cold water distribution systems.
Pressure Resistance:
PPR pipe fittings are capable of handling high-pressure conditions commonly encountered in plumbing systems.
The pressure rating for PPR pipes and fittings is often expressed in terms of pressure classes or PN (Pressure Nominal) ratings. Common PN ratings for PPR pipes and fittings range from PN10 to PN25, with higher numbers indicating higher pressure capabilities.
Pressure and Temperature Relationship:
It's important to consider the relationship between pressure and temperature. In some cases, the pressure rating of PPR fittings may decrease at higher temperatures. Manufacturers typically provide charts or tables that specify the pressure-temperature relationship for their specific PPR products.
Standards and Certifications:
PPR pipe fittings should comply with industry standards and certifications that define their performance characteristics. For example, standards like ISO 15874 or DIN 8077/8078 provide guidelines for PPR pipes and fittings, including temperature and pressure ratings.