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PPR Water Tube: Pressure Resistance & Technical Indicators

PPR Water Tube: Pressure Resistance & Technical Indicators


PPR water tube, known as Polypropylene Random Copolymer tube, have emerged as a popular choice in plumbing systems due to their exceptional properties. This article delves into the key aspects of PPR tube’ pressure resistance and technical indicators.

Pressure Resistance Capabilities

PPR tube exhibit remarkable pressure resistance, making them suitable for various applications. Their pressure rating is typically indicated by the PN (Nominal Pressure) value, with common ratings including PN1.0, PN1.6, PN2.0, and PN2.5, corresponding to 1.0MPa, 1.6MPa, 2.0MPa, and 2.5MPa respectively. Importantly, 1MPa equals approximately 10kgf/cm², thus a PN1.6 pipe can withstand roughly 16kgf/cm² of pressure.

Factors Influencing Pressure Resistance

The pressure resistance of PPR tube is influenced by multiple factors. Firstly, wall thickness plays a crucial role; thicker walls offer greater resistance. Secondly, the material’s composition and manufacturing process contribute significantly to its strength and durability. Lastly, operating temperature also affects pressure capacity, with higher temperatures reducing allowable working pressures.

Technical Indicators

PPR tube are governed by stringent technical standards, ensuring consistent quality. Key indicators include:

Heat Resistance

PPR tube can withstand temperatures ranging from -20°C to 95°C, ensuring reliable performance in various environments.

Corrosion Resistance

Their chemical stability ensures resistance to most acids and alkalis, making them suitable for various fluid transfers.

Smooth Inner Surface

Reduces fluid resistance, enhancing flow efficiency and minimizing pressure loss.

Connection Reliability

 PPR tube use hot-melt welding, creating seamless, leak-proof connections.

Installation & Maintenance

Proper installation and maintenance are vital for maintaining PPR tube’ pressure resistance. During installation, adhering to guidelines ensures secure connections and minimizes pressure losses. Regular inspections and timely repairs maintain system integrity and prevent potential leaks.


PPR tube find widespread use in water supply, hot water systems, heating networks, and industrial fluid transportation. Their versatility and reliability make them a preferred choice for modern plumbing systems.


PPR water tube offer exceptional pressure resistance, thanks to their robust material composition, manufacturing processes, and design considerations. By understanding their technical indicators and adhering to installation and maintenance guidelines, users can ensure safe, reliable, and efficient plumbing systems. As the industry continues to evolve, PPR tube will remain a cornerstone of modern plumbing infrastructure.


IFAN is a professional manufacturer with 30 years of experience, dedicated to producing high-quality plastic pipes, fittings, and valves. Our products include brass valves, PPR valves, as well as various pipes and fittings to meet different customer needs. Whether you need plumbing and drainage pipes or valve products, IFAN can provide a diverse range of high-quality, cost-effective products to support your projects. Below is our contact information.

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