November 26, 2025

Which PN Rating of PPR Pipe Should Be Chosen for Domestic Hot Water Lines?

For domestic hot water lines that run 50–70°C every day, the clear professional choice among high-quality polypropylene ppr pipes is PN25 — it gives you the safest pressure margin at high temperature, prevents long-term creep failure, and guarantees 50–100 years of leak-free service. While PN20 works in mild climates with water below 65°C, PN25 has […]

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Which PN Rating of PPR Pipe Should Be Chosen for Domestic Cold Water Lines?

Knowledge / By IFAN

For ordinary home cold water lines, the smartest and most widely used choice among the best ppr pipes is PN16 or PN20 — never PN25 unless you also run hot water in the same line. PN16 and PN20 give you more than enough pressure rating (16–20 bar at 20°C) while saving 15–30% compared to PN25,

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How Do I Choose the Right Size of PPR Pipe for My Needs?

Knowledge / By IFAN

Choosing the correct diameter of ppr water pipe saves you hundreds of dollars in materials, prevents low pressure complaints, and guarantees perfect flow for decades. This step-by-step guide shows you exactly how professionals size PPR systems using simple rules of thumb, fixture unit counts, and velocity limits. You will discover ready-to-use sizing tables for bathrooms,

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