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PP-R Systems
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Technical articles and updates
Antibacterial PPR Pipe: What to Demand Before You Specify It
What ISO 22196 and JIS Z 2801 really measure, why lab coupon results do not predict a circulating riser, and the 8…
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PPR Pipe Support Spacing & Thermal Expansion for Hot Runs
PPR pipe support spacing by pipe size and wall temperature, the vertical 1.2 correction, and expansion-loop sizing worked from real manufacturer tables.
Read guide →PPR Pipe Pressure Test: Correct Pressure, Duration, Record
Test PP-R at 1.1x design pressure, not 1.5x its PN class. EN 806-4 procedures, why the gauge falls without a leak, and…
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PPR Pipe Flow Rate Chart: Size a Line Without Losing Pressure
PP-R flow rate chart from ISO 15874-2 Table 5 bores: pressure drop per metre and EN 806-3 velocity limits, for specifiers sizing…
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PPR Pipe Failures: Diagnosing Fusion Joints That Leak
Six PP-R fusion defects: how each looks on a cut section and when it surfaces, plus the DVS 2207-11 table and the…
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PPR Pipe Advantages and Disadvantages: The Limits, With Numbers
A distributor calls because a hotel job has started weeping at the fittings on the top two floors. The pipe is PP-R,…
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PPR Pipe Fittings Names: The Complete Reference with Sizes and Applications
Complete set of PPR pipe fittings arranged by type: couplers, elbows, tees, ball valve, brass-insert adapters and clips The first question a…
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How to Install PPR Pipe and Fittings: From Layout to Handover
Most crews that get called back to a PP-R job did not weld badly. They welded well, in the wrong place, on…
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How to Connect PPR Pipe to GI, Copper and Threaded Brass
The four real PPR-to-metal transition SKUs, BSP vs NPT thread limits, sealant rules and where the brass insert lets go. For contractors…
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PPR Pipe Price Guide: What Actually Drives the Quote
PPR pipe price lists rarely tell you what you are actually paying for. Two suppliers can quote the same de25 PN25 pipe…
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