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Autor: Justin

IS 15801 vs ISO 15874: BIS Rules for PPR Pipe Imports

Row of green PP-R pipe samples sealed with metal end caps and connected to a hydrostatic test manifold in a laboratory water bath

An Indian distributor opens a quotation for PP-R pipe from a Chinese plant. The folder holds ISO 15874 and DIN 8077 test reports, an ISO 9001 certificate and a German lab report. The purchase manager asks one question before he signs: does any of that satisfy BIS, and will the container clear without an ISI […]

PPR Pipe Fire Rating: Euroclass, B2 and GCC Codes

Green PP-R pressure pipe entering a concrete wall through a metal sleeve plate in a building services riser

A PP-R submittal comes back with one line circled: fire rating. The importer who quoted the job must now answer a question the pipe standard never asked and the certificate folder does not contain. The short version is this. Polypropylene burns. Under EN 13501-1:2018 a pipe carries a reaction-to-fire class only where a specific product […]

PPR Pipe and Chlorinated Water: What ISO 15874 Omits

Green PP-R pipes on a plant-room wall beside a chemical dosing skid with a white dosing tank and metering pump

A PP-R pipe carrying the ISO 15874 mark has never been tested against a disinfectant. Not free chlorine, not chloramine, not chlorine dioxide: the type-test schedule in ISO 15874-2:2013 is reversion, thermal stability, impact and melt flow rate, and every one of those runs in plain water or air. The absence is a scope boundary, […]

PPR Pipe Temperature Range: What 3 Lab Reports Measured

Three capped green PP-R pipe test specimens lying in a steaming stainless steel hot-water test bath

The PPR pipe temperature range is set by the application class the pipe is sold for, not by the pipe. Under ISO 10508:2006 Table 1, class 2 hot-water pipe is designed for 70 °C for 49 years, may run at 80 °C for one year in total and may see 95 °C for 100 hours […]

PPR Pipe Installation Method Statement: Clause Template

Blank PP-R installation method statement pages in a document sleeve on a site-office desk, beside an approval stamp, a vernier caliper and three green PP-R pipe offcuts

The package comes back with one line against it. “Method statement not specific to the proposed system. Resubmit.” Nine sections, the right sequence of work, the right PPE list, returned inside a day. The reviewer wanted a number he could check, and the jointing clause said “fuse as per manufacturer’s recommendation”. A PP-R installation method […]

PPR Pipe Brands: How to Tell a Real One From a Relabel

PPR pipe brand check: three green PP-R pipes printed Ifan PPR PN20 Dn32x4.4mm on a bed of green resin granules

A quotation lands on your desk naming one of the PPR pipe brands you keep seeing on “top 10” lists, and you have never seen that name printed on a length of pipe. You run a distribution yard, moving a container of PP-R a quarter, and the price sits under your current line. What you […]