Hitze Insights
ISO 15874
Sourcing & Vetting
PPR Pipe Sample Testing: The Approval Checklist Before You Order
How to test a PP-R pipe sample before you approve it: ISO 15874 dimension limits, the ovality gap, joint tests, certificate scope…
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PP-R Systems
PPR Specification and Submittal Checklist for MEP Tenders
PPR pipe specification: audit an MEP submittal for standards, dimensions, pressure-temperature data, certificates, joints and traceability.
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PP-R Systems
PPR Hot-Water Temperature Rating: What the Numbers Really Mean
PPR has no single hot-water limit. Learn how 60°C, 70°C, 80°C and 95°C relate to application class, pressure derating, SDR and service…
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