Author

Justin

Justin

Senior Piping Industry Expert

Justin leads technical content at Hitze, where he translates 50 years of German-engineered piping know-how into guidance trade buyers can actually use. He works across the full system — multilayer PEX-AL-PEX, PEX-a/b/c, PE-RT underfloor pipe, PP-R and PPR-CU, plus press, compression, push-fit and lead-free brass fittings and manifolds — from resin grades, crosslinking and heat-fusion methods through to hydrostatic and oxygen-barrier performance. His focus is the part that trips up importers and private-label brands most: the certification maze (cUPC, NSF/ANSI 61, DVGW, WRAS, SKZ, CE with Declaration of Performance) that decides which product clears which market, and how to verify a factory before a container order. He writes for wholesalers, importers, contractors and private-label brands sourcing plumbing and heating pipe for North America and Europe.

By this author

Guides & Articles

PPR Welding Machines Compared: Handheld, Bench and Jig Systems
PP-R Systems

PPR Welding Machines Compared: Handheld, Bench and Jig Systems

PPR pipe welding machine guide comparing handheld, bench and guided tools by size, alignment, temperature control, voltage and workload.

July 21, 2026 · 11 min read
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How to Weld PPR Pipe: A Socket-Fusion Field Guide
PP-R Systems

How to Weld PPR Pipe: A Socket-Fusion Field Guide

Learn how to weld PPR pipe in eight controlled socket-fusion steps, avoid weak joints, inspect the bead and prepare the system for…

July 21, 2026 · 11 min read
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PPR Specification and Submittal Checklist for MEP Tenders
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.

July 21, 2026 · 10 min read
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PPR Pipe Sizes, SDR and PN Ratings: 20–110 mm Guide
PP-R Systems

PPR Pipe Sizes, SDR and PN Ratings: 20–110 mm Guide

PPR pipe sizes from 20 to 110 mm: compare SDR and PN ratings and write a complete hot- or cold-water pipe specification.

July 21, 2026 · 9 min read
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PPR Hot-Water Temperature Rating: What the Numbers Really Mean
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…

July 21, 2026 · 9 min read
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PPR vs PVC and CPVC: Which Pipe Fits?
PP-R Systems

PPR vs PVC and CPVC: Which Pipe Fits?

PPR vs PVC and CPVC compared by service scope, joining method, approvals and site risk, with a standards-grounded checklist for system selection.

July 21, 2026 · 13 min read
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Is PPR Pipe Safe for Drinking Water? A Certification-First Guide
PP-R Systems

Is PPR Pipe Safe for Drinking Water? A Certification-First Guide

PPR can be suitable for drinking water, but the name alone proves nothing. Check NSF 61, NSF 14, WRAS/DVGW scope, temperature and…

July 21, 2026 · 10 min read
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What Is PPR Pipe? Complete System, Selection and Installation Guide
PP-R Systems

What Is PPR Pipe? Complete System, Selection and Installation Guide

What is PPR pipe? Understand PP-R materials, fusion, standards, sizes, ratings, potable-water checks, installation and project selection.

July 21, 2026 · 18 min read
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PEX-a vs PEX-b vs PEX-c: Manufacturing Methods & Real Differences
Pipe Selection

PEX-a vs PEX-b vs PEX-c: Manufacturing Methods & Real Differences

PEX-a vs PEX-b vs PEX-c by manufacturing method: crosslinking %, flexibility, kink repair and the one fitting rule that actually matters for…

July 14, 2026 · 14 min read
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PEX & Multilayer Pipe Sizing: 16/20/25/32mm, Flow & Pressure
Pipe Selection

PEX & Multilayer Pipe Sizing: 16/20/25/32mm, Flow & Pressure

Size PEX & multilayer pipe by flow, not diameter: 16/20/25/32mm for loops, branches, trunks & mains, with code velocity limits and a…

July 13, 2026 · 18 min read
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