Red and blue PEX tubing coils with brass and polymer press fittings and copper crimp rings on a workbench Viega’s PEX line is one of the most common names in North American plumbing, yet most buyers can only describe it the way the marketing does: red and blue coils, a crimp tool, a press tool,
PEX-AL-PEX behaves like a metal pipe wearing a plastic coat, and that is exactly why its joints fail in ways plain PEX joints never do. A single-layer PEX barb forgives a rough cut because the pipe wall is soft enough to swallow it. Composite pipe does not forgive anything: there is a welded aluminium tube
PEX-AL-PEX Fittings: Press Profiles, Prep and Why Joints Leak Read More »
PEX Pipe Fittings Names: The Complete Visual Catalog for Wholesale Buyers Published by IFANPRO · 12 min read Every PEX fitting type a wholesale buyer needs to stock — organized by function. Key Takeaways PEX pipe fittings break down into 9 core families: couplings, elbows, tees, adapters, unions, crosses, caps, plugs, and manifold connections. Each
PEX Pipe Fittings Names: The Complete Visual Catalog for Wholesale Buyers Read More »
Every HDPE pipe pressure rating you have ever read off a datasheet carries a hidden condition: it is true at 20 C, in clean water, on straight pipe. Move any one of those three and the number moves with it. That is the part most SDR charts leave out, and it is the part that decides
HDPE Pipe Pressure Rating: SDR, PN and How Heat Derates It Read More »
Why You Cannot Just Glue PEX to PVC A renovation crew tears out a copper riser and replaces it with PEX. Three floors down, the main is still Schedule 40 PVC. Somewhere between the two, a joint has to happen — and the instinct to solvent-weld a PVC fitting onto a PEX stub will not
PEX to PVC Fittings: 3 Transition Methods, Sizing and What to Stock Read More »
Ferrule material, tube-size compatibility and where brass compression joints actually leak. EN 1254-2 and ASTM F1974 limits, plus what to specify.
Brass Compression Fittings: What to Specify Before You Order Read More »
A purchase order that says “PVC pressure pipe, 110 mm, PN 16” is complete. One that says “4 inch, high pressure” is not, and the gap between them is where most disputed PVC deliveries begin. PN, SDR, DR, Pressure Class and Pressure Rating are five labels for one physical property — wall thickness relative to
PVC Pressure Pipe PN & SDR: Which Class to Specify Read More »
What dezincification does to brass fittings, why the 15% zinc rule is wrong, and the exact alloy, heat-treatment and ISO 6509 / AS 2345 evidence to demand.
Dezincification of Brass: Why Fittings Fail and How to Verify DZR Read More »
What is HDPE pipe: PE100 means an MRS of 10.0 MPa, SDR sets the pressure class, and the PAS 1075 clause most buyers still specify has been withdrawn.
What Is HDPE Pipe? PE100, SDR and Pressure Explained Read More »
Brass or plastic PEX fittings? Compare ASTM F1807 and F2159 on size range, flow area, chlorine resistance, dezincification, lead-free rules and code acceptance.
Brass vs Plastic PEX Fittings: What Actually Decides Which You Stock Read More »
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