作者姓名：tylin

Decode PPR fitting labels, including PN pressure ratings, SDR wall thickness, material marks, and ISO, DIN, or GB standards for plumbing products.

Learn what a PPR stop valve is, how it controls water flow, where it is used in plumbing systems, and how to choose reliable stop valve fittings.

Compare brass and plastic pipe fittings for strength, corrosion resistance, cost, pressure, installation, and the best choice for different plumbing systems.

Compare PPR and PVC pipe for hot water systems, including temperature resistance, joining methods, pressure performance, durability, and best uses.

Learn what brass insert fittings are, how brass inserts are molded into PPR fittings, and why they improve threaded plumbing connections.

Use this PPR pipe size guide to compare 20-160mm diameters, wall thickness, SDR, metric and imperial equivalents, and common plumbing applications.

Understand what PPR pipe is, including material properties, temperature and pressure ratings, common plumbing uses, and why PPR is used for hot water.

Learn what a PPR ball valve is, how its 90-degree shut-off mechanism works, where it is used, and how to choose reliable PPR valve fittings.