Streamlined inner wall reduces flow turbulence and pressure drop. Food‑contact raw material guarantees potable‑water safety. It withstands operating temperature up to 95℃ with excellent anti‑corrosion and anti‑scaling performance. Complying with ISO15874, PN25 pressure rating, it offers over 50‑year service life. Suitable for household plumbing, commercial water supply and floor‑heating systems.