Solid‑structure design provides reliable blocking performance. Food‑contact safe raw material meets potable‑water requirements, enduring long‑term working temperature up to 95℃ with good anti‑scale and anti‑corrosion property. Compliant with ISO15874 standard and PN25 pressure rating, service life exceeds 50 years. Widely applied in household plumbing, commercial water supply and floor‑heating projects.