Fully welded ball valves are integrally welded with zero external leakage points, sturdy structure, pressure and corrosion resistance. They can be buried underground, maintenance‑free with long service life.

Widely used in urban gas, natural gas pipeline networks, long‑distance oil‑gas pipelines, heating systems and petrochemical industries for on‑off control of natural gas, fuel gas, hot oil, steam and other media, ensuring long‑term safe operation of underground pipelines.