Tianjin TWIV Fluid Valve is a professional Large Diameter Butterfly Valve manufacturer and trusted Butterfly valve china supplier, operating as a reliable China butterfly valve factory serving global industrial projects.
We specialize in designing and producing large-diameter butterfly valves ranging from DN100 up to DN3600, widely applied in municipal water systems, power plants, desalination projects, and industrial cooling networks.
Our valves are engineered for stable performance under high flow and pressure conditions, offering tight shut-off, long service life, and low maintenance requirements. Materials include ductile iron, carbon steel, stainless steel (SS304/SS316), and bronze to meet different engineering demands.
As a professional China butterfly valve factory, we provide flexible actuation options such as electric actuators, pneumatic systems, and worm gear operators to match diverse project requirements.
We also offer EPDM, NBR, and PTFE sealing systems, along with anti-corrosion coatings, ensuring reliable operation in seawater, wastewater, and harsh industrial environments.
Manufactured strictly in accordance with AWWA C504, API 609, and EN 593 standards, TWIV delivers factory-direct supply, OEM/ODM customization, and fast global delivery for distributors, contractors, and engineering companies.