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Welded butterfly valve
- Feb 03, 2018 -

Precision J-shaped elastic ring and triple eccentric multi-layer metal seal structure is widely used in metallurgy, electric power, petrochemical industry, power supply, petrochemical industry, water supply and drainage, municipal construction and other industrial pipelines with medium temperature ≤425 ℃ for regulating flow rate And breaking the fluid to use. Welded butterfly valves are divided into cast steel welded butterfly valve, stainless steel welded butterfly valve, chrome molybdenum steel welded butterfly valve, welded butterfly valve with three eccentric structure, seat and disc sealing surface are made of different hardness and stainless steel, with good corrosion resistance, service life Long, the valve can have two-way sealing function, the product complies with the national GB / T13927-92 valve pressure test standards.