Metal hard seal butterfly valve with elastic sealing ring multi-level metal seal structure, is widely used in medium temperature is less than or equal to 350 DEG C, metallurgy, electric power, petrochemical, and to the drainage and municipal construction and other industrial pipeline, as to regulate the use of fluid flow and cut off.
Metal hard seal butterfly valve with three eccentric structure, the valve seat and disc almost no wear; sealing ring selection of stainless steel production, with a metal hard sealing and flexible sealing double advantages, both in the case of low temperature and high temperature, has excellent sealing performance, has the characteristics of corrosion resistance, long service life, etc..
Nominal pressure: PN0.6MPa ~ 2.5MPa
Nominal diameter: DN50 ~ DN2000
Applicable medium: water, gas, oil
Suitable temperature: ≤350℃
Executive standard: JB/T8527-97
Test standard: GB/T13927-2008