Adopts precision U-shaped elastic sealing ring and triple-eccentric multi-layer metal hard-seal structure. Widely used in industrial pipelines including metallurgical, power generation, petrochemical, and municipal water supply/drainage systems with media temperature ≤425℃, for flow regulation and fluid shutoff. Features cast steel/stainless steel sealing surfaces on seat and disc, providing excellent corrosion resistance and extended service life. Bidirectional sealing capability complies with GB/T13927-92 valve pressure test standard.
