SAFE, Surpassing Quality!
Our factory requirements are based on
leakage class V in accordance with IEC 60534.
Incorporates precision U-shaped elastic sealing ring and triple-eccentric multi-layer metal hard-seal structure. Widely used in industrial pipelines for metallurgical, power generation, petrochemical, and municipal water supply/drainage systems with media temperature ≤425℃, designed for flow regulation and fluid shutoff. Features cast steel/stainless steel sealing surfaces on seat and disc, providing corrosion resistance and extended service life. Bidirectional sealing capability complies with GB/T13927-92 valve pressure test standard.