Low operating torque function

The valve can be easily closed with a torque equal to 80% of the nominal diameter, achieving zeroleakage under nominal pressure.

Rust prevention function

The bonnet and gland adopt a countersunk wax-sealed design, with no exposed bolts, completelysolving the problem of bolt rusting.

Anti-external leakage function

The upper seal adopts a three O-ring design to ensure no water leakage during the dynamicmovement of the valve stem; the middle flange features a self-sealing design, where the gasketutilizes the O-ring principle. The greater the pressure in the valve chamber, the tighter the rubber issqueezed, resulting in a more reliable seal.

Anti-internal leakage functio

The gate adopts an advanced dual-mold injection molding and high-temperature vulcanizationprocess. The rubber surface of the gate has no exposed positioning points, with 100% fulcoverage, uniform rubber, stable dimensions, and excellent sealing performance.