Top-mounted eccentric half-ball valves use eccentric valve body, eccentric ball and seat, the valve stem for rotary motion in the common trajectory of automatic centering, the tighter the closure process, to achieve good sealing purpose. The ball and seat of the valve are detached, eliminating the wear and tear of the sealing ring, and the non-metallic elastic material is embedded in the metal seat, so that the metal surface of the valve seat is protected. The products are suitable for steel industry, aluminum industry, fibers, tiny solid particles, pulp, coal ash, liquefied petroleum gas and other media.
