啟明星網絡書簽

Three-dimensional incline taper airproof seat 900 openinger cleaning triple eccentric, Bereled wedge disc small friction and torque, self-clean manual, electric, pneumatic and gear operation etc.

Metal seated ball valves are well suited for a variety of demanding services where high-temperature and abrasive solids are present. The ball face has high roundness and smoothness due to special grinding process, hereby making it 100% fit to valve seat.