Proportional regulating ball valve with a variety of structures, such as 3way, straight way, butterfly design, no dead angle design, can be applied to work in high requirements of clean environment, such as pharmaceutical, food and beverage, wine, chemical industry etc. The ball valve meets operating temperature up to 150℃, pressure up to 10bar, innersurface roughness Ra0.5 μ m and 3A standards and ASME BPE high purity requirements
