Unplasticized Polyvinyl Chloride Ball Valve has a ball inside it, which can be opened by turning the handle attached to the ball. The Ball Valve is featured with antiblock system which prevents ball jamming. Ball Valve is made from quality grade unplasticized polyvinyl chloride that ensures long lasting usage. Unplasticized Polyvinyl Chloride Ball Valve comes in different sizes such as 40 mm, 50 mm, 63 mm, 75 mm and 90 mm to suit specific requirement.