... pumps, valves, pipes and fittings.Tianyu sanitary stainless steel ball valves are the perfect control solution for the pharmaceutical, food ... design has been developed through years of testing and field experience. We use only the finest stainless steel-type ... ), sanitary stainless steel valves (three-way ball, butterfly, diaphragm, sample, divert, plug, ball check, disk check), accessory items and ...