... installed ball valve pneumatic ball valve,zero-retention ball valve, Sanitary clamp ball valve,without resort-liquid ball valve,without dead angles ball valve, threaded three and ball valve, flange ball,1pc with internal threaded ball valve, 2pcs with ... >.Material: Dn25-dn150 or 1"-6" available3>.Standard: DIN, SMS, ISO, 3A, IDF, RJT available4>.Applications: dairy , beer, food, beverage, pharmacy ...