... 3A Welded, Threaded, Clamped Apply to Beer, Milk, Diary, Beverage... Three-piece Ball ValveConnection mode:clamped,Welded,threaded Specification: 1/2 ... "-4", applied to the stainless steel pipeline system Material quality: SUS304, SUS316L Standard: ISO, DIN, ... application: pharmacy, beer, food, dairy, beverage, cosmetic, chemical industry Three-piece Ball Valve