1/2"-4", DN10-DN100 AISI304/316L DIN, SMS, ISO, 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 ... application: pharmacy, beer, food, dairy, beverage, cosmetic, chemical industry Three-piece Ball Valve