valves stainless steel precision investment casting CNC precisely machined easy to connect and disconnect valves ·Stainless Steel Sanitary Union, Fitting·Material:SS304,SS316L·Standard: SMS, DIN,3A,Weld ends·Specification:1"-4"(DN25-DN100),or required·Connection mode: welded Application: beer, food, dairy, beverage, cosmetics, pharmacy and chemical etc industries.