... 304, 304L, 316, 316L 2) Standard: ISO, 3A, DIN, SMS DIN union features:1) Material: stainless steel 304, 304L, 316 ... , 316L2) Size: 1/2", 3/4", 1", 1.5", ... 2", 2.5", 3", 4", 6", 8", 10", 12"3) Standard: ISO, 3A, DIN, SMS4) Applications: beer, dairy, beverage ... satisfied for customers' special requirements stainless steel DIN 11851 union