... 316,304L,304 2.Stanndard:ANSI,BS,DIN,UNI,JIS,GB 3.Use:water supply,chemical,petroleum ... :1.High production ability.2.Reasonable price.3.Excellent quality.4.Various size.Stainless steel flanges ... pipe fittingsGrade: 316L, 316, 304L, 304Stanndard:ANSI,BS,DIN,UNI,JIS,GN,etcType:Welding neck flangeProduct name ... 40" (DN15 mm-1000 mm). 2. Standards: ANSI, BS, DIN, UNI, JIS, GB, Non-standard etc.or as ...