... water supply,chemical,petroleum industry 1.NameStainless steel welding neck flange2.Standard:GB14976-2002, GB13296-2007 ... : 5K,10K, 16K, 20K, 30K5.Section Shape:Welding neck Flange6.Grade:304, 304L, 310S, 321,321H ... , 304Stanndard:ANSI,BS,DIN,UNI,JIS,GN,etcType:Welding neck flangeProduct name: Stainless Steel Flanges1. Size: ... 6, PN 10, PN16, PN25, PN40 and PN64 JIS 5K, 10K, 16K and 20K 5. Type: Welding ...