... ,DIN AND BS NORMS. ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS.JIS Weld NeckProduction size(NPS):10~6000mmType:Slip-On ... :PN 6, PN 10, PN16, PN25, PN40 and PN64Pressure Ratings:JIS 5K, 10K, 16K and 20KMaterials:Carbon steel, Stainless steel and ... steel etc.Flangethreaded flange,industrial flange,Carbon steel flanges)JIS B 2220Weld neckflange standard, JIS B 2220-2004(Steel pipe flanges Use:widely used ...