... , DIN2631, DIN2633,JIS B2220, JIS B 2216, ANSI B 16.5 etc.5.Material: Carbon Steel, Stainless Steel, Ductile Iron.6.Certificate ... 2635.3.ANSI Standard: ANSI B 16.5.4.JPI Standard: JPI 7S-15-84.5.API Standard: API6056.Nonstandard FlangesThe flange ... , WN, SW, Threaded, Lap Joint, Ring Joint.5.Nonstandard FlangesThe certificate of the flanges.Because we had a lot of the shipyard ...