HOT SALE flange 1.standard:JIS 2.Certificate:ISO9001:2000 ,API. 3 ... ;carbon steel ,alloy steel ,stainless steel . 2.Size:DN15-DN1000. 3.Standard: ANSI B16.5,ANSI B16.47 ,GB,DIN,JIS ... ,BS,EN. 4.working press: CLASS 150~2500,PN2.5~400 Production: flangeType:WN/SO/PL/BL/TH/SW/LFMaterial:carbon steel ... :A105,Q235,ST37,P250GH,C22.8,S235JRstainless steel:321,201,F304,F304L, ...