1.ANSI B 16.5 class 150 weld neck flange 2.DN15-DN800 3.carbon/ ... CE 5.competitive price ANSI B 16.5 class 150 weld neck flange Hebei Shengya Pipe Fittings Co.LTD. ... PN 10,PN 25,PN 40, PN 64 CLASS 150,300,600,900,1500 and 2500MATERIALcarbon steel,low alloy,stainless ... variety of materialSEALING SURFACEFF,RF,LJ,TG,FM,and R.T.J. etc.RUSTPROOF TREATMENTlightly oiled,galvanized,painting with different ...