1.ANSI B 16.5 class 150 weld neck flange 2.DN15-DN800 3.carbon/stainless steel ... ISO14001 CE 5.competitive price ANSI B 16.5 class 150 weld neck flange Hebei Shengya Pipe Fittings Co.LTD.TYPESlip ... 6,PN 10,PN 25,PN 40, PN 64 CLASS 150,300,600,900,1500 and 2500MATERIALcarbon steel,low alloy,stainless ...