JIS Forged carbon steel WN flange 1.Size:DN10--DN800 2.Standard ... ,304H/L,321,310S,347H, ansi b16.5 class 150 weld neck flange1.specificationStandards: ANSI(ASME), AWWA ... on, bind, threaded, lap-joint, socket weldingPressureMaterial: carbon steel, stainless steelSize: 1/2" to 80" DN15 to ... ,F316/F316L 7 AWWA C207 4"--144" Class B,D,E,F T/1 PL A105 ... /DIN174402.picture ansi b16.5 class 150 weld neck flange