... 1500Lbs, 2500Lbs, /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B, C, D, EstandardASME B16.5, ASME B16.47, ASME ... Joint Flanges, Long Welding Neck Flanges, Figure 8 BlanksPRESSURE GRADE: Class150,Class300,Class600,Class900,Class1500,Class2500SIZE: 1/2" NB ... neck FflangesSlip on FlangesThreaded FlangesSocket Welding Flanges, Blind FlangesPRESSURE GRADE: 6Bar,10Bar,16Bar,25Bar,40Bar SIZE: DN10-DN10003.JIS ...