Item: Butt Welded Ring Loose Flange Specification: NPS1/2"-NPS24" Norminal Pressure: Class150,Class300,Class400,Class600,Class900,Class1500,Class2500 Material:A105,20#,Q235,16Mn, 304,304,L316,316L ect. Standard: ASME B16.5,DIN2641,DIN2642,EN1092-1 ect.
