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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.