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2)ANSI ANSI FLANGES Standard: ANSI B16.5 FORGED FLANGES Class 150, Class 300, Class 400, Class 600,Class 900, Class 1500, Class 2500 Flanges ORIFICE FLANGES ANSI Orifice Flanges Standard: ANSI B16.36 FORGED FLANGES Class 300, Class 400, Class 600, Class 900-1500, Class 2500 Orifice Flanges Welded and Seamless Pipe Carbon and Alloy Steels, Welded and Seramless Pipe stainless steels Standard: ANSI B36.1O-ASNI B36.19 Material Specifications: ANSI B16.5(ASTM STANDARD) Material Specifications: APPLICABLE ASTM SPECIFICATIONS 3)ASME B16.47 SER, B(API605) API API FLANGES Class 75, 150, 300, 600, 900 Flanges 4)ASME B16, 47 SER, A(MSS) MSS MSS FLANGES Class 150, 300, 400, 600, 900 Flanges 5)AWWA AWWA FLANGES Standard: AWWA C207 FLANGES 6)DIN BAR Standard: DIN 2573, 2576, 2543, 2544, 2545 SLIP- ONFLANGES DIN 2527 BLIND FLANGES DIN2631, 2632, 2633, 2634, 2635 WELDING NECK FLANGES