FLANGES 1) ANSI B16.5, ASME B16.47 FLANGE Size range: 1/2" to 80"  DN15 to DN2000 Design: welding neck, slip on, blind, socket welding, threaded, lap-joint Pressure: 150#, 300#, 600#,900#,1500#, 2500# Wall thickness for welding neck flange: STD, SCH40, SCH80, SCH160. SCHXXS 2) EN1092-1 FLANGE Size range: DN15 to...