... 25,40,100 3.material:cs&ss 4.standard: BS4504 ISO ANSI DIN GB JIS ASME ... 1/2" to 80" DN15 to DN2000Design: welding neck, slip on, blind, socket welding, threaded, lap- ... 300#, 600#,900#,1500#, 2500#Wall thickness for welding neck flange: STD, SCH40, SCH80, SCH160. SCHXXSMaterial: carbon ... to DN 2000Design : plate falnge 12820-80, welding neck flange 12821-80Pressure: PN6, PN10, PN16, PN25, ...