... 2"-64" 2.PN:PN6,10,16,25,40,100 3.material:cs&ss 4.standard: ... 80" DN15 to DN2000Design: welding neck, slip on, blind, socket welding, threaded, lap-jointPressure: 150#, 300#, ... DN2000Design: type01 plate flange, type02 loose flange, type05 blind flange, type11 welding necking type12 slip on flange, ... 2545 welding neck falnge DIN2631, 2632,2633,2634,2635 blind flange DIN 2527 PN6, PN10, PN16, PN25, ...