... steel flange 1.size:1/2"-64" 2.PN:PN6,10,16,25,40,100 3.material:cs&ss 4.standard: BS4504 ISO ANSI ... range: DN15 to DN2000Design: type01 plate flange, type02 loose flange, type05 blind flange, type11 welding necking type12 slip on flange, type 13 threaded flangePressure: PN6 ... ,2576,2502,2503, 2543,2545 welding neck falnge DIN2631, 2632,2633,2634,2635 blind flange DIN 2527 PN6, PN10, PN16, PN25, PN40 ...