... 16,25,40,100 3.material:cs&ss 4.standard: BS4504 ISO ANSI DIN GB JIS ASME 1 ... 5, ASME B16.47 FLANGESize range: 1/2" to 80" DN15 to DN2000Design: welding neck, slip on, blind, socket ... ,2503, 2543,2545 welding neck falnge DIN2631, 2632,2633,2634,2635 blind flange DIN 2527 PN6, PN10, ... plywooden case, wooden pallet4) GOST FLANGESize range: DN15 to DN 2000Design : plate falnge 12820-80, welding neck flange ...