SIZE:1/2"-144" Type: Weld-neck, Slip-on, Blind, Socket, threaded, Lap-joint, Loose, Flat, Figure-8 Blank, Orifice, etc Dimension Standards and Sizes: GOST 12820 /12821 DIN2527,2573,2576,2544,2545, 2631, 2632, 2633, 2634, 2635, 2636,2638,2641,2642 / EN1092-1 TYP01-34 ANSI B16.5 1/2”-24” CLASS 150-2500 ANSI B16.47 26”-60” CLASS 75-900 ANSI B16.36, ANSI B36.10-ANSI B36.19, ASME B16.47 SER, B(AP1605 ...