DN50 ANSI B16.5 150LB weld neck flanges

DN50 ANSI B16.5 150LB weld neck flanges Product show PRODUCT SPECIFICATIONS Standard DIN2527,DIN2566,DIN2576,DIN2641,DIN2642,DIN2655,DIN2656,DIN2628,DIN2629,DIN2631,DIN2632,DIN2633, DIN2634,DIN2635,DIN2636,DIN2637,DIN2638,DIN2673.ASTM A105,A182,A694 Material quality ST37.2,ST45.8,ST35.8,C22.8,SS400,SM400B,20M,20#,Q235,F304/304L,F316/316L,F321, F11/42/46/52/60/65,15CrMo,12Cr1MoV Origin China Type weld neck(WN) Application Connection Special tube Conventional wall thickness and