pipe fitting neck flange 1)material:stainless/carbon/alloy 2)standard:ansi din ba etc 3)size:1/2"-100" 4)ISO9001:2000,API pipe fitting plate flangeFORGED FLANGES SOCKET WELDING, WELDING NECK, THREADED, LAP JOINT, BLIND, SLIP ON; DIN2527, DIN2502/2503/2573/2576, DIN2565/2566, DIN2627/2628/2629, DIN2630/2631/2632/2633/2634/2635/2636/2637/2638, DIN2641/2642/2655/2656, DIN86029/86030, BS4540, BS10 ...
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