bids are invited for procurement of flanges for hp coat , flange, blind flange, size-0.75 inch, ra , flange, blind flange, size-1 inch, ratin , flange, blind flange, size-10 inch, rati , flange, blind flange, size-2 inch, ratin , flange, blind flange, size-3 inch, ratin , flange, blind flange, size-4 inch, ratin , flange, blind flange, size-6 inch, ratin , flange, blind flange, size-1.5 inch, rat , flange, long weld neck flange, size-1.5 , flange, slip on flange, size-2 inch, rat , flange, slip on flange, size-20 inch, ra , flange, slip on flange, size-6 inch, rat , flange, socketweld flange, size-0.75 inc , flange, socketweld flange, size-1 inch, , flange, socketweld flange, size1.5 inch , flange, socketweld flange, size-0.5 inch , flange, spacer and blind, size-10 inch, r , flange, spacer and blind, size-12 inch, r , flange, specl blind, size-0.75 inch, ra , flange, specl blind, size-1 inch, ratin , flange, specl blind, size-2 inch, ratin , flange, specl blind, size3 inch, ratin , flange, specl blind, size-6 inch, ratin , flange, specl blind, size-1.5 inch, rat , flange, weld neck flange, size-32 inch, , flange, weld neck flange, size-0.75 inch , flange, weld neck flange, size-1 inch, r , flange, weld neck flange, size-10 inch, , flange, weld neck flange, size-14 inch, , flange, weld neck flange, size-2 inch, r , flange, weld neck flange, size-3 inch, r , flange, weld neck flange, size-4 inch, r , flange, weld neck flange, size-6 inch, r , flange, weld neck flange, size-8 inch, r , flange, weld neck flange, size-1.5 inch, , flange, weld neck flange, size-12 inch, total quantity : 1410