bids are invited for erection material for ntpc and adani project sites 3 piece union 3 by 4 inch a105 cl3000 , 3 piece union 3 by 4 inch a182f22 cl3000 , 3 piece union 3 by 4 inch f22 , coupling 1 by 2 inch nb sw a105 cl 6000 , coupling 1 by 2 inch nb sw a182f22 cl 3000 , coupling 1 by 2 inch nb sw a182f91 cl 9000 , coupling 1 by 2 inch np sw a105 cl3000 , coupling 1 by 2 inch np sw a105 cl6000 , coupling 1 by 2 inch np sw a105 cl9000 , coupling 1 by 2 inch np sw a182f91 cl9000 , coupling 1 by 2 inch a105 cl6000 ibr certification required , coupling 1 by 2 inch f22 cl3000 ibr certification required , coupling 1 by 2 inch f91 cl9000 ibr certification required , coupling 3 by 4 inch nb sw a105 cl3000 , coupling 3 by 4 inch nb sw a182f22 cl3000 , coupling 3 by 4 inch np sw a105 cl3000 , coupling 3 by 4 inch np sw a182f22 cl3000 , coupling 3 by 4 inch nb sw a182f22 cl3000 , cross 2x 3 by 4 inch sw x 2x 3 by 4 inch nptf a105 , cross 2x 3 by 4 inch sw x 2x 3 by 4 inch nptf a182f22 , gi adapter 1 by 2 inch , gi coupling 1 by 2 inch , gi elbow 1 by 2 inch , gi pipe 1 by 2 inch , gi u cl 1 by 2 inch , gi u cl 3 by 4 inch , head and tail piece 3 by 4 inch a105 , head and tail piece 3 by 4 inch a182f22 , reducer 3 by 4 inch sw x 1 by 2 inch npt m f22 , reducer 3 by 4 inch sw x 44.5 mm od a105 cl3000 , reducer 3 by 4 inch sw x 44.5 mmod a182f22 cl3000 , unequal tee 3 by 4 inch sw x 1 by 2 inch npt m f22 total quantity : 8892