bids are invited for rov 8 inch 300 class rating ball valve or tobv , rov 4 inch 300 class rating ball valve or tobv , pov 8 inch 300 class rating ball valve or tobv , pov 6 inch 300 class rating ball valve or tobv , pov 3 inch 300 class rating ball valve or tobv , pov 2 inch 300 class rating ball valve or tobv , ball valve 300 class rating 250nb , ball valve 300 class rating 200nb , ball valve 300 class rating 150nb , ball valve 300 class rating 100nb , ball valve 300 class rating 80nb , ball valve 300 class rating 50nb , ball valve 800 class rating 25nb , ball valve 800 class rating 20nb , ball valve 800 class rating 15nb total quantity : 125