bids are invited for valve butterfly 150mm , valve butterfly 250mm , valve butterfly 300mm , valve butterfly 350mm , valve butterfly 500mm , valve butterfly 600mm , valve, butterfly wafer cs 150mm , valve butterflyfly wafer cs 125mm , valve butterfly wafer cs 100mm , valve butterfly wafer cs 80mm , valve gate ci 80mm , valve gate ci 100mm , valve non return size 300mm , valve non return swing type , valve butterfly wafer cs 400mm , valve butterfly wafer cs 200mm , valve butterfly wafer cs 250mm , valve butterfly carbon steel 200mm , valve butterfly carbon steel 150mm , valve butterfly ss316 nb50 flgd , valve butterfly wafer cs 150mm , valve butterfly wafer cs 125mm , valve gate ci 80mm flgd total quantity : 148