bids are invited for ball valve boq for patratu project - main valves 15 mm nb size ball valves without commissioning spares , main valves 25 mm nb size ball valves without commissioning spares , main valves 40 mm nb size ball valves without commissioning spares , main valves 50 mm nb size ball valves without commissioning spares , main valves 65 mm nb size ball valves without commissioning spares , main valves 150 mm nb size ball valves without commissioning spares , commissioning spares- body seal sets-15 mm nb size , commissioning spares- body seal sets-25 mm nb size , commissioning spares- body seal sets-40 mm nb size , commissioning spares- body seal sets-50 mm nb size , commissioning spares- body seal sets65 mm nb size , commissioning spares- body seal sets-150 mm nb size , commissioning spares- stem washer sets-15 mm nb size , commissioning sparesstem washer sets-25 mm nb size , commissioning spares- stem washer sets-40 mm nb size , commissioning spares- stem washer sets-50 mm nb size , commissioning spares- stem washer sets-65 mm nb size , commissioning spares- stem washer sets-150 mm nb size , commissioning spares- stem seal sets-15 mm nb size , commissioning spares- stem seal sets-25 mm nb size , commissioning spares- stem seal sets-40 mm nb size , commissioning spares- stem seal sets-50 mm nb size , commissioning spares- stem seal sets-65 mm nb size , commissioning spares- stem seal sets-150 mm nb size , mandatory sparescomplete valve without commissioning spares-15 mm nb size , mandatory spares-complete valve without commissioning spares-25 mm nb size , mandatory spares-complete valve without commissioning spares-40 mm nb size , mandatory spares-complete valve without commissioning spares-50 mm nb size , mandatory spares-complete valve without commissioning spares-65 mm nb size , mandatory spares-complete valve without commissioning spares-150 mm nb size total quantity : 775