bids are invited for boqauto extension if any seller submits price in last 15 minutes, the rawill be auto extended by 15 minutes. ( a maximum of300 times ) total quantity : 1-1 main valves :15 mm ( nb ) size- ball valves ( without commissioning spares ) 2 main valves :25 mm ( nb ) size- ball valves ( without commissioning spares ) 3 main valves :50 mm ( nb ) size- ball valves ( without commissioning spares ) 4 main valves :80 mm ( nb ) size- ball valves ( without commissioning spares ) 5 main valves :150 mm ( nb ) size- ball valves ( without commissioning spares ) 6 commissioning spares- body seal ( sets ) -15 mm ( nb ) size 7 commissioning spares- body seal ( sets ) -25 mm ( nb ) size 8 commissioning spares- body seal ( sets ) -50 mm ( nb ) size 9 commissioning spares- body seal ( sets ) -80 mm ( nb ) size 10 commissioning spares- body seal ( sets ) -150 mm ( nb ) size 11 commissioning spares- steam washer ( sets ) -15 mm ( nb ) size 12 commissioning spares- steam washer ( sets ) -25 mm ( nb ) size 13 commissioning spares- steam washer ( sets ) -50 mm ( nb ) size 14 commissioning spares- steam washer ( sets ) -80 mm ( nb ) size 15 commissioning spares-steam washer ( sets ) -150 mm ( nb ) size 16 commissioning spares- steam seal ( sets ) -15 mm ( nb ) size 17 commissioning spares- steam seal ( sets ) -25 mm ( nb ) size 18 commissioning spares- steam seal ( sets ) -50 mm ( nb ) size 19 commissioning spares- steam seal ( sets ) -80 mm ( nb ) size 20 commissioning spares-steam seal ( sets ) -150 mm ( nb ) size 21 mandatory spares- ( complete assembly without commissioning spares ) -15 mm ( nb ) size 22 mandatory spares- ( complete assembly without commissioning spares ) -25 mm ( nb ) size 23 mandatory spares- ( complete assembly without commissioning spares ) -50 mm ( nb ) size 24 mandatory spares- ( complete assembly without commissioning spares ) -80 mm ( nb ) size 25 mandatory spares- ( complete assembly without commissioning spares ) -150 mm ( nb ) size