procurement of soft iron seal ring for boiler maintenace deptt.at ntpc darlipali procurement of soft iron seal ring for boiler maintenace deptt.at ntpc darlipali , si pressure seal gasket 110 x 96 x14 , si pressure seal gasket 115 x 98 x 18 , si pressure seal gasket 125 x 111 x14 , si pressure seal gasket 140 x 126 x14 , si pressure seal gasket210 x 186 x 24 , si pressure seal gasket 175 x 157 x 18 , s.i. pr.seal gasket 250x226x24 for hrh , s.i pr seal gasket;ms1, ms2;gv;500nb;2850 , si pressure seal gasket 90 x 80 x 10 , si pressure seal gasket 95 x 85 x 10 , si pressure seal gasket 135 x 121 x14 , si pressure seal gasket140 x 122 x 18 , si pressure sealgasket16x10x8mm , si pressure seal gasket 24x18x 8 mm , si pressure seal gasket20x14x8mm , s.i pr seal gasket;eco i / l v / v;18;2500c , si pressure seal gasket 100 x 86 x14 , si pressure seal gasket 101 x 115 x14 => limited