tender for oh kit for isolating cock consisting of 3 items ( rdso design) confirmingto rdso spec.no.02-abr-02 amendment no. 4 of sept 2016, appendix - i and ptfe. s. no.description drgno. &alt. item no. mat. spec. qty./kit 1 seat ring rdso / sk -97003, alt.5 4ptfe 2 2 sealing washer rdso / sk -97003, alt.5 5 ptfe 1 3 gland packing rdso / sk -97003,alt.5 8 ptfe 2 .
