supply of kit for jointing [ btpn ] consisting 03 items. [ 1 ] gland ring 100 mm lubricated taper plug valve to rdso drg no wd-93066-s-07, alt-1. qty. - 30 nos. [ 2 ] gasket for 100 mm lubricated taper plug valve to rdso drg no wd-93066-s-04, alt- 1, qty. - 05 nos. [ 3 ] gland packing for 100 mm lubricated taper plug valve to rdso drg no wd-93066-s-08, alt-1, qty - 30 nos. material and specification for gland ring and gasket should be to is:2712-1998 ( re-affirmed:2020 ) , gr o / 2. material and specification for gland packing should be to is:4687-1995 ( re-affirmed:2022 ) , gr type-2. note : 1 set consists of 65 nos. . [ warranty period: 30 months after the date of delivery ]