supply of overhauling kit for check valve with choke.overhauling kit for check valve with choke.,overhauling kit for check valve with choke to rdso sk-98112 alt nil consisting of the follo wing items: (1) filter-item no.2 (1/ kit). (2) valve sealing ring-item no.4 (1/kit). (3)compression spring-ite m no.6-(1/kit). (4)sealing ring-item no.7(1/kit) to rdso specification 02-abr-02 with amendment 4, app endix-i. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted : max 8 lacs ] ] mech stores depot-ubl, swr karnataka 2060.00 set => limited