supply of set of o rings kit for auto isolating , set of o rings kit for auto isolating valve consisting of 04 items. (1) o ring to wsf pa rt no. j 72050/27-1no/set or o ring to elbe part no. 5391/2 - 1no/set or o ring to recon drg no. re c/10093 ref-4 - 1no/set. (2) o ring to wsf part no. j 72050/20 - 3nos/set or o ring to elbe part no. 5391/1 - 3nos/set or o ring to recon drg no. rec/10093 ref-8 - 3 nos/set. (3) o ring to wsf part n o. j 72050/02 - 4nos/set or o ring to elbe part no. 5391/3 - 4 nos/set or o ring to recon drg no. re c/10093 ref-5 - 4nos/set. (4) oring to wsf part no. j 72050/29 - 1no/set or oring to elbe part no. 5391/4 - 1no/set or o ring to recon drg no. rec/10093 ref- 2-1no/set. [ warranty period: 30 mont hs after the date of delivery ] ]