tender for maintenance kit for auto drain valve to midlands drg no. mid/adv/09/10/001, alt-nil consisting of09 items 13 nos. 1. o ring drg .no madv/004-01=01no.2.o ring drg no. mdav/005-2=01 no 3. o ring drg.no mdav/006=01 no. 4. o ring drg. no mdav/007=01 no. 5. o ring drg. no mdav/008=01no.6.o ring drgno. mdav/010=01no 7. o ring drg no. mdav/011=01 no 8. spring (ss)- drg no.mdav/002=01 no 9. valvesheet teflon drg no. mdav/015= 04 nos.
