supply of kit for duplex check valvekit for duplex check valve,kit for duplex check valve comprising of 04 items-- (i) piston seal as per ftrtipl pt. no.- 002704500, qty.= 01 no./set (ii) seal as per ftrtipl pt. no.-002704000a, qty.= 01 no./set, (iii) o ring as per ftrtipl pt. no.-002703500a, qty.= 02 nos./set, (iv) valve stem assembly as per ftrtipl pt. no. -002121500, qty.= 01 no./set. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] electic loco shed stores/bksc, jharkhand 60.00 set ser electric loco shed stores/bndm, odisha 13.00 set