supply of set of kit for check valve & double check valveset of kit for check valve & double check valve,set of kit for check valve & double check valve to ftrtipl part no. 790002505 consisti ng of the following sub kits. 1) 1 check valve kit as per ftrtipl pt.no.790002115 consisting of 03 ite ms and 2) kit for double check valve as per ftrtipl pt.no.790002101) consisting of 04 items as per a nnexure enclosed. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] amm/elsd/rpm, sr tamil nadu 16.00 set dy.cmm/lsd/per, sr tamil nadu 27.00 set