supply of repair kit for duplex check valve to rdso drg. no. skdp-1187 alt-2 consisting 06 itemsrepair kit for duplex check valve to rdso drg. no. skdp-1187 alt-2 consisting 06 items,repair kit for duplex check valve to rdso drg. no. skdp-1187 alt-2 consisting 06 items & 06 nos. as follows 1)check valve, item no.15b qty-01 no.2)spring item n. 17, qty-01 no3)piston valv e spring, item no.7 qty-01 no4)valve rubber seat, item no.11, qty-01 no.5) valve stem, item no.13, q ty-01 no.6)piston packing, item no. 8, qty-01 no.. [ warranty period: 30 months after the date of deli very ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]