bids are invited for spares for centrifugal pump total quantity : 130; 1 300014188 volute casing for centrifugal pump model 1 1/2 x 1-7 a) specification : as per drg 450-m-311 b) service conditions :sulphuric acid / nitric acid pump speed= 3000 rpm, c) material of construction: 1) alloy 20 conforms to a 351 cn7m notes: 1) materila test certificate from nabl / govt approved laboratory , insapection and testing reports , rcf shall perform the pmi test to varifyi the material. 2) vendor shall mark the name/ logo/ year of mfg./ part no/ code no etc. 3) packing for the safe trasportation. as per tender no 2 300014196 stuffing box cover for centrifugal pump model 1 1/2 x 1-7 a) specification : as per drg 450-m-281 b) service conditions :sulphuric acid/nitric acid pump speed= 3000 rpm, c) material of construction: 1) alloy 20 a 351 cn7m notes: 1) stuffing box cover shall be defect free and single piece and tolrences within the limit of iso -5199. 2) materila test certificate from nabl / govt approved laboratory , insapection and testing reports , rcf shall perform the pmi test to varifyi the material. 3) vendor shall mark the name/ logo/ year of mfg./ partno/ code no etc. on shaft and sleev 4)packing for the safe trasportation. as per tender no 3 300011555 impeller (dia. 7) for centrifugal pump model 1 1/2 x 1-7 a) specification : as per drg 450-m-369 b) service conditions :sulphuric acid / nitric acid pump speed= 3000 rpm, c) material of construction: 1) alloy 20 a 351 cn7m notes: 1) impeller shall be defect free and single piece without any welding other then balcing weight and tolrences within the limit of iso -5199. 2) impeller shall be dyanamically baalced as per iso 1940-1 grade 2.5. 3) materila test certificate from nabl / govt approved laboratory , insapection and testing reports , rcf shall perform the pmi test to varifyi the material and review the balancing certificate. 4) vendor shall mark the name/logo/year of mfg./partno/code no etc. o 5)packing for the safe trasportation. as per tender no 4 300011560 shaft for centrifugal pump model 1 1/2 x 1-7 with one set of washer, lock nut & key.as per drg.no. 451-m-61, mk n o. 1, 2, 3,and 4. a) specification : as per drg 451-m-61 b) service conditions : sulphuric acid / nitric acid pump speed= 3000 rpm, c) material of construction: 1) shaft (part no-1) = astm a 276 ss304 2) key (part no-2) = astm a 276 ss304 3)lock nut (part no-3) = alloy 20 a 351 cn7m 4) lock washer (part no-4) = alloy 20 a 351 cn7m notes: 1) shaft shall be defect free and single piece with runout and tolrences of the parts within the limit of iso -5199. 2) materila test certificate from nabl / govt approved laboratory , insapection and testing reports , rcf shall perform the pmi test to varifyi the material. 3) vendor shall mark the name/ logo/ year of mfg./ partno/ code no etc. on shaft and sleev 4)packing for the safe trasportation. as per tender no 5 300011561 shaft sleeve alloy-20 / a-351 cn7m as per drawing no. 4 51-m-61, mk no.5. as per tender no