procurement of mechanical spares of primary s le racks (sepl make) for swas installed at 2x660mw, unit 3&4, sstpp, dongalia.(m.p). , sample cooler (model no: - sc-4-12-ss) shell and tube type,shell (cooling water) design : tube coil in shell counter flow mounting : surface material : astm a312, tp-304 design pressure: 10 barg,test pressure: 15 barg max. cw pressure: 10 barg,baffle material : astm a312, tp-304,length: - 330 mm,outer dia: - 104 mm inner dia: - 94 mm,coil (sample) material : ss316 . (ibr) tube od x thickness: 1/4” od, 18 swg, ss316 test pressure : 475 bar,design temperature: 675°c sample pressure : 330 bar,sample temp. max : 620 °c. area 2.4 sq. ft and above for sc-4-12-ss no. of coil turns:- 27x2 round,cooling water pressure : 6 bar,temperature: 36 ~ 44 ºc. flow : 7050 lph (max) connection,sample inlet : ¼” od,sample outlet: ¼” od cooling water: 3/4” npt(f), drain connection: 1/4” npt(f) (at the bottom for pressure relief valve) , sample cooler (model no: -sc-6-18-ss),s