procurement of hpbp spray water stop valve and its spares installed at unit 3 and 4 at 2x660mw sstpp, stage-ii, mppgcl, dongalia. , hpbp spray water stop valve and its spares , complete replaceable seat type upgraded equivalent valve for hpbp spray water stop valve with details below currently installed at site: hp bypass spray water stop valve dn 150/150, fab no 16203853-1/-2.30 , design data: inlet 335 ksc, 220 deg c, outlet 335 ksc 220 deg c, body: dn 150, note: the valve should suit and match in all aspects with the existing installed actuator. , commissioning kit and two year spare part set (seal set) for replaceable seat type hpbp spray water stop valve a)hp bypass spray water stop valve replaceable seat type item pos 02 seat gasket b)hp bypass spray water stop valve replaceable seat type item pos 03 seat c)hp bypass spray water stop valve replaceable seat type item pos 04 valve stem d)hp bypass spray water stop valve replaceable seat type item pos 05 bonnet gasket e)hp bypass spray water stop valve replaceable seat type item pos 40 gland packing ring f) hp bypass spray water stop valve replaceable seat type item pos 41 gland packing graphite/ptfe