procurement of different knife gate valves (kgv) for installation at rotary feeder- 4b and 5a and running maintenance of ahp under ahp-mm, bktpp , knife gate valve # size- 300 nb,cylinder operated,ahp-i# for ash slurry disposal,make-vaas additional data: 1. valve to be supplied with cylinder. 2. process fluid: dry fly ash and to be used in silo unloading point for loading of ash browser. 3. type of valve: supplied v/v shall be unidirectional and shall be supplied with deflection cone and gasket. , kgv,200nb,cylinder operated # vaas # for bottom ash line (ahp) additional data: 1. valve to be supplied with cylinder. 2. process fluid: ash slurry and to be used in ba discharge line. 3. type of valve: supplied v/v shall be bi-directional and shall be supplied with deflection cone and gasket. , knife gate valve 250 nb (wheel operated) # additional data: 1. supplied valve shall be manual chain & wheel operated type. 2. process fluid: dry fly ash. 3. valve shall be supplied with deflection cone and gaskets. , gate valve,250nb knife # vaas stage-i,fig.950,drilled to suit ansi b16.5 class150 flanges,body:cf8,gate:ss-304,actr:cw# for eco hopper,make-vaas additional data: 1. valve to be supplied with a cylinder. 2. process fluid: dry fly ash. 3. type of valve: supplied v/v shall be unidirectional and shall be supplied with deflection cone and gasket.