supply of pneumatic butterfly and ball valves for cpu system , supply of pneumatic butterfly and ball valves for cpu system make: emerson india brand keystone or equivalent as per details given in annexure 1 & 1a , butterfly valve : pneumatically operated type: wafer body: carbon steel wcb, disc-316 ss, shaft 17-4 ph, bearing gfil, seat: rtfe, rating-ansi class-300, size: 3 service condition: valves are to be installed / used in cpu ( condensate polishing unit ) system for treating condensate water in thermal power plant ( operating pressure & temperature : 30 kg / cm2, 55 deg c ) . , ball valve: pneumatically operated type: spilit body flanged ball valve seat: ptfe, class: 300 body wcb ball: astm a351 gr cf8m shaft: a276 type 316 size: 3 end connection: flange end no. of holes: 08 service condition: valves are to be installed / used in cpu ( condensate polishing unit ) system for treating condensate water in thermal power plant ( operating pressure & temperature : 30 kg / cm2, 55 deg c ) . , ball valve: pneumatically operated type: spilit body flanged ball valve seat: ptfe, class: 300 body: wcb ball:astm a351 gr cf8m shaft: a276 type 316 size: 1.5 end connection: flange end no. of flange hole : 04 service condition: valves are to be installed / used in cpu ( condensate polishing unit ) system for treating condensate water in thermal power plant ( operating pressure & temperature : 30 kg / cm2, 55 deg c ) . , complete ball valve: manual lever operated type: spilit body flanged ball valve size:2 body: wcb ball: astm a351 gr cf8m shaft: a276 type 316 seat-ptfe, class-300, end connection: flange end no. of flange hole : 08 service condition: valves are to be installed / used in cpu ( condensate polishing unit ) system for treating condensate water in thermal power plant ( operating pressure & temperature : 30 kg / cm2, 55 deg c ) .