supply of control valve for guwahati refinery revamp of cdu, nsf and nsu of ms indian oil corporation limited iocl, india supply of control valve for guwahati refinery revamp of cdu, nsf and nsu of ms indian oil corporation limited iocl, india , supply of valves including design, engineering, manufacturing, assembly, painting, inspection and testing, packing, forwarding and supply at site, supply of control valves, mandatory spares, commissioning spares, two year operational and maintenance spares, tool & tackles ( if any ) . , controlvalve globe , controlvalve globe , controlvalve globe , controlvalve -butterfly ( full bore type ) , controlvalve -butterfly ( full bore type ) => limited