Supply Of "main Fuel Gas Trip Valves, Item No. 1, Tag Nos. 21-uv-2001& 21-uv-2003, Line Size: 3"", As Per Spec No.7916-pr-97-500-005", "pilot Gas Trip Valves, Item No. 2, Tag Nos. 21-uv-2004 & 21-uv-2005, Line Size: 1"", As Per Spec No.7916-pr-97-500-005" (EXPIRED)