Posted by Tony Conner on January 06, 2002 at 12:54:28:
In Reply to: economizer piping posted by rick ratliff on January 06, 2002 at 10:08:41:
Look in the ASME B31.1 Power Piping Code at the section "Near Boiler Piping". Depending upon what the local inspection authorities may say, and the pressures involved, ALL feedwater pipe, fittings, and valves are covered under this code, along with blow down lines, etc.