A-A-59222, COMMERCIAL ITEM DESCRIPTIONS (CIDS: FANS, CENTRIFUGAL, DRAFT, FORCED AND INDUCED (18-MAY-1998) [SUPERSEDING W-F-2723]

A-A-59222, COMMERCIAL ITEM DESCRIPTIONS (CIDS: FANS, CENTRIFUGAL, DRAFT, FORCED AND INDUCED (18-MAY-1998) [SUPERSEDING W-F-2723]., This commerical item description (CID) covers centrifugal fans used in low-pressure boilers (less than 15 pounds per square inch (psi ) (103 kilopascal (kPa) operating pressure) and in medium and high pressure (greater than 15 psi (103 kPa) operating pressure) (coal, oil, and gas fired) power boiler plant systems.