Workers stand pose for a photo in the four-tube “quad-pack” built for the U.S. Ohio Replacement-class and U.K. Successor-class. General Dynamics Electric Boat Photo via US Navy A problem with Columbia ...

A water wall boiler tube repair system for biomass boilers that precisely cuts tube panels without a HAZ (heat affect zone) and bevels for superior welding end preps has been introduced by Esco Tool ...

To comply with ever-tightening restrictions on emissions of NO X (NO, NO 2, and so on), special “low NO X ” burners have been installed in many coal-fired utility boilers. These special burners reduce ...