Typical readings for furnace and boiler burners and heat exchangers, plus measurement procedures. ATMOSPHERIC DRAFT GAS-FIRED BURNERS ; Efficiency: 75 to 80 percent. Oxygen: 7 to 9 percent. CO2: 6.5 ...

American Plant Maintenance (APM Steam), a leading provider of steam systems maintenance services, highlights its heat exchanger assessment and testing service, which ensures a comprehensive ...