The D-type is a 100% membrane water-cooled furnace, reducing costly, time-consuming, annual maintenance. The front and rear walls are welded and refractory-free, as well as the burner throat, when integrated with our Natcom® burner. D-type boilers can be customized to provide superheated steam. 

• 10,000 to 500,000 lb/hr, Design pressure up to 1,800 psig  

•  Steam temperatures to 1,050°F 
• Natural Gas, #2 and #6 oil, refinery fuels, alternative fuels, combination