A. Horizontal multitubular water tube boiler B. Water wall enclosed furnace type C. Vertical tubular fire tube type D. Horizontal multi-tubular fire tube type
A. Flue gases pass through tubes and water around it B. Water passes through the tubes and flue gases around it C. Forced circulation takes place D. Tubes are laid vertically
A. Supplied by same manufacturer loose and assembled at site B. Supplied mounted on a single base C. Purchased from several parties and packed together at site D. Packaged boiler does not exist