Fired heaters for CDU & VDU 

Heaters for Anqing SINOPEC 5,000 KTA CDU & VDU TOPICN13006 Vacuum Distillation Unit (VDU) Heaters Reformer Furnace Fired Heater A vacum charge heater is required to further distill the bottom residue of a CDU at higher temperature and a vacuum outlet pressure ranging from 0.3 kg/cm2(a) to 0.5 kg/cm2(a). Due to the vacuum outlet pressure, special care is required when selecting the tube size (the outlet tube size tends to be larger than inlet tube size).Waste Heat Boiler