Ship Gas Vacuum Water Tube Boiler Deal
Vacuum Boilers Wholesale, Boiler Suppliers - Alibaba. Oil&Gas Fired Vacuum Boiler 1,The Boiler has a compact structure,and looks beautiful. 1. Vacuum hot water boiler in the lower part of the structure formed by the combustion chamber and heat transfer tubes; on the part of the vacuum chamber, which inserts the U-line tube bundle heat exchanger.