Water tube boiler
superheated steamsaturated steamgas

water tube boiler
water tube boiler
water tube boiler
water tube boiler
water tube boiler
water tube boiler
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superheated steam, saturated steam
Power source
gas, fuel oil
water tube
Steam production

Min.: 4.5 t/h (2.76 lb/s)

Max.: 80 t/h (48.99 lb/s)


Min.: 0 bar (0 psi)

Max.: 80 bar (1,160.3 psi)


As one of the oldest forms of steam boiler, originally dating back to the eighteenth century, Water Tube Boilers have progressed from powering small stationary steam engines and steam trains to being the powerhouse of large demanding processes with the capacity to provide very substantial outputs. They provide high quality steam, from dry saturated to high temperature superheated and, due to the heat exchanger design, have the ability to also provide very high operating pressures. They are suitable for applications requiring high steam output (up to 80 t/h), high pressure steam (up to 80 bar) or superheated steam (up to 550°C). Babcock Wanson has an experienced team of engineers to design Water Tube Boilers to meet your specific application, with mechanical staff and technicians able to assist with and arrange the installation works and carry out the boiler commissioning. Operating Principle: A water tube boiler is typically formed of four parts, a lower feed water drum – sometimes known as a mud drum – an upper steam drum with water surface from which the steam is evolved, water tubes connecting the two drums together and a super heater / economiser section (depending on the quality of steam required). Water circulates by convection between the two drums with the heat passing over the banks of tubes. Cooled water passes down specific tubes and the reheated water rises to the top of the boiler into the steam drum. Saturated steam is drawn off the top of the drum for export to the user or passed through a subsequent superheater within the exhaust gas stream to raise the temperature further.


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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.