Once Through Boilers (OTB)

Once through boilers

Cycle Efficiency Reduced Footprint & Lower Cost 

With an optimized vertical design, John Cockerill’s Once Through Boilers (OTB) offer a reduced carbon footprint, higher cycle efficiency, and reduced emissions. 

We design small OTBs with dry running capability for gas turbines from 15 to 100 MW. These vertical OTBs offer superior operational flexibility and are designed to withstand unlimited daily start-ups and shutdowns of gas fired power plants. 

Minimizing Costs and Construction Time  

In response to today’s stringent needs, John Cockerill’s unique modular design maximizes the adaptability of its boilers to a wide range of industrial applications both on-shore and off-shore.  
This modular design offers the highest level of prefabrication, which allows a significant reduction of the construction time on-site and therefore meets the tightest deadlines. 

Accessibility and Reduced Maintenance Costs  

With their compact footprint, even when equipped with a Selective Catalytic Reduction (SCR) and a CO catalyst, our once-through boilers are designed to offer better accessibility and reduced maintenance costs.