Recommended boiler exhaust velocities.
| Exhaust Gas from Boiler | Recommended Boiler Exhaust Velocity |
|---|
| m/s | ft/s |
|---|
| Ducts at minimum load |
< 4.0 |
< 13 |
| Stack at minimum load |
< 5.0 |
< 16 |
| Boiler with one-step burner (on - off) |
5.0 - 8.0 |
16 - 26 |
| Boiler with two-step burner (high - low) |
10 - 15 |
31 - 49 |
| Boiler with modulating burner |
15 - 25 |
49 - 82 |
| To keep the surface free from soot the velocity should exceed |
3.0 - 4.0 |
9.8 - 13 |
Related Topics
Boiler house topics, fuels like oil, gas, coal, wood - chimneys, safety valves, tanks - combustion efficiency.
Related Documents
Translate
About the Engineering ToolBox!
We don't collect information from our users. Only emails and answers are saved in our archive. Cookies are only used in the browser to improve user experience.
Some of our calculators and applications let you save application data to your local computer. These applications will - due to browser restrictions - send data between your browser and our server. We don't save this data.
Google use cookies for serving our ads and handling visitor statistics. Please read
Google Privacy & Terms
for more information about how you can control adserving and the information collected.
AddThis use cookies for handling links to social media. Please read
AddThis Privacy
for more information.
Citation
This page can be cited as
-
The Engineering ToolBox (2003). Boiler - Exhaust Velocity. [online] Available at: https://www.engineeringtoolbox.com/boiler-exhaust-velocity-d_389.html [Accessed Day Month Year].
Modify access date.
.
.
