A Quick Word on Emergency Venting of Day Tanks

When installing fuel tanks inside buildings, per the International Fire Code, all tank vents should be taken to the exterior, except in the case of “protected” tanks (UL2085 listed tanks), which are allowed to have emergency vents terminated inside. The section of the 2018 IFC related to tank venting can be found here. Below is … Read more

How to Design Exhaust Pipe Penetrations Through a Wall or Roof

Exhaust pipe thimbles are the cleanest way to handle exhaust pipe penetrations through walls or roofs. Thimbles are designed to isolate the hot exhaust pipe from the structure, and to allow for a better termination at these penetrations. Important: Where the exhaust piping penetrates through a structure made of combustible materials, exhaust pipe thimbles are required by … Read more

What’s the Difference Between Exhaust Flex Connectors and Bellows?

Exhaust Section

Every emergency generator application includes an exhaust system designed to route exhaust gases out of the engine room. These exhaust systems consist of piping, elbows and, very importantly, flexible sections that must be used to account for the engine’s vibration, and also for the pipe growth experienced as the exhaust gases quickly rise to 800°F and more. If you are designing the exhaust system for an emergency generator, this article may keep you from making one of the most common mistakes that I see in the field.