# Techeat expansion range
Control your combustion through better sealing of your installation with the new Techeat expansion® range.
Some critical zones like manhole, inspection hatch, crossover inlet, coil outlet…need to be properly sealed to limit unwanted air in the furnaces. These actions will have a direct and immediate impact on your operating cost and will decrease the atmospheric emissions.
 Techeat Expansion® C.54 - 1 fastening point : oven casing- Sliding type seal |  Techeat Expansion® S.21 - 2 fastening points : Oven casing & tube |
For most of them various solutions exists and are in place but regarding the crossover inlet/ coil outlet the constraints of tube radial and axial expansion as well as thermal (150°c up to 1200°c), are to be taken in consideration.
The Techeat Expansion® range is dedicated to those mechanical/thermic constraints and is easy-to-fit without training.
Our technical team will study your specific application on site in order to propose you the best dedicated solution.
| Oven BA 101 Petroineos Lavera / France
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