Fabric Expansion Joints consist of prefabricated bellows that absorb thermal expansions and vibrations – to hold parts together and to allow movements – as well as to compensate misalignments. They are mainly flexible connections in air, flue gas pipes and exhaust duct systems found in all kinds of industries.
Fabric Expansion Joints and Bellows
When selecting Fabric Expansion Joints for specific applications, the following parameters must be considered so that it can either prevent the air from coming in or going out :
We provide two main types of Fabric Expansion Joints:
Q-Flex Expansion Joints | Q-Chem Expansion Joints |
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Can be made in all kinds of shapes and designs as it is very flexible | Manufactured through the selection of appropriately resistant materials and heat-sealed for tightness |
Joints supplied are prefabricated including the steel frames and flow plates | Unique shape of the joints is obtained from the special base material used |
Q-Flex Expansion Joints | Q-Chem Expansion Joints |
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Specially designed for applications with low to moderate concentrations of aggressive components in flue gases of 250°C up to 1370°C | Specially designed for applications in which resistance against wet flue gasses and high acid content is critical |
Available in three standard classifications : ✔ Q-Flex LT up to 250°C (482°F) ✔ Q-Flex MT up to 500°C (932°F) ✔ Q-Flex HT up to 1370°C (2498°F) |
Available in four standard classifications: ✔ Q-Chem LT up to 250°C (482°F) ✔ Q-Chem MT up to 540°C (1004°F) ✔ Q-Chem HT up to 1370°C (2498°F) ✔ Q-Chem GTX up to 650°C (1202°F) (specially developed for gas turbine outlets) |
Expansion Bellows – Wearflex® | Conventional Method |
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Very flexible – able to handle bellows that expand and contract | Not flexible – can tear in the long run as bellows expand and contract |
Can handle aggressive components | Might not be able to handle aggressive components |
Firstly, some details are considered such as:
The data are then used to design & fabricate Expansion Bellows in our factory and shipped to our clients.