FAF 5400 / DILATATION EXPANSION JOINT
Consisting of two bellows are separated by an intermediate pipeline universal compensator.
Used for absorbing large lateral movements.
In general, after crossing points based on buildings with different floor exercises and building collapse, it is used to prevent damage to the existing pipeline.
The expansion joint allows large lateral movement in all planes, this movement can be increased by increasing the length of the central pipe.
Can take greater axial, lateral, and angular movements than a single tied expansion joint.
If the universal tied expansion joint is designed with only two tie rods, equally spaced @ 180 degrees, the expansion joint will take both lateral and angular movements.
To restrict the angular movement, four tie rods are provided at intervals of 90 degrees, around the circumference of the expansion joint.
If more than two tie rods are used then this kind of expansion joint will only take lateral movement.
Generally used in transition points of the buildings which have different base levels, in-ground movements, and to avoid pipeline damages after building collapses.
Usually are provided with control rods to distribute the movement equally between the two bellows.
Control rods are not designed to withstand pressure thrust.
Can be manufactured in flanged type (FAF5410) and welding type (FAF5420)
Stockpiled for quick delivery.
-20, +430 °C
Scope of Application
Fire fighting installations
Pumps & compressors
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