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On application, this type of Expansion Joint is mostly considered
on large duction system having low design pressure, including
gas turbine exhaust systems, turbine/ condenser connection,
flue gas duction and etc. Ducting systems are always subject
to thermal growth due to the temperature variation and surrounding
condition. SAMSUNGFLEX can provide for "V" and "U"
-profile in the cross sectional shape of bellow. In similar
with circular type metal expansion joint, the movement the rectangular
bellows can absorb is increased and the stiffness value is also
reduced as the number of bellows corrugation become larger,
but the stability against for internal pressure become lower.
According to the corner configurations, this type of expansion
joint is classified to "Rounded Corner","single
Mitered Corner", "Double Mitered Corner" and
"Camera Corner" as shown on figures respectively.
If the specification do not mention about the corner shape,
SAMSUNGFLEX prefer to recommend the "Rounded Corner"
with "U"-profile in the local stress aspect, which
is loaded on this corner area while operating, Above all, camera
corner is also having feature minimizing corner stress but it
has a relative smaller capability in absorbing movement and
also require a lot of labor cost on corner construction weld.
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