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Expansion joint(SFF,SFU)
Tied Expansion joint
(SFF-T,SFU-T)
Hinged Expansion joint
(SFHS,SFHD)
Gimbaled Expansion joint
(SFGS,SFGD)
Pressure balanced
(SFBL,SFBS)
Rectangular (SFQ-M)
 
 
 
 
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This is the simplest type of expansion joints having single bellows construction, to absorb the thermal expansion or contractin, from the adjacent pipelines. Depending upon the pressure rating, SAMSUNGFLEX can provide the reliable bellows design, i.e, un-reinforced, or reinforced type adapting reinforcing ring or equalizng ring outside the root of bellows convolution. This type requires the rigid fix point designed to withstand the thrust force and reaction spring force while operation.


1. Rated cycle life is 3000 cycles per EJMA 6th edition for any non-concurrent movement tabulated.
2. To combine axial, lateral movement refer to page 4.
3. Maximum axial extension movement is 50% of tabulated axial value.
4. To obtain greater movements of cycle life refer to page 4.
5. Catalogue pressure ratings are based upon a maximum bellows temperature 800¡ÆF
Actual operating temperature should always be specified.
6. Maximum test pressure: 11/2 ¡¿ maximum working pressure.
7. The overall length may be revised in accordance with the type of Expansion Joint and other attachment.
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In the structure, this type is containing two bellows joined by a center spool pipe and usually perform the function for the absorbing any combination of the three basic movements, i.e, axial movement, lateral offset and angular rotation.
In hardware device, control rods used to be considered on design for the purpose of distributing the movement between the two bellows of this Expansion Joint and not subjected to the bellows pressure thrust.

1. Rated cycle life is 3000 cycles per EJMA 6th edition for any non-concurrent movement tabulated.
2. To combine axial, lateral movement refer to page 4.
3. Maximum axial extension movement is 50% of tabulated axial value.
4. To obtain greater movements of cycle life refer to page 4.
5. Catalogue pressure ratings are based upon a maximum bellows temperature 800¡ÆF
Actual operating temperature should always be specified.
6. maximum test pressure: 1 1/2 ¡¿ maximum working pressure.
7. The overall length my be revised in accordance with the type of Expansion Joint and other attachment.