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| Expansion Joint Data Tables |
- Single Expansion Joints
- Universal Expansion Joints
- 3, 3.5, 4 Inch Universal Expansion Joints
- 5, 6, 8 Inch Universal Expansion Joints
- 10, 12, 14 inch Universal Expansion Joints
- 16, 18, 20 Inch Universal Expansion Joints
- 22, 24, 26 Inch Universal Expansion Joints
- 28, 30, 32 Inch Universal Expansion Joints
- 34, 36, 38 Inch Universal Expansion Joints
- 40, 42 Inch Universal Expansion Joints
- 44, 46, 48 Inch Universal Expansion Joints
- 50 through 72 inch Universal Expansion Joints
- 84 through 144 Inch Unvirsal Expansion Joints
- Externally Pressurized Expansion Joints
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| U.S. Bellows Request for Quotation |
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Single Externally Pressurized (X-Flex) Expansion Joint |
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Externally Pressurized Expansion Joint |
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300# Design
12 inch Through 24 inch Nominal Diameter
Notes:
- Rated life cycle at 650°F is 1000 cycles for full rated movement shown above.
- To increase cycle life or movements, please refer to graph on cycle life.
- Expansion joint is capable of taking 10% of rated movement as extension, with remaining 90% as axial compression.
- Maximum test pressure: 1.5 X rated working pressure.
- Bellows rated for 650°F: See catalog flange data for appropriate flange temperature/pressure ratings.
- Maximum installation misalignment is ±1/4-inch axial and ±1/16-inch lateral.
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Size |
Axial
Movement |
Spring
Rate |
Overall Length |
Weight |
Effective Area |
Shell Outside Diameter |
Anchor Foot Height |
Anchor Foot Type |
Flanged
Ends |
Weld
Ends |
in. |
lb./in. |
in. |
lb. |
lb. |
in.2 |
in. |
in. |
mm |
kg/mm |
mm |
kg |
kg |
kg/cm2 |
mm |
mm |
12 |
4 |
1854 |
30 |
563 |
333 |
181.96 |
18.000 |
Please
consult
factory
regarding
anchor
foot
usage
on single
X-flex |
102 |
33.2 |
762 |
256 |
151.36 |
82.71 |
457 |
8 |
927 |
49 |
763 |
533 |
181.96 |
18.000 |
203 |
16.6 |
1245 |
347 |
242.27 |
82.71 |
457 |
14 |
4 |
2028 |
30 |
695 |
365 |
213.07 |
20.000 |
102 |
36.3 |
762 |
316 |
165.91 |
96.85 |
508 |
8 |
1014 |
49 |
919 |
589 |
213.07 |
20.000 |
203 |
18.1 |
1245 |
418 |
267.73 |
96.85 |
508 |
16 |
4 |
1770 |
30 |
836 |
456 |
271.60 |
24.000 |
102 |
31.7 |
762 |
380 |
207.27 |
123.45 |
610 |
8 |
885 |
48 |
1078 |
698 |
271.60 |
24.000 |
203 |
15.8 |
1219 |
490 |
317.27 |
123.45 |
610 |
18 |
4 |
1986 |
26 |
948 |
448 |
333.16 |
24.000 |
102 |
35.5 |
660 |
431 |
203.64 |
151.44 |
610 |
8 |
993 |
30 |
1211 |
711 |
333.16 |
24.000 |
203 |
17.8 |
762 |
550 |
323.18 |
151.44 |
610 |
20 |
4 |
2200 |
31 |
1338 |
708 |
401.01 |
30.00 |
102 |
39.4 |
787 |
608 |
322 |
182.28 |
762 |
8 |
1100 |
49 |
1645 |
1015 |
401.01 |
30.00 |
203 |
19.7 |
1245 |
748 |
461 |
182.28 |
762 |
24 |
4 |
2630 |
32 |
1594 |
644 |
555.55 |
30.00 |
102 |
47.1 |
813 |
725 |
293 |
252.52 |
762 |
8 |
1315 |
50 |
1936 |
986 |
555.55 |
30.00 |
203 |
23.5 |
1270 |
880 |
448 |
252.52 |
762 |
Materials
Bellows: A240-T304. Alternate materials available upon request. Refer to the materials section.
Flanges: ASTM A105.
300 lb ANSI B16.5 RFSO.
Pipe: ASTM A53/A106
Shell: ASTM A53/A106; API-5L
Rings: ASTM A285-C.
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