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U.S. Bellows U.S. BELLOWS, INC.
METALLIC EXPANSION JOINT CATALOG
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Expansion Joint Data Tables
 
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Single Expansion Joint

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84 inch, 96 inch Nominal Diameter

Notes:

  1. Rated life cycle at 650°F is 3000 cycles for any one tabulated movement.
  2. To combine axial, lateral and angular movements, please refer to the how to order section.
  3. To increase cycle life or movements, please refer to graph on cycle life.
  4. Rated bellows extension is equal to rated axial movement. Provided bellows is precompressed the amount of design extension. Installed O.A.L. will decrease by the amount of precompression.
  5. Maximum test pressure: 1.5 X rated working pressure.
  6. Bellows rated for 650°F: See catalog flange data for appropriate flange temperature/pressure ratings.
  7. Torsional spring rate data provided only for modeling expansion joints on computer stress programs. Please consult factory for allowable torsional loadings.
  8. Overall lengths and weights for unrestrained expansion joints only. Consult factory for information regarding tied, hinged, or gimbal expansion joints.
  9. Pressure thrust load applied to adjacent pipe anchors/equipment when unrestrained expansion joints are used.

Diameter

Pressure

Overall Length and Weight

Non-concurrant

movements

Spring rates

Flanged

Ends

Weld

Ends

Combination

Ends

Axial

Lateral

Angular

Axial

Lateral

Angular

Torsional

O.A.L

WT.

O.A.L

WT.

O.A.L

WT.

Compression

PSIG

IN

LB

IN

LB

IN

LB

IN

IN

DEG

LB/IN

LB/IN

IN-LB/DEG

IN-LB/DEG

x 106

KG/CM2

MM

KG

MM

KG

MM

KG

MM

MM

GRAD

KG/MM

KG/MM

N-M/GRAD

N-M/GRAD

x 105

84

45

14

2089

16

332

15

1210

2.82

0.09

4

4716

820804

76404

169.9604

3.1

356

950

406

151

381

550

71.6

2.29

4

84

14689

7770.3

172.8497

Effective Area

22

2171

24

414

23

1292

5.65

0.35

8

2358

102601

38202

84.9802

559

987

610

188

584

587

144

8.89

8

42

1836

3885.1

86.4249

16,781 in2

30

2252

32

495

31

1374

8.47

0.79

10

1572

30400

25468

56.6535

108,264 cm2

762

1024

813

225

787

625

215

20.1

11

28

544

2590.1

57.6166

96

40

14

3400

16

378

15

1889

2.73

0.07

3

5398

1387244

113494

257.6974

2.8

356

1546

406

172

381

859

69.3

1.78

4

97

24825

11542.3

262.0783

Effective Area

22

3494

24

471

23

1982

5.56

0.29

7

2699

162399

56747

127.8144

559

1588

610

214

584

901

141

7.37

7

48

2906

5771.2

129.9873

19,743 in2

30

3587

32

565

31

2076

8.35

0.67

10

1799

47100

37831

84.9823

125,632 cm2

762

1630

814

257

787

944

212

17

11

32

843

3847.4

86.4270

Materials
Bellows: A240-T304. Alternate materials available upon request. Refer to the materials section.
Flanges: ASTM A105.
40-45 PSIG Series: 125 lb. Lt. Wt. FFSO
Plate flanges and angle flanges available for low pressure systems.
Pipe: ASTM A285-C.
40-45 PSIG Series: 0.375-inch wall.
Liners: A240-T304.
Covers: Carbon steel.
Tie Rods, Hinges, Gimbals: Carbon steel

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Our Parent Company: Piping Technology Pipe Supports, Pipe Clamps, Pipe Hardware & Insulated Pipe Shoes
Fellow Subsidiaries: Sweco Fab: ASME Vessels, Pig Launchers, Duct Work, Strainers & Spectacle Blinds
 Pipe Shields: Pre-Insulated Pipe Supports, Slides, Guides & Anchors

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: Snubbers, Sway Struts & Sway Braces


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