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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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Single Metallic Expansion Joint Technical Drawing   Single Metallic Expansion Joint Technical Drawing  

Single Weld End

Single Flanged End

 
    Single Metallic Expansion Joint technical drawing  
   

Single Flanged Weld End

 

60 inch, 66 inch, 72 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 overall length 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

Overall Length

Weight

Overall Length

Weight

Overall Length

Weight

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

60

60

13

1343

16

236

15

789

2.65

0.11

5

3353

345665

28280

63.0276

4.2

330

610

406

107

381

359

67.3

2.79

5

60

6186

2876.1

64.0991

Effective Area

21

1401

24

294

23

848

5.31

0.44

10

1677

40465

14140

31.2608

533

637

610

134

584

385

135

11.2

11

30

724

1438.0

31.7923

3036 in2

29

1459

32

353

31

906

8.14

1.03

10

1118

11736

9427

20.7850

19,587 cm2

737

663

813

160

787

412

207

26.2

11

20

210

958.7

21.1383

66

55

13

1569

16

260

15

914

2.67

0.1

5

3694

457820

37455

83.8532

3.8

330

713

406

118

381

415

67.8

2.54

5

66

8193

3809.2

85.2787

Effective Area

21

1633

24

324

23

978

5.45

0.41

9

1847

53595

18728

41.5901

533

742

610

147

584

445

1.38

10.4

10

33

959

1904.6

42.2971

3650 in2

29

1697

32

388

31

1043

8.17

0.94

10

1231

15544

12485

27.6527

23,550 cm2

737

771

813

176

787

474

208

23.9

11

22

278

1269.7

28.1228

72

50

13

1775

16

283

15

1029

2.7

0.09

4

4035

591934

48428

108.8247

3.5

330

807

406

129

381

468

68.6

2.29

5

72

10593

4925.1

110.6748

Effective Area

21

1845

24

53

23

1099

5.51

0.38

9

2017

69295

24214

53.9756

533

839

610

160

584

500

140

9.65

9

36

1240

2462.6

54.8932

4321 in2

29

1915

32

423

31

1169

8.26

0.87

10

1345

20097

16143

35.8877

27,877 cm2

737

870

813

192

787

531

210

22.1

11

24

360

1641.7

36.4978

Materials
Bellows: A240-T304. Alternate materials available upon request. Refer to the materials section.
Flanges: ASTM A105.
50-60 PSIG Series: 125 lb. Lt. Wt. FFSO.
Plate flanges and angle flanges available for low pressure systems.
Pipe: ASTM A285-C.
50-60 PSIG Series: 0.375-inch wall.
Liners: A240-T304.
Covers: Carbon steel.
Tie Rods, Hinges, Gimbals: Carbon steel

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