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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

 

22 inch Nominal Diameter

Effective (Thrust) Area: 432.67 in2 (2790.72 cm2)

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

22

60

12

171

17

82

15

127

3.64

0.44

10

487

5534

582

1.4134

4.2

305

77.7

432

37.3

381

57.7

92.5

11.2

11

9

99

59.2

1.4374

60

18

184

23

94

21

139

6.07

1.25

10

292

1141

349

0.8441

4.2

457

83.6

584

42.7

533

63.2

154

31.8

11

5

20

35.5

0.8584

30

24

196

29

107

27

151

9.48

2.77

10

209

408

249

0.6017

2.1

610

89.1

737

48.6

686

68.6

2.41

70.4

11

4

7

25.3

0.6119

22

165

12

391

14

84

13

237

1.45

0.12

7

2994

74513

3583

3.4407

11.6

305

178

356

38.2

330

108

36.8

3.05

8

54

1333

364.4

3.4992

165

18

411

20

103

19

257

2.41

0.49

10

1497

8922

1792

1.7127

11.6

457

187

508

46.8

483

117

73.9

12.4

11

27

160

182.2

1.7419

165

24

430

26

123

25

276

4.36

1.1

10

998

2606

1194

1.1401

11.6

610

195

660

55.9

635

125

111

27.9

11

18

47

121.4

1.1595

22

350

12

769

12

112

12

441

0.92

0.05

5

9012

465407

10831

5.3572

24.6

305

350

305

50.9

305

200

23.4

1.27

5

161

8329

1101.5

5.4483

350

18

807

18

150

18

478

2.3

0.33

10

3605

29786

4332

2.1429

24.6

457

367

457

68.2

457

217

58.4

8.38

11

65

533

440.6

2.1793

350

24

844

24

187

24

516

3.69

0.84

10

2253

7272

2708

1.3393

24.6

610

384

610

85

610

235

93.7

21.3

11

40

130

275.4

1.3621

Materials
Bellows: A240-T304. Alternate materials available upon request. Refer to the materials section.
Flanges: ASTM A105.
30-60 PSIG Series: 125 lb. Lt. Wt. FFSO
165 PSIG Series: 150 lb. ANSI B16.5 RFSO
350 PSIG Series: 300 lb. ANSI B16.5 RFSO
Plate flanges and angle flanges available for low pressure systems.
Pipe: ASTM A53/A106/285-C.
30-60 PSIG Series: 0.375-inch Wall
165 PSIG Series: 0.375-inch wall.
350 PSIG Series: 0.500-inch wall.
Liners: A240-T304.
Covers: Carbon steel.
Tie Rods, Hinges, Gimbals: Carbon steel

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