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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

 

16 inch Nominal Diameter

Effective (Thrust) Area: 236.31 in2 (1524.20 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

16

75

12

131

18

60

15

95

3.52

0.65

10

421

2090

274

0.5297

5.3

305

59.5

457

27.3

381

43.2

89.4

16.5

11

8

37

27.9

0.5387

50

18

139

24

68

21

103

6.04

1.8

10

263

491

171

0.3297

3.5

457

63.2

610

30.9

46.8

1.53

45.7

11

11

5

9

17.4

0.3353

25

24

147

30

76

27

112

8.95

3.71

10

191

186

125

0.2393

1.8

610

66.8

762

34.5

686

50.9

22.7

94.2

11

3

3

12.7

0.2434

16

200

12

213

15

62

14

137

1.40

0.2

10

2469

22616

1612

1.2211

14.1

305

96.8

381

28.2

356

62.3

37.6

5.08

11

44

405

163.9

1.2419

200

18

226

21

75

20

150

2.75

0.69

10

1329

3531

868

0.6575

14.1

457

103

533

34.1

508

68.2

69.9

17.5

11

24

63

88.3

0.6687

150

24

239

27

88

26

163

4.21

1.54

10

910

1131

594

0.4499

10.5

610

109

686

40

660

74.1

107

39.1

11

16

20

60.4

0.4575

16

400

12

408

14

73

13

240

1.15

0.12

8

5789

86365

3800

1.5335

28.1

305

185

356

33.2

330

109

29.2

3.05

8

104

1546

386.5

1.5596

400

18

433

20

98

19

265

2.36

0.52

10

2894

9877

1900

0.7591

28.1

457

197

508

44.5

483

120

59.9

13.2

11

52

177

193.2

0.7720

400

24

458

26

123

25

291

3.6

1.21

10

1930

2844

1267

0.5044

28.1

610

208

660

55.9

635

132

91.4

30.7

11

35

51

128.9

0.5130

Materials
Bellows: A240-T304. Alternate materials available upon request. Refer to the materials section.
Flanges: ASTM A105.
25-75 PSIG Series: 150 lb. ANSI B16.5 RFSO.
150-200 PSIG Series: 150 lb. ANSI B16.5 RFSO.
400 PSIG Series: 300lb ANSI B16.5 RFSO.
Plate flanges and angle flanges available for low pressure systems.
Pipe: ASTM A53/A106.
25-75 PSIG Series: Std. Wt. Pipe.
150-200 PSIG Series: Std. Wt. Pipe.
400 PSIG Series: Std. Wt. Pipe.
Liners: A240-T304.
Covers: Carbon steel.
Tie Rods, Hinges, Gimbals: Carbon steel

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