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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

 

32 inch Nominal Diameter

Effective (Thrust) Area: 886.47 in2 (5717.73 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

32

50

12

440

16

122

14

281

3.98

0.34

10

549

12811

1346

4.0372

3.5

305

200

406

55.5

356

128

101

8.64

11

10

229

136.9

4.1059

50

18

459

22

141

20

300

6.8

0.98

10

329

2641

808

2.4118

3.5

457

209

559

64.1

508

136

173

24.9

11

6

47

82.2

2.4528

35

24

478

28

160

26

319

9.62

1.96

10

235

944

577

1.7195

2.5

610

217

711

72.7

660

145

244

49.8

11

4

17

58.7

1.7487

32

135

Customer to specify flange configuration. Weights and O.A.L. will be furnished upon receipt of this information.

16

135

Customer to specify flange configuration. Weights and O.A.L. will be furnished upon receipt of this information.

2.26

0.18

8

2531

66771

6215

7.2947

9.5

406

61.4

57.4

4.57

9

45

1195

632.1

7.4168

135

22

165

3.96

0.55

10

1446

12459

3552

4.1684

9.5

559

75

101

14

11

226

223

361.2

4.2393

135

28

196

5.66

1.13

10

1013

4273

2486

2.9179

9.5

711

89.1

144

28.7

11

18

76

252.8

2.9675

32

290

16

206

2.11

0.17

7

5074

134238

12495

7.5907

20.4

406

93.6

53.6

4.32

8

91

2402

1270.7

7.7197

290

22

265

3.7

0.51

10

2900

25047

7140

4.3375

20.4

559

120

94

13

11

52

448

726.1

4.4113

290

28

323

5.28

1.05

10

2030

8591

4998

3.0363

20.4

711

147

134

26.7

11

36

154

508.3

3.0879

Materials
Bellows: A240-T304. Alternate materials available upon request. Refer to the materials section.
Flanges: ASTM A105.
30-50 PSIG Series: 125 lb. Lt. Wt. FFSO.
For 135 psig and 290 psig SeriesL Customer to specify actual flanges required.
Plate flanges and angle flanges available for low pressure systems.
Pipe: ASTM A285-C.
35-50 PSIG Series: 0.375-inch wall.
135 PSIG Series: 0.375-inch wall
290 PSIG Series: 0.500-inch wall
Liners: A240-T304.
Covers: Carbon steel.
Tie Rods, Hinges, Gimbals: Carbon steel

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