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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

 

36 inch Nominal Diameter

Effective (Thrust) Area: 1110.13 in2 (7160.34 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

36

50

12

504

16

137

14

321

3.98

0.3

10

619

18098

1902

5.7447

3.5

305

229

406

62.3

356

146

101

7.62

11

11

324

13.4

5.8424

50

18

525

22

159

20

342

6.8

0.88

10

371

3731

1141

3.4318

3.5

457

239

559

72.3

508

155

173

22.4

11

7

67

116.0

3.4902

40

24

547

28

180

26

364

9.62

1.75

10

265

1333

815

2.4467

2.8

610

249

711

81.8

660

165

244

44.5

11

5

24

82.9

2.4883

36

135

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

16

152

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

2.25

0.16

7

2854

94308

8779

10.3761

9.5

406

69.1

57.2

4.06

8

51

1688

892.8

10.5525

135

22

186

3.93

0.49

10

1631

17597

5016

5.9292

9.5

559

84.5

99.8

12.4

11

29

315

510.1

6.0300

135

28

220

5.61

1

10

1142

6036

3511

4.1504

9.5

711

100

142

25.4

11

20

108

357.1

4.2210

36

250

16

232

2.15

0.15

7

5720

189490

17639

10.7863

17.6

406

105

54.6

3.81

7

102

3391

1793.9

10.9697

250

22

298

3.77

0.47

10

3269

35357

10079

6.1636

17.6

559

135

95.8

11.9

11

59

633

1025.0

6.2684

250

28

364

5.38

0.95

10

2288

12127

7055

4.3145

17.6

711

165

137

24.1

11

41

217

717.5

4.3879

Materials
Bellows: A240-T304. Alternate materials available upon request. Refer to the materials section.
Flanges: ASTM A105.
40-50 PSIG Series: 125 lb Lt. Wt. FFSO.
For 135 psig and 250 psig Series: Customer to specify actual flanges required.
Plate flanges and angle flanges available for low pressure systems.
Pipe: ASTM A285-C.
40-50 PSIG Series: 0.375-inch wall.
135 PSIG Series: 0.375-inch wall.
250 PSIG Series: 0.500-inch wall.
Liners: A240-T304.
Covers: Carbon steel.
Tie Rods, Hinges, Gimbals: Carbon steel

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