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U.S. Bellows U.S. BELLOWS, INC.
METALLIC EXPANSION JOINT CATALOG
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Expansion Joint Data Tables
 
U.S. Bellows Request for Quotation

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

 

40 inch Nominal Diameter

Effective (Thrust) Area: 1358.92 in2 (8771.48 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

40

45

12

598

16

153

14

375

3.98

0.27

10

689

24670

2592

7.8763

3.2

305

272

406

69.5

356

170

101

6.86

11

12

441

263.6

8.0102

45

18

622

22

177

20

399

6.8

0.79

10

413

5086

1555

4.7052

3.2

457

283

559

80.5

508

181

173

20.1

11

7

91

158.1

4.7852

45

24

645

28

200

26

423

9.62

1.58

10

295

1818

1111

3.3546

3.2

610

293

711

90.9

660

192

244

40.1

11

5

33

113.0

3.4117

40

120

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

16

169

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

2.29

0.15

6

3177

128531

11964

14.2220

8.4

406

76.8

57.2

3.81

7

57

2300

1216.7

14.4638

120

22

207

4.01

0.45

10

1815

23983

6837

8.1269

8.4

559

94.1

102

11.4

11

32

429

695.3

8.2650

120

28

245

5.73

0.92

10

1271

8226

4786

5.6888

8.4

711

111

146

23.4

11

23

147

486.7

5.7855

40

225

16

258

2.19

0.14

6

6366

258136

24028

14.7725

15.8

406

117

55.6

3.56

7

114

4619

2443.6

15.0237

225

22

331

3.83

0.43

10

3637

48165

13731

8.4414

15.8

559

150

97.3

10.9

11

65

862

1396.4

8.5849

225

28

405

5.47

0.88

10

2546

16521

9611

5.9090

15.8

711

184

139

22.4

11

46

296

977.4

6.0095

Materials
Bellows: A240-T304. Alternate materials available upon request. Refer to the materials section.
Flanges: ASTM A105.
45 PSIG Series: 125 lb. Lt. Wt. FFSO.
For 120 psig and 225 psig Series: Customer to specify actual flanges required.
Plate flanges and angle flanges available for low pressure systems.
Pipe: ASTM A285-C.
45 PSIG Series: 0.375-inch wall.
120 PSIG Series: 0.375-inch wall.
225 PSIG Series: 0.500-inch wall.
Liners: A240-T304.
Covers: Carbon steel.
Tie Rods, Hinges, Gimbals: Carbon steel

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