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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

 

44 inch Nominal Diameter

Effective (Thrust) Area: 1629 in2 (10,508 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

44

50

12

737

16

164

14

450

3.51

0.19

9

854

47202

3862

11.8051

3.5

305

335

406

74.5

356

205

89.2

4.83

10

15

845

392.8

12.0058

50

18

763

20

190

14

477

6.33

0.63

10

488

8325

2207

6.7104

3.5

457

347

508

86.4

356

217

161

16

11

9

149

224.5

6.8245

50

24

790

28

216

26

503

9.15

1.31

10

342

2793

1545

4.6874

3.5

610

359

711

98.2

660

229

232

33.3

11

6

50

157.1

4.7671

44

115

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

16

185

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

2.25

0.12

6

3500

193614

15840

19.1526

8.1

406

84.1

57.2

3.05

6

63

3465

1610.9

19.4782

115

22

227

3.94

0.39

10

2000

34147

9051

10.8863

8.1

559

103

100

9.91

11

36

611

920.5

11.0713

115

28

255

5.06

0.65

10

1555

15715

7040

8.4492

8.1

711

116

129

16.5

11

28

1

716.0

8.5928

Materials
Bellows: A240-T304. Alternate materials available upon request. Refer to the materials section.
Flanges: ASTM A105.
50 PSIG Series: 125 lb. Lt. Wt. FFSO.
115 PSIG Series: Customer to specify actual flanges required.
Plate flanges and angle flanges available for low pressure systems.
Pipe: ASTM A53/A106.
50 PSIG Series: 0.375-inch wall.
115 PSIG Series: 0.375-inch wall.
Liners: A240-T304.
Covers: Carbon steel.
Tie Rods, Hinges, Gimbals: Carbon steel

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