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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

 

46 inch Nominal Diameter

Effective (Thrust) Area: 1794 in2 (11,575 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

46

35

12

774

16

176

14

475

3.51

0.18

8

561

34157

2794

11.8403

2.5

305

352

406

80

356

216

89.2

4.57

9

10

611

284.1

12.0416

35

18

805

22

207

20

506

6.33

0.6

10

321

6024

1597

6.7347

2.5

457

366

559

94.1

508

230

161

15.2

11

6

108

162.4

6.8492

35

22

826

26

228

24

527

8.21

1

10

249

2788

1242

5.2309

2.5

559

375

660

104

610

240

209

25.4

11

4

50

126.3

5.3199

46

95

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

16

202

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

2.84

0.15

7

2300

140096

11462

19.1806

6.7

406

91.8

72.1

3.81

8

41

2507

1165.7

19.5067

95

22

251

5.1

0.48

10

1314

24708

6549

10.9093

6.7

559

114

130

12.2

11

24

442

666.0

11.0848

95

26

284

6.55

0.8

10

1022

11436

5094

8.4734

6.7

660

129

166

20.3

11

18

205

518.1

8.6174

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

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