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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

 

14 inch Nominal Diameter

Effective (Thrust) Area: 184.96 in2 (1193 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

14

80

12

190

16

50

14

120

2.9

0.49

10

459

2639

234

0.4418

5.6

305

86.4

406

22.7

356

54.5

73.7

12.4

11

8

47

23.8

0.4493

65

18

198

22

57

20

127

5.27

1.55

10

262

503

133

0.2531

4.6

457

90

559

25.9

508

57.7

134

39.4

11

5

9

13.5

0.2574

30

24

205

28

64

26

134

8.14

3.46

10

183

169

93

0.1767

2.1

610

93.2

711

29.1

660

60.9

207

87.9

11

3

3

9.5

0.1797

14

225

12

393

16

52

14

222

1.25

0.16

9

2509

24470

1281

0.9569

15.8

305

179

406

23.6

356

101

31.8

4.06

10

45

438

130.3

0.9731

225

18

404

22

64

20

234

2.5

0.65

10

1255

3059

641

0.4784

15.8

457

184

559

29.1

508

106

63.5

16.5

11

22

55

65.2

0.4866

350

24

449

28

108

26

279

3.72

1.46

10

1682

1834

864

0.3374

24.6

610

204

711

49.1

660

127

94.5

37.1

11

30

33

87.9

0.3431

Materials
Bellows: A240-T304. Alternate materials available upon request. Refer to the materials section.
Flanges: ASTM A105.
30-80 PSIG Series: 150 lb. ANSI B16.5 RFSO.
225-350 PSIG Series: 300 lb. ANSI B16.5 RFSO
Plate flanges and angle flanges available for low pressure systems.
Pipe: ASTM A53/A106.
30-80 PSIG Series: Std. Wt. Pipe.
225-350 PSIG Series: Std. Wt. Pipe.
Liners: A240-T304.
Covers: Carbon steel.
Tie Rods, Hinges, Gimbals: Carbon steel

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