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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

 

42 inch Nominal Diameter

Effective (Thrust) Area: 1492.74 in2 (9628.17 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

42

50

12

700

16

160

14

430

3.98

0.26

10

724

28481

2993

9.1159

3.5

305

318

406

72.7

356

195

101

6.6

11

13

510

304.4

9.2709

50

18

725

22

185

20

455

6.8

0.76

10

434

5872

1796

5.4457

3.5

457

330

559

84.1

508

207

173

193

11

8

105

182.7

5.5383

50

24

750

28

211

26

480

9.61

1.51

10

310

2098

1283

3.8826

3.5

610

341

711

95.9

660

218

244

38.4

11

6

38

130.5

3.9486

42

120

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

16

177

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

2.29

0.14

6

3338

148378

13812

16.4581

8.4

406

80.5

58.2

3.56

7

60

2655

1404.7

16.7379

120

22

217

4.01

0.43

10

1908

27686

7892

9.4046

8.4

5.59

98.6

102

10.9

11

34

495

802.6

9.5645

120

28

257

5.73

0.88

10

1335

9496

5525

6.5832

8.4

711

117

146

22.4

11

24

170

561.9

6.6952

42

225

16

231

2.18

0.13

6

6688

297936

27733

17.0894

15.8

406

105

55.4

3.3

6

120

5332

2820.4

17.3799

225

22

308

3.08

0.41

10

3822

55592

15848

9.7654

15.8

559

140

97

10.4

11

68

995

1611.7

9.9314

225

28

385

5.46

0.84

10

2675

19068

11093

6.8358

15.8

711

175

139

21.3

11

48

341

1128.2

6.9520

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.
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.
50 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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