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METALLIC EXPANSION JOINT CATALOG
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Expansion Joint Data Tables
 
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Double Externally Pressurized (X-Flex) Expansion Joint

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  Single Metallic Expansion Joint Technical Drawing  

Externally Pressurized Expansion Joint

 

300# Design

3 inch Through 10 inch Nominal Diameter

Notes:

  1. Rated life cycle at 650°F is 1000 cycles for full rated movement shown above.
  2. To increase cycle life or movements, please refer to graph on cycle life.
  3. Expansion joint is capable of taking 10% of rated movement as extension, with remaining 90% as axial compression.
  4. Maximum test pressure: 1.5 X rated working pressure.
  5. Bellows rated for 650°F: See catalog flange data for appropriate flange temperature/pressure ratings.
  6. Maximum installation misalignment is ±1/4-inch axial and ±1/16-inch lateral.

Size

Axial

Movement

Spring

Rate

Overall Length

Weight

Effective Area

Shell Outside Diameter

Anchor Foot Height

Anchor Foot Type

Flanged

Ends

Weld

Ends

in.

lb./in.

in.

lb.

lb.

in.2

in.

in.

mm

kg/mm

mm

kg

kg

kg/cm2

mm

mm

3

8

280

40

156

130

30.42

8.625

7.313

A

203

5.0

1016

71

59.09

13.83

219

186

16

140

73

242

216

30.42

8.625

7.313

406

2.5

1845

110

98.18

13.83

219

186

4

8

280

41

179

135

30.42

8.625

8.313

A

203

5.0

1041

81

61.36

13.83

219

211

16

140

74

271

227

30.42

8.625

8.313

406

2.5

1880

123

103.16

13.83

219

211

5

8

662

45

297

241

54.24

10.750

9.375

B

203

11.8

1143

135

109.55

24.65

273

238

16

331

82

457

401

54.24

10.750

9.375

406

5.9

2083

208

182.27

24.65

273

238

6

8

662

45

324

246

54.24

10.750

9.375

B

203

11.8

1143

147

111.82

24.65

273

238

16

331

82

494

416

54.24

10.750

9.375

406

5.9

2083

226

189.09

24.65

273

238

8

8

810

45

484

368

87.58

14.000

11.000

C

203

14.5

1143

220

167.27

39.81

356

279

16

423

77

677

561

87.58

14.000

11.000

406

7.6

1956

308

255.00

39.81

356

279

10

8

931

48

629

467

128.88

16.00

12.000

C

203

16.7

1219

286

212

58.58

406

305

16

504

80

867

705

128.88

16.00

12.000

406

9.0

2032

394

320

58.58

406

305

Materials
Bellows: A240-T304. Alternate materials available upon request. Refer to the materials section.
Flanges: ASTM A105.
300 lb. ANSI B16.5 RFSO.
Pipe: ASTM A53/A106.
Shell: ASTM A53/A106; API-5L
Rings: ASTM A285-C.

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