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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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Universal Expansion Joint

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Flanged Universal Joint  

Flanged Universal Expansion Joint

 

84 inch Through 144 inch Nominal Diameter

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. Tabulated values are for tied joints, with butt weld ends. Performance of joints with flanged ends, and unrestrained joints, will exceed tabulated values.
  6. Maximum test pressure: 1.5 X rated working pressure.
  7. Bellows rated for 650°F: See catalog flange data for appropriate flange temperature/pressure ratings.
  8. Pressure thrust load applied to adjacent pipe anchors/equipment when unrestrained expansion joints are used.

Size

Pressure

Non-concurrant Movements/Spring Rates

Llateral Movement/Spring Rates

Axial

60
in.
Overall Length
72
in.
Overall Length
84
in.
Overall Length

Movement

Spring Rate
1524
mm
Overall Length
1829
mm
Overall Length
2134
mm
Overall Length

Movement

Spring
Rate

Movement

Spring
Rate

Movement

Spring
Rate

PSIG

in.

lb./in.

in.

lb./in.

in.

lb./in.

in.

lb./in.

kg/cm2

mm

kg/mm

mm

kg/mm

mm

kg/mm

mm

kg/mm

84

45

1.10

17326

1.84

7437

2.59

4096

5.65

2358

3.2

28

310.1

47

133.09

66

73.30

144

42

96

40

0.97

24772

1.60

10757

2.24

5963

5.45

2699

2.8

25

443.3

41

192.50

57

106.71

138

48

108

35

0.88

36505

1.46

15669

2.06

8631

5.74

3040

2.5

22

653.3

37

280.40

52

154.46

146

54

120

30

0.67

65983

1.19

25681

1.74

13488

5.79

3380

2.1

17

1180.8

30

459.57

44

241.37

147

60

132

25

0.61

87604

1.09

34096

1.59

17908

5.82

3721

1.8

15

1567.7

28

610.16

40

320.47

148

67

144

25

0.46

156468

0.89

53883

1.34

26764

5.82

4062

1.8

12

2800.1

23

964.26

34

478.95

148

73

Materials
Bellows: A240-T304. Alternate materials available upon request. Refer to the materials section.
Flanges: ASTM A105.
40-45 PSIG Series: (96" and 84" dia) 125 lb Lt/Wt/FFSO
25-30 PSIG Series: (108" and 144" dia) customer to specify actual flanges required.
Plate flanges and angle flanges available for low pressure systems.
Pipe: ASTM A-285-C
25-45 PSIG Series: 0.375-inch wall
Liners: A240-T304.
Covers: Carbon steel.
Tie Rods, Hinges, Gimbals: Carbon steel

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Contact Us: +1 (281) 241-9418 Toll Free: (855) 591-0906 Fax: +1 (713) 731-8640 sales@usbellows.com
Our Parent Company: Piping Technology Pipe Supports, Pipe Clamps, Pipe Hardware & Insulated Pipe Shoes
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