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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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300 PSIG Single and Multi-ply Bellows

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300 PSIG

Single and Multi-ply Stainless Steel Expansion Joint Bellows
321 S.S. Bellows with Aide (Monel and Inconel available on request)

Notes:

  1. Pressure Range:  Vacuum to 300 PSIG 
  2. Temperature Range: -20º F to 800º F
  3. Rated cycle life is 3000 cycles per EJMA for any one tabulated axial movement.
  4. Maximum Axial extension movement is 50% of the tabulated axial movement.
  5. Rated extension movement is equal to rated axial movement provided the bellows is pre-compressed the smount of design extension.
  6. Maximum test pressure: 1.5x design pressure
  7. Materials: Bellows--ASTM A240-T321SS; Welding Aides--ASTM A240-T321SS
  8. Flanges or welds ends can be attached to the bellows 1/16" thk (min.) Welding aide.
  9. For more details request PT&P's Expansion Joint Catalog.
                      

ND in.

Part Number

Max. Axial Movement in.

Max. Lateral Movement in.

Max. Angular Movement Deg.

B.F.L. in.

Number of Corrugations O.A.L. in.

Weight Each lbs.

Axial Spring Rate lbs./in

Lateral Spring Rate lbs./in.

Angular Spring Rate in/lbs/deg.
 3/4 S007300C 0.23 0.10 10 1.63 7 2.38 0.07 1607 1394 13
L007300C 0.35 0.25 10 2.38 11 3.13 0.09 1025 358 13
1    S010300C 0.29 0.12 10 1.94 8 2.69 0.13 1387 1647 13
L010300C 0.43 0.27 10 2.75 12 3.50 0.17 1226 487 13
1 1/2 S015300C 0.35 0.13 10 2.38 10 3.13 0.22 2279 2733 13
L015300C 0.51 0.29 10 4.06 15 4.81 0.29 1518 806 13
2    US-2-8-300S 0.32 0.12 10 3.00 8 5.00 0.60 2511 3022 40
US-2-12-300L 0.48 0.27 10 4.50 12 6.50 1.00 693 462 14
2 1/2 US-2.5-8-300S 0.77 0.30 10 4.00 8 6.00 2.00 1441 1471 53
US-2.5-12-300L 0.89 0.52 10 6.00 12 8.00 3.00 961 436 35
3    US-3-8-300S 0.57 0.19 10 4.00 8 6.00 2.00 4230 6345 148
US-3-12-300L 0.85 0.42 10 6.00 12 8.00 3.00 2820 1880 98
4    US-4-8-300S 0.77 0.20 10 4.00 8 6.00 4.00 2573 6336 147
US-4-12-300L 1.16 0.45 10 6.00 12 8.00 4.50 1715 1877 98
5    US-5-8-300S 0.74 0.16 10 4.00 8 6.00 4.00 3217 11536 268
US-5-12-300L 1.11 0.36 10 6.00 12 8.00 4.50 2144 3418 179
6    US-6-8-300S 0.84 0.15 10 4.00 8 6.00 6.30 2809 14080 328
US-6-12-300L 1.26 0.34 10 6.00 12 8.00 7.50 1872 4172 218
8    US-8-8-300S 0.82 0.11 10 4.00 8 6.00 7.50 3697 30059 700
US-8-12-300L 1.23 0.26 10 6.00 12 8.00 10.00 2465 8906 466
10    US-10-8-300S 1.52 0.38 10 9.00 8 11.00 23.00 6274 20302 1890
US-10-12-300L 2.28 0.87 10 13.50 12 15.50 34.00 4183 6015 1260
12    US-12-8-300S 1.57 0.33 10 9.00 8 11.00 40.00 7424 26948 3175
US-12-12-300L 2.36 0.76 10 13.50 12 15.50 56.00 4950 7985 2116
14    US-14-8-300S 1.55 0.30 10 9.00 8 11.00 45.00 8185 35251 4153
US-14-12-300L 2.32 0.68 10 13.50 12 15.50 62.00 5457 10445 2769
16    US-16-8-300S 1.53 0.26 10 9.00 8 11.00 51.00 9403 51812 6104
US-16-12-300L 2.30 0.60 10 13.50 12 15.50 71.00 6268 15352 4069
18    US-18-8-300S 1.53 0.23 9 9.00 8 11.00 55.00 10621 72883 8586
US-18-12-300L 2.29 0.53 10 13.50 12 15.50 80.00 7081 21595 5724
20    US-20-8-300S 1.51 0.21 8 9.00 8 11.00 60.00 11839 99004 11664
US-20-12-300L 2.27 0.48 10 13.50 12 15.50 89.00 7893 29335 7776
22    US-22-8-300S 1.40 0.16 6 8.00 8 10.00 60.00 9507 121742 17434
US-22-12-300L 2.11 0.36 10 12.00 12 14.00 89.00 6338 36072 11623
24    US-24-8-300S 1.60 0.15 6.85 8.00 8 10.00 80.00 10396 156893 14604
US-24-12-300L 2.41 0.35 10 12.00 12 14.00 112.00 6931 46487 9736

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