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Metallic Expansion Joint

Metal Expansion Joint

Flexible metallic expansion joints and exhaust bellows.

We stock standard single ply exhaust bellows with flow liners. These are commonly used on industrial engine exhaust applications.
We stock a standard range of stainless steel grade 321 exhaust elements from 2” up to 12” with a set overall length.

Product features:

  • Designed for use in the Exhaust System of all types of engines
  • Designed for high temperature and low pressure applications
  • Used for absorbing thermal expansion
  • Bellow Material: Stainless steel grade 321
  • Liner Material: Stainless steel grade 321
  • Can be supplied with or without Liner
  • Larger sizes available against enquiry
NB Overall Length “L” Movements Spring Rates Liner ID “A” Cuff ID “B” Ply Thickness Cuff Thickness Liner Thickness No. of Cons
Inch mm Axial (mm) N/mm mm mm mm mm mm
2″ 135 36 4 41 48 60 0.3 0.6 1.5 10
2.5″ 170 39 4 46 61 75.4 0.3 0.6 1.5 10
3″ 175 44 6 58 76 88.5 0.4 0.6 0.8 10
4″ 184 44 4 71 99 114 0.4 0.6 0.8 10
5″ 200 50 10 49 125 139.4 0.4 0.6 0.8 10
6″ 205 54 10 110 149 167.5 0.6 0.6 1.0 10
8″ 215 59 6 146 198 219 0.6 0.6 1.0 10
10″ 235 70 2 183 248 271.4 0.6 0.6 1.0 10
12″ 270 82 12 84 298 322.3 0.6 0.6 1.0 10

Metal Expansion Joint specs