Standard model stainless steel axial expansion joint composed of single- or multi-ply unrestrained bellow, for mounting with flanges (weld-on) up the pipeline.
Available with optional inner sleeve for bellow's protection and improved stability. Couplings can be made out of various carbon-steel or stainless steel grades.
For detailed technical specifications on HFA axial expansion joints please check the following table and documents or contact us.
* constructions with tie-rods are recommended for pressure thrust restraint and movement limitation
** limited lateral and angular movements are possible / acc. to individual quotation
Nominal | Axial [+/-mm] | Spring Rate [N/mm] | Overall [mm] | Approx. [kg] |
---|---|---|---|---|
15 | 12 | 29 | 100 | 1.3 |
20 | 12 | 29 | 100 | 1.6 |
25 | 15 | 65 | 105 | 2.2 |
32 | 15 | 60 | 120 | 3.5 |
40 | 15 | 72 | 125 | 3.9 |
50 | 23 | 82 | 150 | 4.7 |
65 | 23 | 72 | 155 | 5.9 |
80 | 23 | 91 | 165 | 8.0 |
100 | 23 | 79 | 170 | 8.7 |
125 | 23 | 119 | 185 | 10.9 |
150 | 33 | 162 | 205 | 12.7 |
200 | 35 | 149 | 235 | 18.2 |
250 | 35 | 153 | 240 | 22.7 |
* overall length can be adjusted on individual request.