enEnglisch
Type HWAAxial Expansion Joint
Standard model stainless steel axial expansion joint composed of single- or multi-ply unrestrained bellow, for mounting with welding ends 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 HWA axial expansion joints please check the following table and documents or contact us.
Properties
- stainless steel bellow
- axial movement compensation
- optional inner sleeve
- welding ends
- standard program available
Technical Specifications
* constructions with tie-rods are recommended for pressure thrust restraint and/or movement limitation
** limited lateral and angular movements are possible / acc. to individual quotation
Standard Program
Nominal | Axial | Spring | Overall | Approx. |
|---|---|---|---|---|
Diameter | Movement | Rate | Length | Weight |
15 | 12 | 29 | 175 | 0.1 |
20 | 12 | 29 | 175 | 0.2 |
25 | 15 | 65 | 185 | 0.3 |
32 | 15 | 60 | 185 | 0.4 |
40 | 15 | 72 | 190 | 0.5 |
50 | 23 | 82 | 205 / 220 ** | 0.8 |
65 | 23 | 72 | 230 / 240 ** | 1.2 |
80 | 23 | 91 | 230 / 240 ** | 1.7 |
100 | 23 | 79 | 230 / 250 ** | 2.2 |
125 | 23 | 119 | 270 / 280 ** | 3.3 |
150 | 33 | 162 | 270 / 315 ** | 4.3 |
200 | 35 | 149 | 300 / 355 ** | 6.5 |
250 | 35 | 153 | 300 / 355 ** | 8.0 |
* overall length can be adjusted on individual request.
** overall length for items with inner sleeve (HWAI)