DN2000 PN10 Axial bellow Expansion Joint With Expansion Of ±60mm For South-To-North Water Diversion Project
Axial bellow expansion joint meaning and function:
The bellows expansion is a compensating element.
The effective expansion and contraction deformation of the bellows working body is used to absorb the dimensional changes of pipes, ducts, containers, etc. caused by thermal expansion and cold contraction ,or to compensate for the axial, lateral and angular displacement of pipes, ducts, containers, etc. It can also be used to reduce noise and vibration.
The bellows compensator is also commonly called an expansion joint It consists of a bellows (an elastic element) and accessories such as end pipes, brackets, flanges, ducts, etc. These components constitute its working body.
It is mainly used for various pipelines, which can compensate for the thermal displacement and mechanical deformation of the pipeline, absorb various mechanical vibrations, thereby reducing the deformation stress of the pipeline and extending the service life of the pipeline.
The connection of the bellows compensator is divided into flange connection and welding. Direct buried pipeline compensators are usually welded (except for trench installation).
Axial bellows compensator parameters
| Product name | Axial bellow Expansion Joint |
| Size | DN2000 |
| Pressure | PN10 |
| Compensation amount | ±60mm |
| Flange material | Carbon steel |
| Bellow material | SS304 |
| Applicable medium | Yellow River water |
| Use Project | South-to-North Water Diversion Project |
Technical parameter chart
| Nominal Diameter (mm) | Wave number | Pressure level | Effective area of bellows | Maximum outer diameter |
| 0.25 | 0.6 | 1.0 | 1.6 | 2.5 |
| Axial compensation/mm,Stiffness(N/mm) |
| 32 | 8 | 25/21 | 22/26 | 20/26 | 18/63 | / | 16 | 225 |
| 32 | 16 | 50/11 | 46/14 | 41/14 | 36/32 | / | 16 | 225 |
| 40 | 8 | 25/28 | 22/24 | 20/44 | 18/89 | 15/98 | 23 | 244 |
| 40 | 16 | 50/14 | 46/22 | 41/22 | 36/45 | 31/47 | 23 | 244 |
| 50 | 8 | 25/30 | 22/51 | 20/70 | 18/70 | 15/106 | 37 | 259 |
| 50 | 16 | 50/16 | 46/26 | 41/35 | 36/35 | 31/55 | 37 | 259 |
| 65 | 8 | 33/28 | 30/35 | 26/44 | 22/55 | 15/138 | 55 | 270 |
| 65 | 12 | 42/16 | 38/22 | 38/32 | 34/40 | 31/70 | 55 | 270 |
| 80 | 8 | 40/20 | 36/26 | 34/33 | 28/41 | 19/68 | 81 | 284 |
| 80 | 10 | 53/14 | 49/17 | 49/21 | 43/26 | 29/50 | 81 | 284 |
| 100 | 6 | 45/47 | 45/60 | 40/75 | 35/93 | 25/54 | 121 | 304 |
| 100 | 10 | 76/26 | 74/32 | 64/40 | 57/50 | 38/33 | 121 | 304 |
| 125 | 5 | 48/38 | 42/47 | 38/59 | 34/74 | 29/117 | 180 | 334 |
| 125 | 9 | 85/23 | 77/29 | 66/36 | 58/45 | 49/63 | 180 | 334 |
| 150 | 5 | 49/42 | 44/50 | 40/62 | 34/78 | 29/92 | 257 | 364 |
| 150 | 8 | 79/34 | 71/43 | 64/51 | 54/59 | 50/56 | 257 | 364 |
| 200 | 4 | 52/49 | 46/55 | 42/68 | 38/78 | 29/97 | 479 | 442 |
| 200 | 6 | 73/31 | 65/44 | 59/52 | 53/58 | 46/65 | 479 | 442 |
Other types of bellows expansion joint
Welded type bellow compensator
PTFE lined bellow compensator
Bellows Expansion Joint Factory Photo
Application fields of bellows compensator
1. Used for the South-to-North Water Diversion Project to transport water from the Yellow River
2. Used for oil pipeline projects
Product Tags:
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DN2000 PN10 Axial Bellow Expansion Joint With Expansion Of ±60mm For South To North Water Diversion Project Images
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