How to Choose Multi-Layer Stainless Steel Bellows
Release time:
2021-03-22
When manufacturing metal bellows compensators, it is sometimes considered to use multi-layer stainless steel bellows tubes.
When manufacturing metal bellows compensators, it is sometimes considered to use multi-layer stainless steel bellows tubes.
The primary consideration when selecting multi-layer metal bellows is that, compared to single-layer bellows, multi-layer bellows have lower stiffness yet offer greater compensation capacity and significantly superior performance in metal expansion joints.
When the thickness of multi-layer corrugated pipes is the same as that of single-layer corrugated pipes, adopting a multi-layer design can minimize the stiffness of the bellows and reduce the elastic reaction to a minimum, thereby extending the service life of metal expansion joints and pipelines.
Due to the reduced planar stability and cylindrical stability of multilayer stainless steel corrugations during fabrication, the manufacturing process becomes more complex, thereby increasing costs.
When manufacturing multi-layer metal compensators, it’s necessary to select the appropriate design based on specific operating conditions and costs, as multi-layer stainless steel bellows consume more materials than single-layer ones.
Multilayer corrugated compensators are typically used in applications involving corrosive media.
Multi-layer metal bellows expansion joints are typically used in applications involving corrosive media. During the design phase, corrosion resistance is carefully considered, and during manufacturing, the inner and outer corrugations are made of different materials.
When designing and manufacturing, you can choose higher-quality materials for the inner layer to prevent corrosion, while selecting relatively better materials for the outer layer to ensure its strength.
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