Bellows and lens expansion joints are characterized by their linear and angular flexibility properties. These elastic characteristics must be defined for all piping systems containing such expansion joints. While manufacturers' catalogs typically provide this data, terminology differences often complicate direct application. To address this, the software calculates elastic properties using fundamental structural parameters.
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Property |
Description |
Corrugated element external diameter, De |
See figure |
Corrugated element internal diameter, Di |
See figure |
Corrugated element wall thickness, S |
See figure |
Wave (lens) spacing, q |
See figure |
Wave (lens) number |
See figure |
Operating temperature, Twork |
Temperature in operating state. More... |
Steel grade |
Pipe material from materials database |
START-PROF calculates axial, angular, and lateral stiffness and flexibility values for the expansion joint (depending on selected element type). See also "flexibility and stiffness"
Expansion joint > Axial Expansion Joint
Expansion joint > Gimbal Expansion Joint
Expansion joint > Lateral Expansion Joint