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Extension Springs

Most important extension spring dimensions

  • Wire diameter (d)
  • Spring body outer diameter (Da)
  • Total spring length as measured from the link attachment point (L0) or spring body length (LK)

Link position and shape

  • The position is expressed in degrees. See the image below for different link positions.
  • The extension spring link can be shaped to meet the site requirements – for example, links, hooks or loops.
  • Various link options include loose links or screw fastening, for example.