Key

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  • De=outside diameter (mm)
  • Di=inside diameter (mm)
  • Hi=internal height (mm)
  • Ht=total height (mm)
  • h=straight flange lenght (mm)
  • r=knuckle radius (mm)
  • R=crown radius (mm)
  • S=thickness before forming (mm)
  • s=minimum thickness after forming

Ellipsoidal Head 1,9:1 NF-E81-103

COD. 78
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Ellipsoidal Head 1,9:1 NF-E81-103, Sifea srl Ellipsoidal Head 1,9:1 NF-E81-103, Sifea srl
De R r h* S
Fond Ellitique ELL (NF E81-103) Max. 8000 0,86De 0,185De on request 2,5 √∑ 60
* on request depending on De and thickness
Edge preparation
Every request will be subject to a feasibility study. Depending on the required characteristics (dimensions, material, thickness) S.I.F.E.A. might propose different workings and cold or hot forming. If a dimension has a value out of indicated ranges, please do not hesitate to contact S.I.F.E.A. for a specific evaluation.
Rev. 01-2023