Key

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  • De=outside diameter (mm)
  • Di=inside diameter (mm)
  • dc=diameter of central dished cap (mm)
  • Hi=internal height (mm)
  • Ht=total height (mm)
  • h=neck lenght (mm)
  • R=crown radius (mm)
  • S1; S2; S3=thickness before forming (mm)
  • s1; s2; s3=minimum thickness after forming

Hemispherical Head Made of Sectors + Cap (2 convolutions)

COD. 0802
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Hemispherical Head Made of Sectors + Cap (2 convolutions), Sifea srl Hemispherical Head Made of Sectors + Cap (2 convolutions), Sifea srl
This product is supplied pre-assembled, bevelled and tack-welded between sector/sector and sectors/cap, unless otherwise agreed.
Ht = S + R + h
De R h* S
>8500 ÷ 12000 Di/2 on request 2,5 ÷ 60
* on request depending on R and thickness
h = it will not be straight but it will follow the forming radius
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