Key

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  • De=outside diameter (mm)
  • Di=inside diameter (mm)
  • de=outside beading diameter (mm)
  • di=inside beading diameter (mm)
  • Ht=total height (mm)
  • h; h1=straight flange lenght (mm)
  • r; r1=knuckle radius (mm)
  • S=thickness before forming (mm)
  • s=minimum thickness after forming

Half Expansion Joint Bellow

COD. 0006
Half Expansion Joint Bellow, Sifea srl Half Expansion Joint Bellow, Sifea srl
Ht = S + r + h + r1 + h1
De r* h* de*** r1** h1* S
250 ÷ 8500 20 ÷ 500 on request (max 100 mm) on request >20÷acc. mold available 10 ÷ 80 2,5 ÷ 45
* on request depending on De and thickness
** on request but depending on the available mold
*** the flanging hole can be off-centre with respect to one ot both axis (da/da1)
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.