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)
R=crown radius (mm)
S=thickness before forming (mm)
s=minimum thickness after forming

Products Heads and Bottoms Ellipsoidal Heads

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

COD. 0094

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Inwards Beaded Ellipsoidal Head 1,9:1 NF-E81-103, Sifea srl

Key

	De	R	r	h*	S	r1**	h1
Fond Ellitique ELL (NF E 81-103)	Max. 8000	0,86De	0,185De	on request	2,5 ÷ 60	>20÷acc. mold available	on request

* on request depending on De and thickness
** on request but depending on the available mold

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

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