replying to Ned Simmons , flometrix wrote:

Probably in the right size range, but I think it's unlikely the heads
are hemispherical. I'm taking the OP at his word that what he needs is
hemispherical and not the more common ASME elliptical heads.


Hi guys, thanks for the replies. Yes, heads 8"OD are common and I have
ordered some standard flanged and dished heads that size but we need a
much larger curve for our purposes. Unfortunately, since this seems to be
a special order item companies are not wanting to make such a small
quantity for us. I will keep filling out quote forms though and see what
turns up. I do like that decorative sphere idea, I will see what they can
do.

Kyle


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