Re: expansion bellows

On Dec 6, 2007, at 3:28 AM, Osama wrote:

> i found this item and i don't know what does it mean
> "• Expansion bellows nominal bore, six (6") over all length
> stainless steel corrugated flexible tube of ANSI 321 or equivalent
> having forty (40)-forty two (42) convolution per foot fitted each end
> with BSPT BS 21 mild steel fixed male connector. Movement + twenty
> five (+25) mm from center line with at last twenty thousand (20,000)
> cycles without any leakage or distortion."
> so please if any one know what does it mean help me
It's a description of an expansion joint. Do a Google search on 'expansion joint.'

Christopher Wright P.E. |"They couldn't hit an elephant at chrisw@skypoint.com | this distance" (last words of Gen.

.......................................| John Sedgwick, Spotsylvania