RE: Spectacle Blind weight

From: <James>
Date: Fri Mar 11 2005 - 06:43:00 EST

Hi Steve,

>
> Welcome back Barbara
>
> is everyone a bit testy at the moment or is it just my highly refined
> sensitivity? It the equinox here which means big winds, and big winds
> mean bad tempers.

My apologies for causing distress to your highly sensitive nature! It is not windy here, annoyed is my natural state.

> Personally I never trust my calculations, and always put my faith in
> total strangers. I expect you do the same in the nuclear
> power industry.

I only accept random numbers from complete strangers if they are signed and dated. We have high standards in the nuclear power industry.

> That way I can never be at fault.
> I noticed you all assume it is a carbon steel flange. Further
> I note you
> provided mass when weight was clearly asked for.

Yes, I slipped up a bit there, supplying some actual numbers. It is also true that weight was requested, but it was not stated where it was intended to install the spectacle blind, I have no intention of being held responsible for supplying the wrong value for gravity.

>
> Because this sort of thing is happening frequently, I googled "weights
> of spectacle flanges" and got back
> http://www.texasflange.com/Catalog.pdf . Elapsed time 30
> seconds.Yes it
> has weights of spectacle blinds. And yes I would check-calculate the
> weight from the dimensions. I am a bit slack though; work out the plan
> area in sqm, multiply by mm thickness and then multiply by 8, as 1 sqm
> of steel 1mm thick weighs a bit less than 8kg (oops, now see what you
> made me do) sorry 78.48N, Chris.

What altitude and latitude are you using as the basis for your value of gravity? Are you even on the same planet?
>
> I do hope this group is not being used as a sort of free
> internet search
> service.
>

I thought that was the entire purpose of the Paul Bowers Charitable Foundation for Terminally Bemused Piping Professionals?

> Better get back to working for a living.

1 hour and six minutes to the weekend...

Barbara

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