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Date:         Fri, 31 Aug 2007 18:49:21 -0400
Reply-To:     "T.M." <tinkerman007@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         "T.M." <tinkerman007@YAHOO.COM>
Subject:      Re: Measuring fuel pressure
Comments: To: Miguel Pacheco <escorpion1955@YAHOO.COM>

On Fri, 31 Aug 2007 01:53:01 -0400, Miguel Pacheco <escorpion1955@YAHOO.COM> wrote:

>That 'spiral tube' is called a bourdon tube. Widely used in industry, of >course, to measure psi and even as a switch.........just an FYI. Cheers.

Yup, thanks for the info. BTW, I have here 3 air pressure meters, one pen-type and two dial-type, with only one of the latter with that so-called "bourdon tube". The other two are of the spring-loaded piston-cylinder type, not safe for fuel because the seal relies on the sealing of a moving plastic piston, which isn't safe inherently and also might be attacked by the fuel. I opened the bourdon tube one up and the pressure path is all metal (except for the o-rings) and can handle 100psi, so I guess it might be OK, once I find an adapter.


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