RE: [APD] needle valve to regulator connection

["S. Hieber" <shieber at yahoo_com>]

The B-SS4 is brass body unless one specifies the extra
expensive stainless body. It's nickelplated. But if these
are npt threads, then you are going to use teflon tape
onthe threads anyway and corrosion shouldn't be problem in
this instance, unless you keep your valve and regulator wet
for prolonged periods. 

sh
--- Douglas Guynn <d_guynn at sbcglobal.net> wrote:

> Your regulator is probably brass, and the valve is
> stainless steel. It is
> usually not good to connect dissimilar metals because it
> may lead to
> corrosion at the contact point. If it were me, I would
> use a nylon, Teflon
> or other non-metallic fitting for the connection.
> 
> -----Original Message-----
> From:
> aquatic-plants-bounces+d_guynn=sbcglobal.net at actwin.com
>
[mailto:aquatic-plants-bounces+d_guynn=sbcglobal.net at actwin.com]On
> Behalf Of Robert A. Davidoff
> Sent: Friday, December 17, 2004 9:29 AM
> To: Aquatic-plants at actwin_com
> Subject: [APD] needle valve to regulator connection
> 
> 
> I recently purchased a Swagelok B-SS4 metering valve and
> would like to
> know if anyone knows what type of rigid coupling I need
> to directly
> connect it to the CGA output of my CO2 regulator.  The
> Swagelok valve
> has an NPT connection and Swagelok only sells NPT-to-NPT
> couplers.
> 
> 
> 
> Thanks in advance for any help.
> 
> 
> 
> RA Davidoff
> 
> 
> 
> PS: I need something simple.  I am mechanically
> challenged.
> 
> 
> 
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=====
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March 18-20, 2005
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