RE: [APD] needle valve to regulator connection

["Douglas Guynn" <d_guynn at sbcglobal.net>]

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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