The Planted Tank Forum - View Single Post - Regulator - Cylinder seal
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post #7 of (permalink) Old 12-08-2012, 02:23 AM
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The other option is to go to a welding/gas supply shop like Airgas/Praxair and get a new CGA 320 nipple without the raised face. It should run about 10 bucks and some teflon tape. You simply* take off the old nipple and install the new one. Connect up to your cylinder with a regular 320 seal washer and leak check.

*I say "simply," however this may not be the case if the nipple was threadlocked really well in to the regulator body.

Last edited by danakin; 12-08-2012 at 02:24 AM. Reason: clarification
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