Nitrogen Purge Flow Meters
All medical gas piping must be purged with Nitrogen NF while brazing. This will avoid any Copper Oxide from forming inside of the tubing. NFPA-99 requires that piping is purged with a regulator/flowmeter, not a regulator alone. This one has a CGA-580 inlet for your Nitrogen NF cylinder and a Hose Barb outlet for your purging hose. The gauge has a 1/8" fitting, so if you are going to install the purge alarm, use the adapter B-294.
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