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The Medical Gas

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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