Uniweld Products, Inc.

Nitrogen Flow Indicator, No. UNF3

The Uniweld No. UNF3 Nitrogen Flow Indicator is a visual tool that confirms the flow of nitrogen gas through the copper lines during the brazing process. The float ball rising up in the flow indicator tube confirms the nitrogen flow. If the float ball does not rise up in the tube, then there is static pressure and the oxygen is not being displaced.

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