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Uniweld NV1 is a Nitro Vue single-gas flow indicator designed to indicate and regulate nitrogen flow for HVAC and refrigeration brazing and purging. The unit features 1/4" flare fittings, a clear sight indicator with a visible float, and a precision adjustable valve in an aluminum body. Typical use allows purge at 20+ SCFH and reduction to 3â5 SCFH for brazing; it requires a regulator set to 60 PSI and includes a safety blow-off at 200+ PSI.
Single-gas (nitrogen) flow indicator with 1/4" flare fittings, aluminum body, adjustable valve, 60 PSI regulator requirement, and 200+ PSI safety blow-off.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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