The Uniweld NV 1 Nitrogen Flow Indicator, also known as Nitro Vue, features a bright orange float ball for visual confirmation of nitrogen gas flow. Equipped with a precision adjustable valve, this tool allows for complete control over low flow rates during processes like purging copper lines and brazing. With safety in mind, it includes a reseatable blow-off valve that activates at 200 psi to prevent overpressure situations. Weighing 0.87 pounds and designed with 1/4 inch flare fittings, the NV 1 is a reliable option for HVAC and refrigeration professionals seeking precision in their nitrogen gas flow monitoring.
Model : NV1. Bright orange float ball visually confirms the flow of nitrogen gas. Purge the copper lines at 20+ SCFH and then reduce the flow to Braze at 3-5 SCFH during the brazing process.
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