Key features

• •Easy to Use: this nitrogen flow meter has 1/4" female torch inlet connector and 1/4" male torch outlet connection, can be used with nitrogen-purging regulator equipped with 7/16"-20 male flare, Prevents internal oxidation and scaling
• •Nitrogen Flow Indicator: There is a float inside the flow meter, it can help you confirm whether nitrogen is flowing during brazing, providing low flow and high precision gas control
• •Precise Control: The th folw indicator can control the gas flow through the copper tube during the brazing process, the flow accuracy can reach 3-4 CFH, which is very helpful for saving nitrogen
• •Enhance Safety: This product provides extremely low flow through high precision gas control and has an overpressure safety relief rupture disc, so it is very safe to use
• •Excellent Material: The valve body structure of The meter is made of brass, which is resistant to corrosion and rust, and is durable