Connections: Nitrogen tank regulator, CGA-580 Inlet Connector, fits all Nitrogen, , Helium, and Inert Gas Tanks, 1/4 inch SAE Male Flare Outlet Connection - 7/16-20 Threads for easy installation Accurate Pressure Gauge: Nitrogen regulator hvac, there are two Easy to Read 2 Inch pressure gauge, which covered with scratch- plastic protective film and rubber cover. 0-4000PSI cylinder gauge, 3000PSI of Max input pressure, 0-600PSI output gauge, 500PSI of Max output pressure. 600PSI of safety output pressure. Application: Nitrogen regulator is a standard pressure control valve that reduces the input pressure from a liquid or gas that is stored in a pressurized tank.great for HVAC Purging / Inertization / Pressure Tests / Leakage Tests / Brazing / Soldering MATERIAL: It is made from solid brass material, which is sturdy and . It comes with a safety valve. In this way, it can automatically release certain pressure and avoid damage due to high pressure. USER-FRIENDLY DESIGN: This nitrogen regulator possesses an exquisite outer appearance with a better gas tightness characteristic.The reading displays in a more accurate way. Moreover, it not cause any problems like air leakage or overall inaccuracy of reading., Manufacturer: Akfldms