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 Accurate Pressure Gauge: Nitrogen regulator hvac, there are two Easy to Read 2 Inch pressure gauge, which covered with scratch-resistant 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. 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 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 will not cause any problems like air leakage or overall inaccuracy of reading. Color: Gold + Black Material: Copper + Plastic LARGE T-STYLE HANDLE: The nitrogen pressure gauge equipped with a T-style handle in a large size is very easy to adjust and stabilize. It is great for HVAC purging, inertization, pressure test, brazing, leakage test and soldering. Package Contents: 1 x Nitrogen Regulator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.