40-275-580 - Miller Smith Series 40 Heavy-Duty Nitrogen Regulator, 0-275 PSIG, CGA 580

Reliable Nitrogen Control for HVAC and Industry

When your job requires precise pressure testing, purging, or high-flow gas delivery, the Miller Smith 40-275-580 Heavy-Duty Nitrogen Regulator is the tool you can trust. Built to withstand the toughest job site conditions, this regulator combines a rugged brass body with advanced internal components to deliver consistent performance year after year. Whether you are pressure testing HVAC lines, purging piping systems, or managing manifold gas feeds, the Series 40 regulator provides the control and reliability professional welders and technicians expect from the Miller and Smith brands.

Built for the Long Haul: The 40-275-580 is designed to minimize maintenance and maximize uptime. It features a corrosion-resistant nickel-plated bonnet and a brass body that stands up to harsh industrial atmospheres. The large 2.5-inch brass gauges are protected by shatter-resistant polycarbonate lenses, ensuring you can always read your pressures clearly, even after the bumps and drops typical of field work. The die-cast "T" bar adjusting screw allows for smooth, easy pressure adjustments, even when wearing heavy work gloves.

Versatility and Safety: This regulator isn't just for standard nitrogen tanks; its stainless steel diaphragm makes it compatible with liquid gas cylinders, resisting the damage and freeze-up that destroy lesser regulators. Safety is built-in with an external relief valve that protects the unit from high-pressure surges. With a delivery range of 0-275 PSIG and a max inlet of 3000 PSIG, it covers a wide spectrum of industrial applications.

Backed by Miller's True Blue 3-Year Limited Warranty, this regulator is an investment in quality. Stop replacing cheap regulators that fail when you need them most. Upgrade to the Miller Smith Series 40 and experience the difference in flow consistency, pressure stability, and overall durability.