620-00000000 - Miller Smith 620 Silverline High Purity 2-Stage Regulator, 0-30 PSI, 1/4 FNPT

Precision Control for Specialty Gases

The Miller Smith 620 Series Silverline High Purity Brass Two-Stage Regulator is engineered for professionals who demand exacting standards in gas delivery. Designed specifically for non-corrosive specialty gases, this regulator combines the durability of a nickel-plated brass body with the precision of a stainless steel diaphragm. The two-stage architecture is critical for applications requiring unwavering outlet pressure; as your supply cylinder pressure drops, this regulator compensates automatically, providing a steady flow without the need for constant manual adjustment. This feature is particularly vital in laboratory settings, chromatography, and high-precision industrial processes where pressure drift can compromise results.

Advanced Contamination Control

Purity is the cornerstone of the 620 Silverline design. The unit features a stainless steel diaphragm that offers superior chemical resistance and flexibility compared to standard elastomeric diaphragms. Crucially, the metal-to-metal seal between the body and the diaphragm eliminates the need for gaskets that could outgas or degrade over time, ensuring the integrity of your gas stream. A 316 stainless steel filter is integrated into the inlet to trap particulates, further protecting the seat and ensuring long-term reliability. Additionally, the regulator is designed to withstand internal vacuums, making it suitable for rigorous purging operations required in high-purity systems.

Versatile Installation and Safety

Flexibility in installation is provided by the 1/4" FNPT inlet and outlet connections, allowing for seamless integration into manifolds, custom piping systems, or panel-mounted setups. The threaded front and rear bonnet design facilitates secure panel mounting, keeping your workspace organized. Safety is also paramount; the regulator includes captured 1/16" FNPT vent ports on both stages. This allows for the safe piping of vented gases away from the work area in the unlikely event of a diaphragm failure, a standard requirement for handling hazardous or asphyxiating gases.