622-00030000 - Miller Smith Silverline High Purity 2-Stage Regulator 0-100 PSI CGA 326

Precision Control for Specialty Gases

The Miller Smith 622-00-03-00-00 Silverline High Purity Brass Two Stage Regulator is engineered for professionals who demand uncompromising accuracy and purity in their gas delivery systems. Part of the renowned 620 Silverline Series, this regulator is specifically designed for non-corrosive specialty gases, making it an essential component for laboratory, analytical, and high-precision industrial applications. The unit features a CGA 326 inlet connection, which is the standard for Nitrous Oxide (N2O), ensuring compatibility with your specific gas supply requirements.

Unmatched Purity and Material Integrity

One of the standout features of this regulator is its stainless steel diaphragm. Unlike rubber or elastomeric diaphragms that can off-gas or absorb contaminants, stainless steel provides a non-permeable barrier that maintains the integrity of the gas stream. This is critical for applications where even trace amounts of impurities can compromise results. The diaphragm utilizes a metal-to-metal seal with the body, further eliminating potential leak paths and sources of contamination. The body itself is machined from brass bar stock and finished with a durable nickel plating, offering excellent corrosion resistance and a clean, professional appearance suitable for laboratory environments.

Stable Two-Stage Performance

Stability is paramount in precision applications, and the two-stage design of the 622-00-03-00-00 delivers exactly that. As a gas cylinder empties, the inlet pressure drops, which can cause the outlet pressure of a single-stage regulator to rise (a phenomenon known as the decaying inlet characteristic). This two-stage regulator eliminates that issue by reducing pressure in two steps, ensuring a constant delivery pressure of 0-100 PSI regardless of fluctuations in the supply cylinder. This "set it and forget it" reliability allows operators to focus on their work without constantly monitoring and adjusting pressure settings.

Safety and Versatility

Safety is integrated into every aspect of the design. The regulator includes a capturable vent in the bonnet (1/16" FNPT), allowing users to pipe vented gases away from the work area—a crucial feature when working with hazardous or asphyxiating gases in confined spaces. The unit is rated for a maximum inlet pressure of 3500 PSI and includes a filtered seat to prevent particulate damage. With 1/4" FNPT outlet ports, it offers versatile connectivity for various tubing and instrumentation setups.