620-03060000 - Miller Smith 620 Series Silverline High Purity Two-Stage Regulator, CGA 350, 0-25 PSI

Precision Control for Specialty Gases

The Miller Smith 620-03-06-00-00 Silverline High Purity Brass Two Stage Regulator is engineered for applications demanding the highest levels of gas purity and pressure stability. Designed specifically for non-corrosive specialty gases, this regulator features a robust two-stage construction. Unlike single-stage counterparts, the two-stage mechanism reduces cylinder pressure in two steps, ensuring that the outlet pressure remains unwavering even as the inlet pressure from the cylinder decays. This characteristic is critical for analytical instrumentation, gas chromatography, and other laboratory processes where pressure drift cannot be tolerated.

Advanced Material Construction

At the core of the 620 Series is a specially designed stainless steel diaphragm. This component is crucial for maintaining gas stream purity, as it eliminates the outgassing and absorption issues often associated with elastomeric diaphragms. The regulator utilizes a metal-to-metal seal between the body and the diaphragm, providing a leak-tight integrity that meets stringent industry standards. The body itself is machined from brass bar stock and finished with nickel plating, offering a durable, diffusion-resistant exterior that withstands the rigors of industrial and laboratory environments.

Safety and Versatility

Safety is paramount when handling specialty gases such as Hydrogen or Methane (CGA 350). The Miller Smith 620 Series includes a capturable vent in the bonnet (1/16" FNPT), allowing users to pipe vented gases away to a safe location in the unlikely event of a diaphragm failure. The regulator is also capable of withstanding internal vacuums during purging operations, a necessary procedure for maintaining system purity. With a maximum inlet pressure of 3500 PSI and a precise delivery range of 0-25 PSI, this regulator provides the control and reliability required for sophisticated gas delivery systems.