221-2009 - Miller Smith 220 Series Silverline High Purity Two-Stage Regulator, CGA 580

Precision Control for Analytical Applications

The Miller Smith 221-20-09 Silverline High Purity Analytical Two-Stage Regulator is engineered to meet the exacting demands of laboratory and analytical environments. Designed specifically for high purity, non-corrosive pure gases and mixtures, this regulator is an essential tool for professionals requiring absolute consistency in gas delivery. The core of its performance lies in its two-stage design, which provides a stable delivery pressure ranging from 0 to 50 PSI, regardless of fluctuations in the cylinder pressure. This feature is critical for applications where even minor deviations in pressure can compromise results, such as in gas chromatography.

Constructed with a focus on maintaining gas stream purity, the 221-20-09 features a stainless steel diaphragm. Unlike elastomeric diaphragms that can off-gas or absorb contaminants, stainless steel ensures that the gas remains pure as it passes through the regulator. Additionally, a filtered seat is incorporated to trap particulates, further protecting the gas stream and extending the service life of the regulator seat. This attention to detail makes the Silverline series a top choice for controlling carrier gases or calibration mixtures used in sensitive instruments like thermal conductivity detectors and flame ionization detectors.

Durability and ease of use are also paramount in the design of the Miller Smith 221-20-09. The body, bonnet, and gauges are plated to provide superior protection against corrosion and wear, ensuring the unit maintains its integrity and appearance over time. The regulator is equipped with large, 2-1/2 inch single-scale gauges that are easy to read, allowing operators to monitor cylinder and delivery pressure at a glance. Safety is addressed with a built-in capturable preset safety relief valve, which protects components from over-pressurization. Whether you are performing flame photometry or electron capture, this regulator delivers the reliability and purity required for high-stakes analytical work.