222-4106 - Miller Smith Silverline 220 Series High Purity Two-Stage Regulator, CGA 350, 0-100 PSI

Precision Control for Analytical Instrumentation

The Miller Smith 222-41-06 Silverline High Purity Analytical Two Stage Regulator is engineered to meet the exacting demands of laboratory and analytical environments. In applications such as gas chromatography, where the stability and purity of carrier gases are paramount, this regulator delivers uncompromising performance. The defining feature of the 220 Silverline Series is its two-stage design, which effectively isolates the delivery pressure from fluctuations in the inlet pressure. As a high-pressure cylinder is depleted, the outlet pressure of a single-stage regulator can drift; however, the 222-41-06 maintains a steady 0-100 PSI output from a full 3500 PSI cylinder down to near depletion, ensuring consistent baselines and reliable data in thermal conductivity, flame ionization, and electron capture detectors.

Material selection is critical in high-purity applications. This regulator features a stainless steel diaphragm, a significant upgrade over standard elastomeric diaphragms which can off-gas and contaminate the gas stream. The stainless steel construction ensures that the gas purity is preserved from the cylinder to the instrument. Furthermore, the regulator seat is filtered, trapping particulates that could otherwise compromise the seal or enter sensitive downstream equipment. This attention to cleanliness extends the service life of the regulator and protects your analytical investment.

Constructed from rugged brass bar stock, the body, bonnet, and gauges are fully plated to resist corrosion and maintain a professional appearance in laboratory settings. The unit is equipped with large, easy-to-read 2-1/2 inch single scale gauges, allowing operators to monitor cylinder and delivery pressure at a glance. Safety is integrated into the design with a built-in capturable preset safety relief valve, providing protection against over-pressurization while allowing for safe venting if necessary. Whether used for calibration mixtures or pure carrier gases requiring a CGA 350 connection (typically Hydrogen or Methane), the Miller Smith 222-41-06 stands as a benchmark for precision and reliability in analytical gas control.