222-4109 - Miller Smith Silverline 220 Series High Purity Two-Stage Regulator CGA 580

Precision Control for Analytical Applications

The Miller Smith 222-41-09 Silverline High Purity Analytical Two-Stage Regulator is engineered specifically for laboratory and analytical environments where gas purity and pressure stability are paramount. Designed to handle high-purity, non-corrosive gases, this regulator features a CGA 580 inlet connection, making it suitable for inert gases such as Nitrogen, Argon, and Helium. The core advantage of this unit lies in its two-stage construction, which allows it to maintain a constant delivery pressure ranging from 0 to 100 PSIG, even as the cylinder pressure drops from full to nearly empty. This characteristic is critical for sensitive applications like gas chromatography, where pressure fluctuations can compromise results.

High Purity Construction

Contamination is the enemy of analytical accuracy. To combat this, the 222-41-09 is built with a stainless steel diaphragm that ensures precise control without introducing impurities into the gas stream. Unlike rubber or neoprene diaphragms, stainless steel does not off-gas or absorb contaminants. Additionally, the regulator includes a filtered seat that further enhances gas stream purity while protecting the internal components from particulate damage, thereby extending the service life of the unit.

Durability and Safety

Despite its delicate precision, the Silverline 220 Series is built to last. The body, bonnet, and gauges are plated to provide superior protection against environmental corrosion and wear. The rugged brass bar stock construction ensures mechanical integrity under high pressure (up to 3500 PSIG inlet). Safety is also a priority, evidenced by the built-in capturable preset safety relief valve which protects downstream equipment and personnel from over-pressurization events. The large 2-1/2 inch gauges provide clear, easy-to-read monitoring of both cylinder and delivery pressures.