120-2005 - Miller Smith Silverline 120 Series 2-Stage Regulator, CGA 346, 0-30 PSIG

Technical Overview of the Miller Smith 120-20-05 Regulator

The Miller Smith 120-20-05 is a premium component of the Silverline Series, engineered specifically as a general-purpose two-stage regulator. Designed to handle inert and non-corrosive gases such as Air, Nitrogen, CO2, and Argon, this unit is built to deliver consistent performance in technical environments. The regulator features a CGA 346 inlet connection and offers a delivery range of 0-30 PSIG, making it suitable for applications requiring low-to-moderate pressure control with high stability.

Construction and Engineering

Durability is central to the 120 Series design. The body is machined from rugged brass bar stock, providing a solid foundation that resists mechanical stress. The body, bonnet, and gauges are plated to offer superior protection against corrosion and wear. Internally, the regulator utilizes a large 1-7/8 inch diaphragm. This substantial diaphragm area allows for high sensitivity and precise control of outlet pressure, minimizing fluctuations during operation. The unit also includes a preset safety relief valve that vents to the atmosphere, ensuring safety when used with non-hazardous gases.

Performance Features

This two-stage regulator excels in maintaining constant delivery pressure regardless of inlet pressure variations, a critical requirement for laboratory and precision maintenance tasks. It incorporates Miller's proprietary Sure-Seat technology, which enhances seat integrity and longevity. Additionally, a filtered seat mechanism is employed to trap particulates, ensuring added gas stream purity and further extending the service life of the internal components. The regulator is equipped with large 2-1/2 inch single-scale gauges for clear readability and is tapped for rear panel mounting, offering versatile installation options.