111-4002 - Miller Smith Silverline 110 Series CO2 Regulator, 0-60 PSI, CGA 320

Technical Overview of the Miller Smith 111-40-02 Silverline Regulator

The Miller Smith 111-40-02 is a precision-engineered single-stage regulator from the renowned Silverline 110 Series, designed specifically for general purpose applications involving inert and non-corrosive gases. This specific model is configured with a CGA 320 inlet connection, making it the standard choice for Carbon Dioxide (CO2) service. Engineered for durability and performance, the regulator features a rugged brass bar stock body. Unlike standard brass regulators, the Silverline series boasts a plated body, bonnet, and gauges, offering superior protection against environmental corrosion and wear in industrial settings.

At the core of the 111-40-02 is Miller Smith's proprietary Sure-Seat™ technology. This filtered seat design is critical for maintaining gas stream purity and extending the service life of the regulator. By preventing microscopic debris and contaminants from reaching the high-pressure seat, Sure-Seat reduces the risk of seat failure and creep, ensuring consistent performance over time. The regulator operates with a maximum inlet pressure of 3500 PSIG and provides a delivery pressure range of 0-60 PSIG, suitable for a wide variety of pneumatic and shielding gas applications.

Control sensitivity is managed by a large 1-7/8 inch diaphragm, which provides a responsive reaction to changes in downstream demand, maintaining a steady flow rate. The unit is equipped with large, 2-1/2 inch single-scale gauges that are easy to monitor from a distance. For systems integration, the body is tapped for rear panel mounting, allowing for clean and secure installation in gas manifolds or control panels. This regulator represents a balance of economical general-purpose design with high-end construction features typically found in more expensive units.