113-4006 - Miller Smith Silverline 113 Series General Purpose Regulator CGA 350

Technical Overview of the Miller Smith 113-40-06

The Miller Smith 113-40-06 is a robust single-stage pressure regulator from the Silverline 110 Series, engineered for general purpose applications involving inert and non-corrosive gases. This unit is specifically configured with a CGA 350 inlet connection and provides a delivery pressure range of 0-250 PSIG. The regulator is constructed around a rugged brass bar stock body, ensuring structural integrity and resistance to deformation under high-pressure conditions. The body, bonnet, and gauge casings are fully plated, offering enhanced protection against environmental corrosion and shop wear.

Internally, the regulator utilizes a large 1-7/8 inch diaphragm. This diaphragm size is significant for a general-purpose single-stage regulator, as it allows for more responsive pressure control and stability compared to smaller compact models. The unit is designed to handle a maximum inlet pressure of 3500 PSIG. A critical technical feature is the inclusion of a filtered seat. This design element serves two purposes: it maintains gas stream purity by trapping particulates, and it significantly extends the service life of the seat assembly by preventing debris-induced wear or leakage. This is referred to as Miller's Sure-Seat technology.

The 113-40-06 is equipped with two large 2-1/2 inch single-scale gauges, providing clear readouts for both cylinder pressure and delivery pressure. For systems integration, the regulator body is tapped to accommodate rear panel mounting, making it suitable for fixed installations in gas distribution panels or machinery. While classified as a general-purpose regulator, it is not intended for applications requiring ultra-high purity (where inboard diffusion is a concern) or extremely precise low-pressure control, but it excels in standard industrial pneumatic and shielding gas tasks.