826-0026 - Miller Smith 820 Silverline High Pressure Regulator, 0-4000 PSI, CGA 347

Technical Overview: Miller Smith 826-00-26 Silverline Regulator

The Miller Smith 826-00-26 is a premium component of the 820 Silverline Series, engineered specifically for high-pressure analytical and industrial applications. This single-stage regulator is designed to manage non-corrosive inert gases with precision, offering a substantial delivery pressure range of 0-4000 PSIG. It is rated for a maximum inlet pressure of 6000 PSIG, making it suitable for high-pressure cylinders utilizing the CGA 347 connection standard. The unit features a robust piston sensor design, which provides superior structural integrity and reliability compared to diaphragm-based equivalents when operating at these elevated pressures.

Construction quality is a hallmark of the Silverline series. The body, bonnet, and gauges are manufactured from brass and finished with a durable nickel plating. This plating not only enhances the aesthetic but, more importantly, protects the regulator from corrosion, thereby extending its service life in demanding laboratory or plant environments. The regulator is fully cleaned for oxygen service, ensuring versatility across various gas types, provided they are non-corrosive. The internal mechanism includes a self-relieving adjusting screw, engineered for low-torque operation. This feature permits smooth and easy adjustment of delivery pressure, even in closed or dead-end systems, reducing operator fatigue and improving control accuracy.

For integration into analytical systems, the 826-00-26 is equipped with a 1/4-inch FNPT outlet connection. Safety and environmental control are addressed via the bonnet vent hole, which is tapped (1/16-inch FNPT) to allow for the installation of a captured vent line, enabling the safe diversion of vented gases away from the immediate work area. The regulator also supports rear panel mounting, as the body is tapped to accommodate standard installation configurations. Instrumentation includes large 2-1/2 inch single-scale gauges, which facilitate accurate pressure monitoring from greater distances than standard 2-inch gauges. Every unit is 100% tested at its maximum rated operating pressure prior to shipment, ensuring compliance with rigorous safety and performance standards.