312-68000000 - Miller Smith Silverline 310 Series High Purity Stainless Steel Regulator, 0-100 PSIG

Precision Control for High Purity Applications

The Miller Smith 312-68-00-00-00 is a premier single-stage regulator from the renowned Silverline 310 Series, meticulously engineered for the control of high purity, corrosive, non-corrosive, and toxic gases. Designed to meet the stringent demands of analytical laboratories and specialty gas delivery systems, this regulator features a body, diaphragm, and seat assembly constructed entirely from 316 stainless steel. This material selection ensures minimal off-gassing and maximum resistance to corrosive media, preserving the integrity of your gas stream.

At the heart of the 312-68000000 is a specially designed convoluted stainless steel diaphragm. Unlike standard flat diaphragms, this convoluted design provides superior sensitivity and stable regulation of delivery pressure across the 0-100 PSIG range. The metal-to-metal diaphragm seal eliminates the need for elastomeric seals that can degrade or contaminate the flow path, ensuring maximum leak integrity—a critical factor when handling hazardous or expensive specialty gases.

Safety and versatility are built into the design. The regulator includes a captured vent port (1/16" FNPT) in the bonnet, allowing for the safe piping and venting of hazardous gases in the unlikely event of a diaphragm failure. The unit is also designed for flexibility in installation, featuring a threaded bonnet for front panel mounting and a tapped body for rear panel mounting. With a maximum inlet pressure of 3500 PSIG and large, easy-to-read 2-1/2" gauges, this regulator provides the reliability and precision required for critical instrumentation and process control.