323-67210000 - Miller Smith 320 Series High Purity SS Two-Stage Regulator, CGA 326, 250 PSI

Precision Control for High Purity Applications

The Miller Smith 323-67-21-00-00 is a premium high-purity, two-stage regulator designed specifically for the rigorous demands of analytical and process applications involving corrosive and non-corrosive gases. Part of the renowned 320 Silverline Series, this regulator is engineered to provide an extremely stable delivery pressure, unaffected by the inevitable fluctuations in cylinder pressure as the gas supply is consumed. This characteristic makes it an indispensable tool for laboratories, research facilities, and industrial processes where consistency is critical.

Constructed from high-grade 316 Stainless Steel bar stock, the body and wetted parts offer superior resistance to corrosion, ensuring the integrity of both the equipment and the gas stream. The regulator features a unique metal-to-metal diaphragm seal, which provides maximum leak integrity—a vital feature when handling hazardous or expensive specialty gases. The convoluted stainless steel diaphragm is designed for precise pressure control, offering a delivery range of 0-250 PSIG.

Safety and longevity are at the core of the 323-67-21-00-00's design. It includes a 316 stainless steel filtered seat that protects the internal mechanism from particulate contamination, thereby extending the service life of the unit. Additionally, the bonnet is equipped with captured vent ports (1/16" FNPT), allowing for the safe piping and venting of hazardous gases in the unlikely event of a diaphragm failure. This regulator is also capable of withstanding internal vacuums, making it suitable for purging operations essential in high-purity environments.

Key Technical Specifications:

• Series: 320 Silverline
• Inlet Connection: CGA 326 (Stainless Steel)
• Max Inlet Pressure: 3500 PSIG
• Delivery Range: 0-250 PSIG
• Seat Material: PCTFE
• Gauges: 2-1/2" Single Scale