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320-00250000 - Miller Smith 320 Series High Purity SS Two-Stage Regulator, CGA 660, 0-25 PSI

Packaging: 1 per ea
$2,527.93/ea $1,661.38/1 per ea only $1,661.38/eaSave 34%

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OVERVIEW

Rugged Durability for Corrosive Industrial Environments

In the demanding world of industrial gas handling, the Miller Smith 320-00-25-00-00 Two Stage Regulator stands out as a robust workhorse designed to tackle the toughest corrosive environments. Whether you are managing process gases in chemical manufacturing or handling specialty mixtures for welding and fabrication, this regulator provides the reliability and safety you need. Built with a 316 stainless steel body and wetted parts, it offers superior resistance to corrosion, ensuring that the equipment withstands exposure to harsh chemicals like ammonia, sulfur dioxide, or nitric oxide mixtures often found in industrial settings.

The two-stage architecture of this regulator is a key advantage for professionals who demand consistency. Single-stage regulators often suffer from "decay," where the outlet pressure rises as the cylinder pressure falls. The Miller Smith 320 Series eliminates this issue, delivering a stable 25 PSI output throughout the entire life of the cylinder. This stability is crucial for maintaining process integrity and preventing costly downtime or product defects. The unit is equipped with a CGA 660 connection, specifically designed for use with corrosive gases, ensuring a secure and standardized fit for your gas cylinders.

Safety is built into every aspect of this device. The regulator features a captured vent port in the bonnet, a critical safety feature that allows hazardous fumes to be piped away safely, protecting operators and the workspace. The metal-to-metal diaphragm seal not only ensures a leak-tight seal but also enhances the durability of the unit under varying pressure conditions. It is also capable of withstanding internal vacuums, which is necessary for effective purging cycles to clear lines of hazardous residues. With its heavy-duty construction, clear 2-1/2 inch gauges, and proven Miller reliability, this regulator is an investment in safety and efficiency for any operation dealing with corrosive or high-purity gases.

Additional Information
Brand:Smith Equipment
Item:Regulator
Cga Fitting:CGA 660
Max Inlet:3500 PSI
Max Outlet:25 PSI
Used On Which Gas:Corrosive Gas, Specialty Gas
Material:316 Stainless Steel
Stage Type:Two Stage
Diaphragm Type:Convoluted Stainless Steel
Seat Material:PCTFE
Gauge Size:2-1/2 inch
Port Configuration:1/4" FNPT
Packaging Description:1 per ea

INCLUDED

  • Miller Smith 320 Series Two-Stage Regulator
  • Instruction Manual

APPLICATIONS

  • Analytical Instrumentation
  • Gas Chromatography
  • EPA Protocol Gases
  • Corrosive Gas Handling
  • Laser Gas Systems
  • Emission Monitoring Systems
  • Petrochemical Processing
  • Pharmaceutical Manufacturing

FAQ

A two-stage regulator reduces the cylinder pressure in two steps, which allows it to maintain a constant delivery pressure regardless of fluctuations in the inlet pressure as the cylinder empties. This is critical for applications requiring stable pressure over long periods.

316 Stainless Steel is used for its superior corrosion resistance and non-reactive properties. It ensures the regulator can safely handle corrosive gases and maintains high purity by preventing contamination from the regulator body itself.

The CGA 660 connection is typically used for corrosive gases such as Nitric Oxide, Nitrogen Dioxide, Sulphur Dioxide, and various corrosive mixtures. Always verify your cylinder's valve type before connecting.

Yes, the front and rear bonnets of the Miller Smith 320 Series are threaded, allowing for secure front panel mounting in instrumentation panels or gas cabinets.

The captured vent port (1/16" FNPT) allows you to connect a tube to pipe away gases safely. In the rare event of a diaphragm failure, hazardous or corrosive gases are vented to a safe location rather than into the immediate workspace.

Yes, the design is engineered to withstand internal vacuums, which is essential for performing purge cycles to remove atmospheric air or hazardous gas residues during cylinder changes.

This specific model (320-00-25-00-00) is designed for a low delivery pressure range of 0-25 PSI, offering precise control for sensitive low-pressure applications.

Yes, the manufacturer notes that a Cross Purge Assembly must be used with this series of regulators to ensure effective purging of hazardous gas traces during cylinder changes.
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