Skip to Main Content
Canadian
Canadian owned and operated

620-40030000 - Miller Smith 620 Silverline High Purity Two-Stage Regulator CGA 326

Packaging: 1 per ea
$1,318.01/ea $866.21/1 per ea only $866.21/eaSave 34%

Usually ships within 3-5 business days

OVERVIEW

Industrial Grade Reliability with Laboratory Precision

The Miller Smith 620-40-03-00-00 Silverline Regulator represents the intersection of industrial durability and analytical precision. Built by Miller Smith, a name synonymous with quality gas equipment, this two-stage regulator is designed to handle high-pressure inputs up to 3500 PSI while delivering a precise, low-pressure output of 0-30 PSI. It is the ideal choice for welders and fabricators working with specialty shielding gases or process gases requiring CGA 326 connections, ensuring that your equipment receives a consistent flow without pressure spikes.

Built to Last

Constructed from nickel-plated brass bar stock, the body of the 620 Series is resistant to environmental corrosion and wear. The nickel plating not only adds a layer of protection but also provides a clean, professional aesthetic suitable for visible installations. The internal components are equally robust, featuring a 316 stainless steel filter that prevents debris from entering the seat assembly, prolonging the service life of the regulator and reducing maintenance downtime.

Consistent Delivery Pressure

In professional settings, consistency is key. The two-stage architecture of this regulator ensures that your delivery pressure remains rock-steady, even as the tank pressure drops from 3500 PSI down to empty. This is particularly beneficial for long-duration processes where stopping to readjust pressure settings would be inefficient or detrimental to the work quality. The 2-1/2 inch single scale gauges are easy to read, providing clear visual confirmation of both cylinder contents and delivery pressure.

Key Features for Professionals

  • High Purity Construction: Stainless steel diaphragm and metal-to-metal seals prevent contamination.
  • Vacuum Capable: Can withstand vacuum purging, essential for clearing lines before introducing high-purity gases.
  • Panel Mount Ready: Threaded bonnets allow for secure installation in gas panels or control boards.
  • Safety Vents: Captured vents allow for the safe piping of vented gases, enhancing workplace safety.

Whether you are setting up a laser cutting station, a specialized welding cell, or a testing rig, the Miller Smith 620 Series delivers the performance and reliability professionals demand.

Additional Information
Brand:Smith Equipment
Item:Regulator
Cga Fitting:CGA 326
Max Inlet:3500 PSI
Max Outlet:30 PSI
Used On Which Gas:Nitrous Oxide, Specialty Gas
Series:620 Silverline
Stage Type:Two Stage
Body Material:Nickel Plated Brass
Diaphragm Material:Stainless Steel
Delivery Range:0-30 PSI
Gauge Size:2-1/2 inch
Packaging Description:1 per ea

INCLUDED

  • Miller Smith 620 Series Two-Stage Regulator
  • Owner's Manual
  • Warranty Information

APPLICATIONS

  • Gas Chromatography
  • EPA Protocol Gas Standards
  • Laser Gas Systems
  • Emission Monitoring Systems
  • Research and Development Laboratories
  • High Purity Welding Shielding Gas

FAQ

A two-stage regulator reduces cylinder pressure in two steps, which provides a constant delivery pressure regardless of changes in the inlet (cylinder) pressure. This eliminates the need to readjust the regulator as the cylinder empties.

CGA 326 is typically used for Nitrous Oxide and certain other specialty gas mixtures. Always verify your cylinder valve connection matches the regulator before use.

No, the Miller Smith 620 Silverline series is designed for non-corrosive high-purity gases. For corrosive applications, a stainless steel body regulator would be required.

The stainless steel diaphragm provides a metal-to-metal seal that prevents outgassing and absorption of contaminants, which can occur with rubber or neoprene diaphragms. This ensures the purity of the gas stream is maintained.

Yes, the design is capable of withstanding internal vacuums, making it suitable for purge operations required to maintain system purity.

This regulator is rated for a maximum inlet pressure of 3500 PSI.

Yes, it features threaded front and rear bonnets specifically designed to facilitate panel mounting.

The regulator includes captured 1/16" FNPT vent ports in the bonnet. This allows any vented gas (in the unlikely event of a diaphragm failure) to be piped away to a safe location, which is critical for hazardous gases.
Google Rating
4.9
Based on35reviews
×
js_loader