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320-00220000 - Miller Smith 320 Series High Purity Stainless Steel Regulator, 2-Stage, CGA 330, 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

Precision and Safety with the Miller Smith 320 Series

When your work involves specialty gases that demand absolute purity and precise control, the Miller Smith 320 Series Silverline regulator is the professional's choice. Designed for welders, lab technicians, and industrial operators handling corrosive gases, this regulator combines rugged durability with laboratory-grade precision. The entire body and internal components are crafted from high-grade 316 stainless steel, providing the ultimate defense against corrosion. Whether you are working with reactive mixtures or requiring a clean environment for analytical work, this regulator ensures that your gas supply remains uncontaminated and your equipment remains protected.

Stability is paramount in precision applications, and the 320 Series delivers with its two-stage architecture. Unlike single-stage regulators that may allow delivery pressure to rise as the tank empties, this two-stage system maintains a steady 25 PSI output (or your set pressure) from a full tank down to empty. This reliability means you can focus on your process without constantly adjusting the regulator. The large, 2-1/2 inch single-scale gauges are easy to read at a glance, providing clear metrics for both cylinder contents and delivery pressure.

Safety is built into every aspect of the Miller Smith 320. Recognizing the risks associated with hazardous gases, the regulator features a captured vent port that allows you to pipe vented gases away to a safe location, protecting personnel and the workspace. The metal-to-metal diaphragm seal offers superior leak integrity compared to standard rubber seals. For applications requiring panel mounting, the threaded bonnet design makes installation clean and professional. Backed by Miller's reputation for quality, this regulator is an essential tool for high-stakes gas delivery systems.

Additional Information
Brand:Miller
Item:Regulator
Max Inlet:3500 PSI
Max Outlet:25 PSI
Cga Fitting:CGA 330
Gas Type:Specialty Gas, Corrosive Gas
Body Material:316 Stainless Steel
Diaphragm Material:Convoluted Stainless Steel
Stages:Two Stage
Filter Type:316 Stainless Steel Filtered Seat
Vent Port:1/16" FNPT Captured
Gauge Size:2-1/2"
Packaging Description:1 per ea

INCLUDED

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

APPLICATIONS

  • Analytical Laboratory Instrumentation
  • Corrosive Gas Handling
  • Petrochemical Processing
  • Semiconductor Manufacturing
  • High Purity Welding & Fabrication
  • Environmental Monitoring Systems
  • Research and Development

FAQ

The regulator body, filtered seat, and diaphragm are constructed from 316 Stainless Steel. Wetted parts include 316 Stainless Steel and PCTFE for high corrosion resistance.

The maximum inlet pressure rating is 3500 PSI.

Yes, the 316 Stainless Steel construction and metal-to-metal seals make it designed specifically for corrosive and non-corrosive high purity applications.

This model is equipped with a CGA 330 Stainless Steel fitting.

Yes, it features a captured vent port in the bonnet (1/16" FNPT) that allows for the safe venting of hazardous gases.

A two-stage regulator provides constant delivery pressure regardless of changes in the inlet (cylinder) pressure, ensuring stable flow as the tank empties.

Yes, the front and rear bonnets are threaded to allow for front panel mounting.

The regulator is designed for a delivery pressure range of 0-25 PSI (also capable of vacuum applications up to 30" HG).
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