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121-2005 - Miller Smith Silverline 2-Stage Regulator, 0-50 PSI, CGA 346

Packaging: 1 per ea
$947.37/ea $573.29/1 per ea only $573.29/eaSave 39%

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OVERVIEW

Reliable Two-Stage Regulation for Professional Shops

When your work demands consistency, the Miller Smith 121-20-05 Silverline Series Regulator delivers. This general-purpose two-stage regulator is the go-to solution for welders, fabricators, and technicians who need stable pressure control for compressed air and inert gases. Whether you are running pneumatic tools, purging lines with nitrogen, or managing gas distribution in a workshop, the two-stage design ensures that your output pressure stays exactly where you set it, regardless of how much gas is left in the tank. Say goodbye to the need for constant manual adjustments as your cylinder empties.

Built Tough for Daily Use

Miller Smith is synonymous with quality, and the Silverline series is no exception. The 121-20-05 is crafted from solid brass bar stock, ensuring it can handle the bumps and knocks of a busy shop floor. The entire unit—including the body, bonnet, and gauge casings—is plated to resist corrosion and keep the regulator looking professional for years. The large, easy-to-read 2-1/2 inch gauges make checking your levels simple, even from a distance. Inside, the filtered seat design prevents dirt and particles from damaging the internal components, ensuring a clean gas stream and a long operational life.

Versatile Application

This regulator is equipped with a CGA 346 inlet connection, making it specifically compatible with standard compressed air cylinders, though the internal design is rated for Nitrogen, CO2, and Argon as well. With a delivery range of 0-50 PSI, it provides the fine-tuned control necessary for delicate applications while retaining the capacity for general maintenance tasks. The rear panel mounting capability adds another layer of versatility, allowing you to integrate it seamlessly into custom workstations or gas manifolds. Invest in the Miller Smith 121-20-05 for a regulator that combines precision, safety, and heavy-duty durability.

Additional Information
Brand:Smith Equipment
Packaging Description:1 Per Ea
Gas Service:Air, Inert Gas, Nitrogen, CO2, Argon
Stage Type:Two Stage
Inlet Connection:CGA 346
Delivery Pressure Range:0-50 PSI
Max Inlet Pressure:3500 PSI
Gauge Size:2-1/2 inch
Diaphragm Size:1-7/8 inch
Material:Plated Brass
Series:Silverline 120 Series

INCLUDED

  • 1x Miller Smith 121-20-05 Silverline Two-Stage Regulator
  • 1x Set of 2-1/2 inch Single Scale Gauges
  • 1x CGA 346 Inlet Connection
  • 1x Instruction Manual

APPLICATIONS

  • Laboratory gas control
  • General plant maintenance
  • Pneumatic tool operation
  • Inert gas purging (Nitrogen/Argon)
  • Compressed air supply stations
  • Test bench applications

FAQ

A two-stage regulator, like the Miller Smith 121-20-05, reduces cylinder pressure in two steps. This allows it to maintain a constant delivery pressure even as the pressure in the supply cylinder drops. Single-stage regulators typically require manual adjustment as the cylinder empties to maintain the same output pressure.

The regulator is designed for inert and non-corrosive gases such as Air, Nitrogen, CO2, and Argon. However, it comes equipped with a CGA 346 inlet connection, which is the standard fitting for compressed air. Adapters may be required for other gas cylinders depending on their specific CGA fittings.

This Silverline series regulator has a delivery pressure range of 0-50 PSI, making it suitable for low to medium pressure applications.

Yes, it includes a preset safety relief valve that vents to the atmosphere. This feature makes it suitable for non-hazardous gases only.

Yes, the body of the regulator is tapped to allow for rear panel mounting, which is ideal for fixed installations in laboratories or workshops.

The Miller Smith 121-20-05 is rated for a maximum inlet pressure of 3500 PSIG.

Sure-Seat technology is a filtered seat design used by Miller Smith to prevent debris and contaminants from entering the high-pressure seat area, ensuring gas purity and extending the life of the regulator.

It is constructed from rugged brass bar stock with a plated finish on the body, bonnet, and gauges for enhanced durability and corrosion resistance.