Skip to Main Content
Canadian
Canadian owned and operated

121-4010 - Miller Smith Silverline 120 Series Two-Stage Inert Gas Regulator, CGA 590, 0-50 PSI

Packaging: 1 per ea
$930.49/ea $563.07/1 per ea only $563.07/eaSave 39%

Usually ships within 3-5 business days

OVERVIEW

Reliable Gas Control with Miller Smith Silverline Regulators

When precision and durability matter in your shop or laboratory, the Miller Smith 121-40-10 Silverline Series Regulator delivers the performance you need. Designed as a general-purpose workhorse, this two-stage regulator excels at providing a steady flow of inert gases like Air, Nitrogen, CO2, and Argon. Unlike single-stage regulators that may require frequent adjustment as your gas cylinder empties, this two-stage model automatically compensates for dropping inlet pressure, ensuring your output remains rock-steady at your set point between 0 and 50 PSI. This feature is invaluable for long-duration tasks where consistency is key to quality results.

Built to withstand the rigors of daily use, the 121-40-10 features a solid brass bar stock body that is plated for extra protection against the elements and shop wear. It isn't just tough on the outside; the internal mechanics are protected by Miller's Sure-Seat technology. This filtered seat system blocks microscopic particles from damaging the regulator's core, ensuring a clean gas stream and a longer operational life for your equipment. The large, easy-to-read 2-1/2 inch gauges allow you to check your tank levels and delivery pressure at a glance, reducing downtime and errors.

Safety is never an afterthought with Miller Smith. This regulator comes equipped with a preset safety relief valve and is backed by the renowned Miller True Blue Warranty, giving you peace of mind with every purchase. Whether you are outfitting a maintenance shop, setting up a testing bench, or managing industrial air supplies, the 121-40-10 offers the professional-grade reliability you expect from a leader in welding and gas equipment. Its CGA 590 connection ensures compatibility with standard industrial cylinders, making it a versatile addition to your toolset.

Additional Information
Brand:Miller
Packaging Description:1 Per Ea
Gas Service:Inert, Air, Nitrogen, CO2, Argon
Stage Type:Two-Stage
Delivery Pressure Range:0-50 PSIG
Inlet Connection:CGA 590
Max Inlet Pressure:3500 PSIG
Series:Silverline 120
Body Material:Brass Bar Stock
Diaphragm Size:1-7/8 inch

INCLUDED

  • 1x Miller Smith 121-40-10 Silverline Series Two-Stage Regulator
  • 1x Set of 2-1/2 inch Single Scale Gauges
  • 1x Owner's Manual

APPLICATIONS

  • General plant maintenance and repair
  • Laboratory gas control
  • Pneumatic testing and calibration
  • Inert gas shielding (Argon/CO2)
  • Industrial air supply regulation
  • Nitrogen purging applications

FAQ

This regulator is designed for inert and non-corrosive gases, specifically Air, Nitrogen, Carbon Dioxide (CO2), and Argon.

The regulator provides a delivery pressure range of 0-50 PSIG.

The 121-40-10 is a two-stage regulator, which provides constant delivery pressure regardless of inlet pressure fluctuations.

It features a CGA 590 inlet connection.

It is rated for a maximum inlet pressure of 3500 PSIG.

Yes, it is covered by the Miller True Blue Warranty.

The body is constructed from rugged brass bar stock with a plated finish.

Yes, the body is tapped for rear panel mounting.