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0781-0527 - Victor SR450 Series Heavy Duty Oxygen Regulator 5-125 PSI

Packaging: 1 per each
$648.32/ea $449.99/1 per each only $449.99/eaSave 31%

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OVERVIEW

Victor SR450D-540: The Heavy-Duty Choice for Industrial Oxygen Control

When your fabrication projects demand reliable gas flow and rugged durability, the Victor SR450D-540 Oxygen Regulator stands out as the industry standard. Known for its "tried and true" brass design, this regulator is built to handle the toughest environments, from structural steel fabrication yards to busy repair and maintenance shops. If you are running heavy cutting torches or high-capacity heating tips, the SR450D-540 ensures that your oxygen flow remains steady and safe, allowing you to focus on the quality of your cut or weld rather than your equipment settings.

The SR450D-540 is designed for heavy to high-capacity workloads. It offers a delivery pressure range of 5-125 PSIG, making it versatile enough for a wide variety of oxy-fuel applications. One of the standout features for daily users is the smooth adjustment mechanism. Thanks to a Delrin cap bushing and a stainless ball in the key, dialing in your exact pressure is effortless, even when wearing heavy welding gloves. The large T-handle gives you the leverage you need for precise control without binding or sticking. Furthermore, the 2.5-inch brass gauges are easy to read at a glance, helping you monitor your cylinder levels and line pressure efficiently.

Durability is where the Victor brand truly shines. The forged brass body and housing cap are virtually indestructible in normal shop use, resisting the knocks and drops that would crack cheaper alloy regulators. Inside, a stainless steel diaphragm replaces the standard rubber components found in economy models, providing accurate, long-lasting service that won't degrade over time. Whether you are outfitting a new torch rig or replacing an old, worn-out regulator, the Victor SR450D-540 (0781-0527) delivers the performance and peace of mind that professional welders expect from top-tier equipment.

Recommended Applications

  • Industrial Fabrication: Consistent flow for continuous cutting and welding operations.
  • Structural Steel: Rugged construction survives the hazards of construction sites and steel yards.
  • Repair and Maintenance: Versatile pressure range covers most heating and cutting needs.
  • Heavy Duty Cutting: Supports the high oxygen volume required for thick plate cutting.
Additional Information
Brand:Victor
Cga Fitting:CGA 540
Item:Regulator
Max Inlet:3000 PSI
Max Outlet:125 PSI
Used On Which Gas:Oxygen
Packaging Description:1-per-each
Gas Type:Oxygen
Connection Type (CGA):CGA-540
Flow Range:5 - 125 PSIG
Inlet Pressure:3000 PSIG Max
Gauge Type:2.5" Brass
Body Material:Forged Brass
Diaphragm Material:Stainless Steel (3.25")
Outlet Connection:9/16" - 18 (RH Male)
Pressure Relief Type:External Self-Reseating
Applications:Industrial Fabrication, Structural Steel, Repair and Maintenance
Used On Which Gas?:Oxygen

INCLUDED

  • 1x Victor SR450D-540 Heavy Duty Oxygen Regulator
  • 1x Set of Instructions/Warranty Information

APPLICATIONS

  • Industrial and General Fabrication
  • Structural Steel Erection and Fabrication
  • Heavy Equipment Repair and Maintenance
  • Light to Heavy Fabrication Shops
  • Oxy-Fuel Cutting and Heating

FAQ

The delivery pressure range is 5 to 125 PSIG.

It features a CGA-540 inlet connection, which is the standard for industrial oxygen cylinders.

The diaphragm is made of 3-1/4 inch stainless steel, providing greater accuracy and longevity compared to rubber diaphragms.

The maximum inlet pressure rating is 3000 PSIG.

Yes, Victor products typically come with a manufacturer's warranty. Please check the specific warranty details included in the box or on the manufacturer's website.

Yes, the SR450 series is designed for heavy to high-capacity applications, making it suitable for heavy-duty cutting and heating.

The regulator is equipped with 2-1/2 inch brass gauges.

No, the SR450D-540 is a single-stage heavy-duty regulator. If you require constant delivery pressure regardless of cylinder decay for laboratory precision, a two-stage model might be preferred, but this unit is excellent for industrial use.

CATALOGUE & SPEC SHEETS

Spec Sheet
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