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RHT8310 - Uniweld RHT8310 Heavy Duty Two-Stage Oxygen Regulator, CGA 540, 5-125 PSIG

Packaging: 1 of each
$520.84/ea $347.23/1 of each only $347.23/eaSave 33%

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OVERVIEW

Uniweld RHT8310: The Welder's Choice for Consistent Flame Control

Every experienced welder knows that a stable flame is the foundation of a quality cut or weld. The Uniweld RHT8310 Two-Stage Oxygen Regulator is designed to provide exactly that—unwavering pressure control that lets you focus on your puddle, not your settings. Unlike single-stage regulators that require you to constantly tweak the pressure knob as your oxygen tank gets low, this two-stage workhorse maintains your set delivery pressure from a full tank right down to the bottom. This means no more blown holes or lost preheat due to sudden pressure spikes or drops.

This regulator is part of Uniweld's Medium/Heavy Duty series, making it a perfect fit for fabrication shops, shipyards, and construction sites. It features a robust brass body that can take a beating and keep on performing. The large, easy-to-read gauges allow you to monitor both your cylinder contents and your delivery pressure at a glance, even in low-light conditions. With a delivery range of 5-125 PSIG, you have the power to run large cutting torches capable of slicing through thick steel plate, or dial it down for precise heating applications.

Setup is straightforward with the industry-standard CGA 540 connection for oxygen and a 9/16" - 18 Right Hand outlet for your hose. The internal mechanics are protected by a sintered metal filter, which stops dirt and debris from ruining the seat—a common cause of regulator creep and failure. When you need a regulator that works as hard as you do and guarantees a neutral flame throughout the entire job, the Uniweld RHT8310 is the tool you want on your rig.

Why Welders Prefer Two-Stage Regulators

  • Set It and Forget It: Once you set your pressure, it stays there, regardless of how much gas is left in the bottle.
  • Precision Cutting: Maintains the critical oxygen stream pressure needed for clean, slag-free cuts.
  • Durability: Designed to handle the high-pressure demands of daily welding and cutting operations.
Additional Information
Brand:Uniweld
Cga Fitting:CGA 540
Item:Regulator
Max Outlet:125 PSI
Used On Which Gas:Oxygen
Packaging Description:1-per-ea
Gas Type:Oxygen
Connection Type (CGA):CGA 540
Inlet/Outlet Pressure:5 - 125 PSIG Delivery
Connection Sizes:Inlet: CGA 540, Outlet: 9/16" - 18 (M) RH "B"
Stage Type:Two Stage
Body Material:Brass
Applications:Medium to Heavy Duty Cutting, Welding, Brazing
Max Inlet:4500 PSI
Used On Which Gas?:Oxygen

INCLUDED

  • 1x Uniweld RHT8310 Two-Stage Oxygen Regulator
  • 1x Set of Operation Instructions

APPLICATIONS

  • Heavy-duty oxy-fuel cutting
  • Welding and brazing operations
  • Industrial fabrication shops
  • Shipbuilding and repair
  • Structural steel manufacturing
  • Laboratory gas delivery systems

FAQ

A two-stage regulator reduces cylinder pressure in two steps, providing a constant delivery pressure even as the cylinder empties. A single-stage regulator may show a slight increase or decrease in delivery pressure as the cylinder pressure drops, requiring manual adjustment.

This regulator is designed specifically for Oxygen gas service and features a CGA 540 inlet connection.

The RHT8310 has a delivery pressure range of 5 to 125 PSIG.

It features a standard "B" size 9/16" - 18 Right Hand (Male) outlet connection, which fits standard oxygen welding hoses.

No, this regulator is built for Oxygen only. Acetylene and Propane require different internal components and connection fittings (CGA 510 or CGA 300/510) for safety.

Yes, the Uniweld RHT8310 is a medium/heavy-duty regulator suitable for industrial cutting, welding, and heating applications.

Yes, it comes equipped with two gauges: one to indicate the cylinder pressure and one to indicate the delivery (working) pressure.
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