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Brass gas regulator with dual gauges and T-handle control

Victor Thermal Dynamics

Victor Thermal Dynamics 0781-1448 Gas Regulator, Argon Helium Nitrogen Single Stage Welding

SKU CH-8KFB-1R47G

A single-stage gas regulator for argon, helium and nitrogen with a brass body, T-handle control and CGA 580 inlet connection

  • TypeWelding Supplies
  • Single-stage design simplifies setup for Argon, Helium, Nitrogen
  • Heavy-duty brass body handles 4,000 psig inlet pressure reliably
  • CGA 580 inlet fits standard high-pressure gas cylinders directly
  • Swagelok 1/4 in female outlet ensures leak-tight hose connection
  • T-handle control gives precise outlet adjustment up to 3,000 psig

Gas regulator for argon, helium, nitrogen

The Victor Thermal Dynamics 0781-1448 is a single-stage regulator built for high-pressure industrial use. It controls flow of argon, helium or nitrogen through a brass body and brass diaphragm. The CGA 580 inlet fits standard cylinders and the Swagelok outlet accepts 1/4-inch female connections. It suits welders and fabricators who need reliable gas delivery.

Brass construction handles heavy-duty cycles

Brass body and diaphragm resist wear in demanding environments. Single-stage design delivers consistent outlet pressure up to 3,000 psig from a maximum inlet gauge reading of 4,000 psig. T-handle control allows straightforward adjustment during operation. The unit is rated for heavy-duty service without additional cooling requirements.

CGA 580 inlet with Swagelok outlet

The regulator connects to cylinders via a male NGO 0.965-14 inlet and provides a female 1/4-inch Swagelok outlet. This specific pairing determines whether the unit matches your existing gas supply and downstream fittings. Verify both connections before purchase to ensure compatibility with your hose and cylinder setup.

Highlights

  • Single-stage design simplifies setup for Argon, Helium, Nitrogen
  • Heavy-duty brass body handles 4,000 psig inlet pressure reliably
  • CGA 580 inlet fits standard high-pressure gas cylinders directly
  • Swagelok 1/4 in female outlet ensures leak-tight hose connection
  • T-handle control gives precise outlet adjustment up to 3,000 psig

Specifications

BrandVICTOR
TypeWelding Supplies

Questions about this item

How do I install the Victor 0781-1448 regulator on a CGA 580 cylinder, and what step is often missed?

Thread the male 0.965-14 NGO inlet onto the CGA 580 cylinder valve, tighten with a wrench, then slowly open the cylinder valve before adjusting the T-handle; the step often missed is leak-testing the connection with approved solution before welding.

What maintenance or replacement will the Victor 0781-1448 regulator need over time?

Inspect the brass diaphragm and Swagelok outlet seal regularly; replace the diaphragm if pressure creep appears, and replace the outlet seal if gas leaks at the 1/4 inch female fitting during use.

What limit appears first when the Victor 0781-1448 runs continuously at high flow?

The single-stage design causes outlet pressure to rise as the cylinder pressure drops, so the 3,000 psig maximum outlet pressure limit is reached before the 4,000 psig gauge maximum under sustained heavy-duty use.

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