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The VICTOR 0781-3573 is a carbon dioxide welding regulator designed to control and deliver CO2 gas at working pressures up to 40 psi. It features a CGA 320 inlet connection with a female fitting and right-hand rotation, making it compatible with standard CO2 cylinder valves used in welding and fabrication environments. This regulator is intended for installation by welding professionals and industrial gas technicians who require reliable pressure regulation for MIG welding shielding gas applications or other CO2-fed processes.
This regulator is suited for use in both shop and field welding setups where carbon dioxide is used as a shielding gas or blended with other gases for MIG welding. It is appropriate for light industrial and professional fabrication environments. The CGA 320 inlet is the standard connection type for CO2 cylinders in North American welding applications, making this regulator a direct fit for common supply configurations.
Designed for use with carbon dioxide gas cylinders equipped with a CGA 320 valve outlet, which is the standard configuration for CO2 cylinders in North American welding supply applications.
Installation should be performed by a qualified welding technician or industrial gas professional. Always close the cylinder valve and relieve all pressure from the regulator before connecting or disconnecting. Hand-tighten the CGA 320 connection first, then use an appropriate wrench to secure without over-torquing. Inspect the inlet connection and seating surfaces for damage or debris before attaching to the cylinder.
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