CGA 580 Cylinder Valve
For Argon, Helium, and Nitrogen Cylinders
The CGA 580 Cylinder Valve is a high-pressure valve for argon, helium, and nitrogen gas cylinders. It provides safe and reliable gas control for industrial use.
DSW is an industrial gas equipment supplier. We manufacture CGA 580 valves from heavy-duty forged brass to ensure strong performance, good sealing, and long service life.
DSW CGA 580 valves are commonly used in welding, metal fabrication, laboratories, and industrial gas supply systems. They fit seamless steel gas cylinders with a CGA 580 outlet and a 3/4″ NGT inlet.
CGA580 Gas Valves Specification







INERT GAS VALVE – CGA580, 3/4″ NGT – ARGON, HELIUM, NITROGEN
This DSW inert gas valve is made from heavy-duty forged brass and is specifically designed for use with argon, helium, or nitrogen in steel inert gas cylinders. Common applications include welding and other industrial uses. This inert gas valve has a CGA580 valve outlet with a 3/4″ NGT inlet and safety (burst disk).
gas cylinder valves
CGA580 outlet
3/4″ NGT inlet
Pressure relief device
Automated assembly and testing processes ensure exceptional quality
100% helium leak tested
Heavy-duty forged brass body for durability and high pressure
Precisely machined internal components meet the most stringent international valve performance standards
Pressure Relief Device (PRD) is a unitized plug design that provides excellent flow characteristics, ensures proper assembly and tamper resistance
Metal-to-metal seal below bonnet threads prevents pressure in the threads at top of valve body
Direct-drive stem design with optimized O-ring (GV) or double O-ring (GVHM) seal reduces friction and operates at exceptionally low torque levels
Tapped for dip tube as required
Must be installed by a qualified cylinder technician
Compressed gas cylinders and valves are dangerous. Use caution.
Engineering & Safety Features
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Forged Brass Valve Body
Manufactured from high-strength forged brass to withstand high pressure, mechanical stress, and long-term industrial use. -
Precision-Machined Internal Components
Tight manufacturing tolerances ensure reliable sealing and consistent valve performance. -
Integrated Pressure Relief Device (PRD)
Unitized plug-type PRD provides reliable pressure relief, stable gas flow, and strong resistance to tampering. -
Metal-to-Metal Seal Below Bonnet Threads
Prevents pressure buildup in valve threads, improving safety and ease of maintenance. -
Low-Torque Direct-Drive Stem
Optimized O-ring (GV) or double O-ring (GVHM) design reduces friction and ensures smooth operation. -
Dip Tube Capability
Valve body is tapped to allow dip tube installation when required. -
Automated Assembly and Quality Control
Produced using automated assembly and inspection processes to ensure consistent quality and reliability.
Applications
- Shielding gas supply for welding and metal fabrication
- Industrial nitrogen and argon distribution systems
- Laboratory and research gas cylinders
- Manufacturing and general industrial gas storage















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