Description The Hobbyweld 15 Ultra (Large) Cylinder Refill is a high-capacity rent-free shielding gas cylinder containing a premium shielding gas blend of 83% Argon, 15% Carbon Dioxide and 2% Oxygen. Designed for MIG welding mild and carbon steel, it delivers excellent arc stability, reduced spatter and professional-quality weld finishes.
With a 20 litre cylinder filled to 300 bar and containing approximately 6.41m3 of shielding gas, the Hobbyweld 15 Ultra provides extended welding times between cylinder changes, making it ideal for fabrication workshops, maintenance departments and professional welding applications.
This product is supplied on a refill-only basis and requires an empty Hobbyweld Ultra cylinder for exchange.
This cylinder is fitted with a built-in EN561 Quick-Action regulator. A compatible quick-fit fitting is required to connect the cylinder to your welding equipment.
Key Features • Large rent-free steel shielding gas cylinder • 20 litre cylinder capacity • Filled to 300 bar pressure • Approximate gas content: 6.41m3 • 83% Argon / 15% Carbon Dioxide / 2% Oxygen shielding gas mix • Built-in EN561 Quick-Action regulator • UN 1956, Class 2.2 non-flammable compressed gas • Designed for MIG welding mild and carbon steel • Smooth arc characteristics with reduced spatter • Suitable for welding steel up to approximately 15mm thick • Professional-quality weld finish • Approximate run time: 12 to 15 hours depending on flow rate • Quick-fit fitting required • Refill exchange cylinder • Part Number: PR523067
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