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Victor 6-MFA Acetylene Heating Nozzle for 300 Series Handles

$261.36/EA $181.26/pack of 1 only $181.26/EASave 31%

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OVERVIEW

Master Heavy Heating Jobs with the Victor 6-MFA Tip

When it comes to bending thick steel, preheating heavy plate for welding, or straightening warped structural members, a standard welding tip just won't cut it. You need the raw thermal power and distribution of the Victor 6-MFA Multiflame Heating Tip (0311-0537). Designed for the professional welder and fabricator, this heavy-duty "rosebud" style nozzle turns your standard oxy-acetylene setup into a high-output heating machine. Whether you are working in a shipyard, a structural steel yard, or an automotive frame shop, the 6-MFA delivers the BTUs you need to get the metal moving.

Optimized for Acetylene Performance
The 6-MFA is specifically engineered for Acetylene and Hydrogen gases. Acetylene is prized for its high flame temperature and heat transfer capability, and this tip maximizes that potential. The multi-flame head features a cluster of precision-drilled ports that produce a stable, intense flame pattern. This allows you to soak heat into the workpiece rapidly and evenly, which is essential for tasks like shrinking metal or preheating cast iron before welding to prevent cracking. The efficiency of the design means you spend less time waiting for the metal to turn cherry red and more time getting the job done.

Safety and Reach
One of the standout features of the 0311-0537 is its 12-inch length. Heating large metal sections radiates a tremendous amount of heat back toward the torch handle and the operator's gloves. The extended tube of the 6-MFA keeps you at a comfortable distance, reducing fatigue and the risk of burns. It also allows you to reach into deep assemblies or around obstacles without compromising your torch angle. This ergonomic advantage is a game-changer during long heating cycles common in heavy equipment repair.

Compatibility You Can Trust
This tip is built to fit the industry-standard Victor 300 Series Torch Handles. If you are already running a heavy-duty Victor outfit, this tip will thread right on, expanding the versatility of your existing equipment. Ruggedly constructed to withstand the knocks and drops of the shop floor, the Victor 6-MFA is a reliable investment for any serious metalworker looking to expand their thermal processing capabilities.

Additional Information
Brand:Victor
Fits Which Handle:300 Series Torch Handle
Fuel Gas:Acetylene
Item:Heating Tip
Tip Size:6-MFA
Length:12 in
Gas Compatibility:Acetylene, Hydrogen
Application:Heat Treating, Straightening, Priming
Country Of Origin:Mexico
Packaging Description:pack of 1

INCLUDED

  • 1x Victor 0311-0537 6-MFA Multiflame Heating Tip

APPLICATIONS

  • Heat Treating: Localized hardening or annealing of metal components.
  • Straightening: Correcting warpage in steel plates, beams, and frames.
  • Priming/Preheating: Raising the temperature of base metals prior to welding to reduce thermal shock and cracking.
  • Bending: Heating bars, pipes, and flats to facilitate manual or mechanical bending.
  • Descaling: Flame cleaning surfaces to remove rust, scale, or paint (with appropriate caution).

FAQ

The Victor 6-MFA (0311-0537) is designed to fit Victor 300 Series Torch Handles. It is not compatible with the smaller 100 series handles.

This tip is specifically designed for use with Acetylene or Hydrogen. It should not be used with Propane, Propylene, or Natural Gas, as the injector and tip design are not optimized for those alternate fuels.

The total length of the Victor 6-MFA tip assembly is 12 inches, providing extended reach and distance from the heat source.

No, the 6-MFA is a multi-flame heating nozzle (rosebud) intended for heating applications like straightening and preheating. It does not have the central oxygen jet required for oxy-fuel cutting.

Yes, size 6 heating tips consume a significant volume of gas. Ensure your acetylene cylinder is large enough to support the withdrawal rate (1/7th rule) and that your regulators and hoses are rated for the required flow to prevent starvation and flashbacks.

The primary applications include heat treating, metal straightening, priming, and preheating heavy plate prior to welding.

The MFA series tips typically integrate the mixing chamber and the tip tube into a single assembly or require a specific separate mixer depending on the exact handle configuration, but generally, for 300 series, the mixing function is handled by the compatible handle/mixer setup designed for MFA tips.

MFA tips are designed for Acetylene gas, while MFN tips are designed for Natural Gas, Propane, and Propylene. Using the wrong gas with the wrong tip can be dangerous and ineffective.