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0311-0537 - Victor 6-MFA Acetylene Heating Nozzle for 300 Series Handles

Packaging: pack of 1
$261.36/EA $182.56/pack of 1 only $182.56/EASave 30%

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OVERVIEW

Victor 0311-0537 6-MFA Multiflame Heating Tip Overview

The Victor 0311-0537 is a specialized Multiflame Heating Tip, designated as model 6-MFA, designed to provide high-capacity heating solutions for industrial applications. Manufactured by Victor, a leader in gas equipment, this nozzle is engineered to deliver a concentrated yet broad heat output, making it an essential component for professionals engaged in metalworking tasks such as heat treating, straightening, and priming. The unit is specifically calibrated for use with Acetylene and Hydrogen fuel gases, ensuring optimal combustion efficiency and safety standards are met during operation.

This heating assembly features a substantial length of 12 inches. This extended design serves a dual purpose: it allows the operator to reach difficult-to-access areas on large workpieces and provides a necessary safety distance between the user's hands and the high-temperature zone. The tip is constructed to fit Victor 300 Series Torch Handles, a standard in heavy-duty oxy-fuel equipment, ensuring broad compatibility with existing workshop tools. The connection mechanism is designed for a secure fit, minimizing the risk of gas leaks and ensuring consistent flow rates during prolonged use.

Technically, the 6-MFA tip utilizes a multi-flame head configuration. Unlike single-point cutting tips or welding nozzles, the multi-flame design (often referred to as a "rosebud") distributes heat over a wider surface area. This is critical for processes that require uniform temperature elevation across a specific zone without melting the base metal locally. The internal mixer and orifice geometry are precision-machined to handle the flow requirements of Acetylene, preventing flashbacks and sustaining a stable flame even under high-output conditions. The product originates from Mexico and adheres to Victor's rigorous quality control specifications.

In MRO (Maintenance, Repair, and Operations) contexts, the 0311-0537 is a vital stock item for facilities handling structural steel, heavy machinery repair, and fabrication. Its ability to rapidly bring metal to critical temperatures for bending or stress relieving reduces downtime and increases process throughput. Users must ensure their gas supply system (regulators and hoses) is rated for the flow capacity required by a size 6 heating tip to prevent starvation and potential equipment damage.

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.