0311-0650 - Victor 15-A-MFA Acetylene Rosebud Heating Tip

Heavy-Duty Heating with Victor 15-A-MFA

When your fabrication project requires serious heat, the Victor 0311-0650 15-A-MFA Heating Tip is the tool of choice for professionals. This heavy-duty heating nozzle is designed to turn your oxy-acetylene torch into a powerhouse of thermal energy. Commonly referred to as a "rosebud" due to its multi-orifice head, this tip is engineered to maximize the combustion efficiency of acetylene, delivering a hot, stable flame that penetrates deep into the base metal.

The 15-A-MFA is indispensable in industries such as shipbuilding, structural steel erection, and heavy equipment repair. Its primary function is to raise the temperature of large metal workpieces rapidly. This is critical for applications like preheating prior to welding to prevent cracking, flame straightening to correct warping in welded structures, and hot bending of pipes or bars. The Size 15 rating indicates a high flow capacity, meaning this tip can tackle the thickest materials that standard tips simply cannot heat effectively.

Why Choose Victor MFA Tips?

Victor's reputation for quality is built into every aspect of this tip. The precision-drilled flame ports ensure a uniform flame pattern, preventing hot spots and ensuring consistent heating. The robust construction withstands the rigors of daily shop use, including exposure to high reflected heat. Unlike propane tips, this acetylene-specific nozzle allows for a more concentrated heat input, which is often preferred for localized heating tasks where controlling the heat affected zone (HAZ) is important.

Safety and Usage

Safety is paramount when using high-capacity heating tips. The 15-A-MFA requires a heavy-duty torch handle and 3/8" hose to ensure adequate gas flow. Operators should verify that their regulator and cylinder setup can sustain the required flow rates without starving the tip, which could lead to flashbacks. Always use this tip with a flashback arrestor system rated for high flow. By choosing the Victor 15-A-MFA, you are investing in efficiency, reducing the time it takes to reach critical temperatures, and ensuring high-quality results in your metalworking projects.