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62-5AFL Harris 62-5AF Propane or Natural Gas Cutting Torch, with 70° Head
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    Rapid Ref : 62-5AFL  

    Harris 62-5AF Propane or Natural Gas Cutting Torch, with 70° Head
    62-5AFL

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    Prices From £269.48 ex VAT
    • Cuts up to 300mm steel
    • Solid forged brass head and lever
    • Triangular tube design
    • Brazed connections
    • Head mixing
    • For use with 6290 tips

    Product Details

    The Model 62-5 is a heavy duty straight cutting torch that is the most recognizable Harris torch. The 62-5 has become an industry standard. It is known as less expensive to own and operate and it is safer to use. Its triangular tube design and brazed connections offer strength, safety, and a long service life.

    The 62-5F is designed to provide maximum performance using low-cost alternate fuel gases. Harris special “F” injector can produce the hottest flame possible at the lowest gas pressures, making it the safest, most efficient design in the industry.

    Brochures & Manuals

    BROCHURES & MANUALS
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    Harris Injector Mix Torches FAQs

    Answers to common questions about how injector mix cutting torches work, which fuel gases and nozzles to use, and how to use them safely.

    How does an injector mix cutting torch work, and how is it different from a nozzle mix torch?icon-minus-redicon-plus-red

    In an injector torch, the preheat gases are mixed inside the torch body, gas tubes or head. The higher-pressure oxygen flows through an injector and draws the fuel gas in with it, so the fuel gas does not need to be supplied at the same pressure.

    In a nozzle mix torch the oxygen and fuel gas travel separately and only meet in the nozzle. Both types are used for steel cutting; the injector design is the one to look at when the fuel gas supply is at low pressure.

    Why would I choose an injector torch?icon-minus-redicon-plus-red

    Because the oxygen does the work of drawing the fuel gas in, an injector torch can run on low fuel gas pressures and over long hose lengths. That makes it a common match for fuel gas supplies where the pressure is modest, and it suits workshop and site cutting where the hoses are long.

    The trade-off is that the oxygen supply pressure matters more, so the torch and nozzle must be set up to the maker's instructions. Do not mix parts between different torch types unless the maker says they are compatible.

    Can I use acetylene, propane or natural gas with an injector torch?icon-minus-redicon-plus-red

    It depends on the torch. Cutting torches are made for particular fuel gases, and some are suitable for one fuel only, while others cover several. Acetylene gives the hottest flame and pierces fastest, which suits thin sheet and short cuts. Propane pierces more slowly but tolerates a greater nozzle-to-work distance and usually leaves a smoother edge with less slag.

    The torch and the nozzle must both be marked for the fuel gas you intend to use, and each torch should be fitted with the nozzle intended for that fuel. If the markings or maker's data do not say so, do not assume it is suitable.

    How do I choose the right cutting nozzle?icon-minus-redicon-plus-red

    The cutting oxygen hole is chosen according to the thickness of the material, so thicker steel needs a larger bore. The type of nozzle also depends on the fuel gas, and on whether the cutting is done by hand or by machine.

    Use the torch maker's cutting chart for nozzle size, oxygen pressure and fuel gas setting. Fit only nozzles intended for your torch and fuel gas, and replace nozzles that are damaged or worn rather than trying to make them last.

    See all 6 questions for this category

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