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Oxyfuel gas cutting involves heating a spot on the metal to the ignition temperature of the metal, and then applying a jet of oxygen to the spot to rapidly oxidise the metal. This oxidation is extremely rapid and burns or combusts the metal, while the jet of oxygen blows the iron oxide and slag (Iron smelting by-product) out, enabling the jet to pierce and continue to cut through the material.
Oxyfuel cutting applications are limited to carbon and low alloy steel. These materials can be cut economically, and setup is quick and simple. For manual oxyfuel gas cutting there is no electric power requirement and equipment costs are low. The Harris Oxyfuel components provided are:
Model 98-6 Machine Torch Harris style machine cutting torches are designed to handle all types of machine cutting applications. Rugged and dependable, these torches provide up to 15” cutting capacity. The 98-6 series torches are available in two-hose and three-hose design for all fuel gases at pressures as low as 4oz. Solid head for maximum strength Standard 1 3/8” diameter barrel Use with 6290 High Speed Machine Cutting Tips Equipped with Flash Guard® check valves U.L. Listed Rack supplied is 32 pitch (10.12 teeth/in.) 98-6 Three Hose Torches: Quick-opening cutting oxygen valve for immediate full flow Separate preheat and cutting oxygen valves for high and low preheat control. Cutting capacity to 15” Three-hose design for pipe beveling, multiple beveling and similar applications Cutting capacity to 15”
Model BV-98-2 (P/N 1200124) Beveling Head Increases speed of quality bevel cuts. Preheat tip swivels for either left or right travel. Equipped with 1390-3H heating tip. Use with natural gas or propane 6290 tips (not included).
Model S-98-C (P/N 1200080) Adjustable Tip Adapter Adjust tip to any angle without moving the torches. With 6290 tips. Use with any 6290 tips (not included).
Model TH-98 (P/N 1200090) Adjustable Twin Tip Holder For making two cuts simultaneously with one torch. Adjusts from 1 1/2” to 12” width. Use with any 6290 tips (not included).
For more information regarding Harris Calorific on the web, visit http://www.harriscal.com/