Heating Tip Assembly, Compatible Fuel Type Acetylene, Compatible Torch Series 43-2, V-315C, Tip Series J-63, Tip Size 4, Compatible Manufacturer Harris, Application Heating, Compatible Tip Mixer Manufacturer Model Number E2-43, V-W-2, Compatible Torch Grainger Part Number 5KX63, Compatible Torch Manufacturer Part Number 43-2, V-315C, Material Copper, Maximum Fuel Flow Rate 1,403 scfh, Minimum Fuel Flow Rate 80 scfh, Minimum Fuel Pressure Rating 81 psig