The North American Tempest SE is a direct fire, nozzle-mix industrial burner with a compact design that can improve temperature uniformity, product quality and system efficiency. It offers versatile and reliable heat-treating performance in a wide variety of industrial applications. The burner provides the convenience of multi-fuel capability (with various nozzle options) and enables any control methodology, including pulse firing, excess air or stoichiometric. Additional performance benefits include: low-NOx emissions, direct spark ignition, wide operating limits and low air-pressure requirements.