BURNERS FOR INDUSTRIAL FURNACES, THERMAL OXIDIZERS, KILNS, OVENS, DRYERS, PROCESS HEATERS, AIR HEATERS AND BOILERS; HEAT EXCHANGERS, namely, RECUPERATORS AND REGENERATORS FOR INDUSTRIAL FURNACES, THERMAL OXIDIZERS, KILNS, OVENS, DRYERS AND BOILERS; FURNACE PRESSURE REGULATORS FOR INDUSTRIAL FURNACES, KILNS, OVENS, DRYERS, PROCESS HEATERS, AIR HEATERS AND BOILERS; AIR FUEL RATIO FLOW REGULATORS FOR INDUSTRIAL FURNACES, THERMAL OXIDIZERS KILNS, OVENS, DRYERS, PROCESS HEATERS, AIR HEATERS AND BO...