machine parts; namely, manual and power operated butterfly valves and dampers for use as parts in air compressors, fluid handling systems for use in mixing fluids in industrial applications, pneumatic conveyors and oil pump lines

manual and power operated butterfly valves and dampers for use as parts in heat exchangers, boilers, furnaces, air handling systems for use in industry to remove pollutants, blowers for use in heating, ventilation and air conditioning systems to move air in industrial processes, heat recovery and transfer systems for use in industrial processes, water lines for use in industrial processes, ductwork systems for removal of flue gasses, and fly ash removal systems for use in industrial applications