White Knight Fluid Handling Inc., a subsidiary of Graco Inc. (NYSE: GGG), manufactures high-quality ultrapure fluid handling products for the most demanding applications in stringent, high-tech industries, such as semiconductor. Our high-purity product offerings include pumps, heaters, tanks, valves, dampeners, regulators, spray guns, and much more. Synergies among White Knight and acquired companies, Heateflex, Imtec, and iPolymer provide enhanced efficiencies for complete fluid handling systems.