RPA Process has over 145 years of experience and innovation in designing, developping and engineering filtration and mixing p ... rocess equipment. Our focus is on liquid/solid separation and mixing/blending/kneading of high viscosity materials. A family owned and operated company, RPA Process is part of the JF Investment group, along with its sister company, HASLER International. Our four name brands include Filtres Philippe®, Filtres Vernay®, Malaxeurs Guittard® and Filtres Aoustin® Table Filter and trademarks Novamix™ and UCP™(Ultimate Continuous Processor). read more