BURLINGTON, Mass.–(BUSINESS WIRE)–CIRCOR International, Inc., a KKR portfolio company and a global manufacturer of flow control products for industrial and aerospace markets, today announced that it has acquired essentially all the operating assets related to the herringbone gear pump product line of Flowserve Corporation (NYSE: FLS). The transaction includes the GAX, GR, & Gearex Series pump lines, which will be fully integrated into CIRCOR’s IMO product portfolio following a transition