Flowserve Corporation (NYSE: FLS) ("Flowserve" or the "Company"), a leading provider of flow control products and services for the global infrastructure markets, has closed its all-cash acquisition of Trillium Flow Technologies’ Valves Division1 ("TVD") for $490 million plus working capital adjustments. TVD is a leading provider of highly engineered mission-critical valves and other flow control equipment used in nuclear and traditional power generation, industrial, and critical infrastructure applications.