Flowserve SIHI is the leading manufacturer of vacuum pumps and engineered systems used in all segments of the process industry. They are found in applications as diverse as basic and fine chemicals, pharmaceuticals, food and beverage processing, machinery manufacturing, general industry applications, energy generation, municipal water and heavy machinery applications. SIHI’s liquid and vacuum pumps, compressors and systems provide you with the optimum pumping system for liquid-gas-and vapor-handling. Whether you need to process chemicals, create vacuum, generate energy, recover volatile organic compound (VOC) emissions or simply reduce lifecycle cost, the SIHI team has a reliable solution.