History of Flowserve SIHI
Triumphal procession of an innovation
| 1920 | Foundation of the company Siemen & Hinsch (SiHi) in St. Margarethen (north of Germany) by the inventor of side channel pumps Otto Siemen and Johannes Hinsch |
| 1921 | Agency agreements with companies in Finland, Denmark, Norway, Sweden and Netherlands |
| 1927 | Development of multi-stage centrifugal pumps |
| 1929 | Presentation of a self-priming side channel pump at the Leipziger exhibition, that sucks 9 meters over the top |
| 1939 | Development of liquid ring vacuum pumps |
| 1948 | Development of the so called combi-pumps (centrifugal pump with self-priming stage) |
| 1971 | Extension of the product range by volute casing pumps through the acquisition of HALBERG Maschinenbau GmbH (Ludwigshafen) |
| 1980 | Development of magnetic drive systems for the SIHI product range |
| 1981 | Thyssen Bornemisza Group acquired 50 % of the SIHI Group |
| 1986 | Buyout of the product range from the company MAN |
| 1988 | Buyout of the product range from the company Balcke-Dürr |
| 1990 | Foundation of the company SIHI Anlagentechnik in Itzehoe |
| 1995 | Market launch of SIHIdry dry running vacuum pumps |
| 1996 | Thyssen Bornemisza Group acquires additional 50 % share from the heir of Otto Siemen |
| 1997 | Member of Sterling Fluid Systems Group. SIHI changed the company name to Sterling SIHI in Germany and to Sterling Fluid Systems in Europe and Asia |
| 2000 | Relocation of production for side channel pumps and centrifugal pumps from Itzehoe to France and Spain |
| 2000 | Opening of the new production location in Spain (Madrid) for industrial and standard centrifugal pumps |
| 2004 | Introduction of the new division structure (chemical, industrial, energy and environment) in Europe |
| 2006 | Sterling Fluid Systems Asia changed the company name to SIHI Pumps Asia |
| 2007 | Opening of the new production location in Nanhui (China) for liquid ring vacuum pumps (compact design) and vacuum systems |
| 2015 | Flowserve Corporation acquired SIHI Group |