1955 - 1959
1958
PR trademark created after Charles Christensen bought rights from Poul Reimers Maskinfabrik. The business moves into valve production, making cylindrical lubricated plug valves for the energy industry
1960 - 1969
1960s
As Europe continues to rebuild its war-damaged cities, district heating systems become popular. This proves an important market for Brdr. Christensen’s valves. They’re still found in thousands of district heating systems and pumping stations
1970 - 1979
1972
Creation of Seguro Gate Valve at Brdr. Christensen
1975
Brdr. Christensen begins making pressure-balanced conical plug valves for the oil and gas industry. They quickly become the company’s most important product and are still exported worldwide today
1980 - 1989
1984
Kurt Erling Bang Christensen became co-owner of the company
1990 - 1999
1994
Collaboration with Exxon Mobil leads to the production of the twin pressure balanced plug valve, a safer alternative for the oil and gas industry
2000 - 2009
2001
Kurt Erling Bang Christensen assumes full control of the business as the sole proprietary
2010 - 2019
2016
Thomas Vennick Christensen, the grandson of the original Christensen brothers, takes over the business
2020 - Current