US valve maker Circor International has bought a petroleum refinery maintenance company for $210million.
Circor, which was established in 1999 and is headquartered in Massachusetts, designs valves and other products for the energy, aerospace and industrial markets.
Critical Flow Solution (CFS), which was an affiliate of Sun Capital Partners, is made up of two units.
DeltaValve makes devices for delayed coking units, while TapcoEnpro designs valves for catalytic cracking units.
In all, CFS, based in Utah, has more than 1,300 valves installed in 200 refineries across 50 countries.