Ametek Inc., Berwyn, Pa., has acquired Controls Southeast Inc. (CSI) from Industrial Growth Partners for approximately $160 million.

CSI provides proprietary heating systems for industrial piping, valves and instruments as well as jacketed piping and specialty fabrication products. Its products are used to heat liquids and gases in processes for industries such as oil and gas, chemical, petrochemical, plastics and pharmaceuticals.

 Based near Charlotte, N.C., CSI will be part of Ametek’s Electronic Instruments Group, which markets advanced monitoring, testing, calibrating and display instruments. CSI has annual sales of approximately $50 million.