US-based O’Brien is a manufacturer of fluid and gas handling solutions, sample conditioning equipment and process analyzers, and its products and solutions are used in critical applications in process industries across the globe.

The company’s product offering includes pre-insulated tubing bundles, sample conditioning equipment, specialty tubing and fittings, instrument enclosures and process analyzers used in oil and gas production, refining, petrochemical processing, power generation, pharmaceutical manufacture and semiconductor fabrication.

Ametek chairman and CEO Frank Hermance said O’Brien’s product lines are both highly differentiated and highly complementary to Ametek’s process instruments businesses.