O'Brien, a brand under AMETEK Inc., has been supplying the petrochemical, refining, pulp & paper, and power industries with quality thermal processing equipment for over 50 years. Their products include tubing bundles, instrument hook-up lines, electric traced bundles, heater types, and various types of tubing for process analyzers. O'Brien also offers instrument enclosures, enclosure heaters, sunshades, instrument supports, and services like design optimization, applications engineering, and factory installations. They focus on providing solutions based on their heat transfer expertise and industry knowledge to meet specific application requirements.