Hansen Technologies

Hansen Technologies designs and manufactures valves, controls, and refrigerant‑management technologies for industrial refrigeration systems. For more than 40 years, we’ve advanced ammonia and CO₂ system performance through innovations including our leak‑free stem seals, AUTO‑PURGER® technology, ACT® Anti‑Corrosion Technology, Pop‑Eye lift detection, and Sentinel system monitoring.

We support food processing, cold storage, beverage, petrochemical, and other large‑capacity applications using ammonia (R717), CO₂ (R744), and approved other Hansen approved refrigerants. Our products are trusted in OEM equipment and field‑built systems worldwide.