The Hansen Technologies Corporation offers a wide range of products in the field of refrigeration engineering with components for industrial and commercial cooling systems. These include solenoid valves, manometric controllers, shut-off valves, overpressure safety valves, high-pressure floats, refrigerant pumps, Air Purger(automatic foreign gas purging), defrost controllers, capacitive measuring heads as well as engine valves that are fully encapsulated against environmental influences.