Castel, a leading company of refrigeration and air conditioning components, is a 100% Italian-owned family-run company which has grown and established a name for itself since 1961, thanks to its outstanding pursuit of innovation and unwavering desire to conquer markets not only in Italy, but also abroad. The vast range of Castel products includes: electronic expansion valves, solenoid valves, coils, connectors, safety devices, water pressure switch valves, pressure regulators, indicators, filter driers and more.