Caleffi has been established for 55 years and is a manufacturer and marketer of innovative products for heating, cooling, plumbing and process work applications. There are three manufacturing premises based in Italy.
Backflow Preventer- Dual Check continuous pressure which has a brass body and maximum working pressure of 175psi. Sizes available from 15-100mm. These Caleffi valves are designed with serviceability and repair kits available. The valve is a backflow prevention testable device.