The duplex filters have been designed with the goal of a compact design without welds, and with a reduced weight and dimensions.
The filters are built in one piece, in which are installed all main components:
- Switch valve (Which allows to have always one operating filter, in order to perform maintenance activities and change the cartridges without stopping the system)
- Balancing and drain valves
- Cartridges housings.
The duplex filters are designed according to ASME VIII div.1 code last edition, and according to the most important international rules (PED, GOST, NR13, GB150; DPP) to satisfy the requirements of iron and steel, chemicals, petrochemicals and water treatment plants.
They are available in different versions:
- DB Progetti standard, completely made of stainless steel 316L
- Made in carbon steel
- Made in special materials on request