The Berluto DRV 350 is a direct-acting pressure regulator, controlled via diaphragm, featuring a setting spring and inlet pressure compensation. Its cartridge design allows for the replacement of internal components without changing the body. It is intended for low downstream pressures in water and neutral, non-sticky fluids; it can also be used in air or neutral gases when higher flow rates are required.
The body is made of red bronze CC499K. In the basic version, wetted parts are Hostaform C/POM and brass up to DN32, and brass from DN40. Seals are NBR, with options for EPDM or FKM. With a PA6 cap, the temperature limit is up to 75°C, while the HT version with FKM and metallic internal parts reaches up to 190°C. Not intended for steam.
Used in industrial water, neutral fluids, auxiliary machine circuits, air lines, and neutral gases where the required output pressure is in the range of 0.2–2 bar. For potable or seawater, consider the specific DRV-6 or DRV-SW series.
The valve features an integrated filter and dual gauge connection G 1/4” for downstream pressure indication. Installation can be in any position, preferably vertical. Selection requires p1, p2, flow rate, medium, temperature, DN, Kvs, sealing material, and thread type.
DRV 350
Pressure reducing valves of the series are diaphragm-controlled, spring-loaded pressure reducing valves and have inlet pressure compensation. The cartridge design allows easy replacement of the internal parts.
Nominal size DN 15 up to DN 50
Inlet pressure up to 16 bar
Outlet pressure from 0.2 up to 2 bar
Temperature range -30 °C to 190 °C
Technical data
CE-certification according to the European Pressure Equipment Directive is mandatory for numerous products and delivery areas. Other certificates, however, are certificates of individual quality, such as DVGW and DIN EN ISO 9001, which stands for the internal quality management system with its extensive functional and performance checks. The particularly strict regulations of the national rules and regulations guarantee the highest possible safety - especially when it comes to the reliability in your plant.
