The Berluto DRV 730-D is a direct-acting, piston-operated, spring-loaded, single-seat pressure reducing valve with inlet pressure compensation. It is primarily designed for steam and hot water applications but can also be used with aggressive waters, neutral gases, air, and non-sticky aggressive liquids, provided material and sealing compatibility is confirmed.
The body and spring cap are made of stainless steel 1.4408. Wetted internal parts are stainless steel 1.4404. For steam up to 150°C, PTFE/EPDM seals are used. For temperatures up to 200°C, a PTFE/EPDM/FEPM arrangement is provided, with a lower application limit of +20°C.
Used in small to medium steam lines, hot water systems, sterilization or thermal subsystems, auxiliary process networks, and local pressure reduction before low-pressure consumers. For steam, selection must consider mass flow, p1, p2, temperature, and flow velocity, not just the piping DN.
The valve features replaceable internal parts and dual G 1/4” gauge connections for downstream pressure indication. Installation position can be any, with a preference for vertical. The technical datasheet indicates compliance with PED 2014/68/EU and available classification approvals from DNV GL, ABS, LR, CCS, and BV.
DRV 730-D
Pressure reducing valves of the series are piston-controlled, spring-loaded pressure reducing valves and have an inlet pressure compensation. The cartridge design allows easy replacement of the internal parts. Due to the sealing materials used, the series are ideally suited for steam applications.
Nominal size DN 15 up to DN 50
Inlet pressure up to 16 bar
Outlet pressure from 0.3 up to 2 bar
Temperature range -30 °C to 200 °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.
