The Belimo VF8HHJ is a genuine 2-way Pressure Independent Characterized Control Valve (PI-CCV) Energy Valve with an integrated safety function. Designed for precise flow control in hydronic systems, this valve features a DN 25 nominal diameter with Rp 1 internal thread connections and is rated for PN 16 pressure. It offers a nominal flow of 2.5 m³/h and can handle a maximum differential pressure of 1600 kPa, with a medium temperature range of 0 to 120°C. Powered by AC/DC 24V, it supports multiple communication protocols including BACnet MS/TP, MP-Bus, and Modbus RTU, with Belimo Cloud connectivity. It has an IP54/NEMA 2 protection class, includes an auxiliary switch, and provides fail-safe operation for enhanced system reliability.