The Bucher 721 is a genuine direct acting 3-way, 2-position screw-in cartridge changeover valve designed for diverting or selecting flow paths in hydraulic applications. It features a robust design with a maximum operating pressure of 350 bar and a maximum flow rate of 30 L/min. This valve is suitable for use with hydraulic oil to DIN 51524 Part 1 and 2, with a viscosity range of 10 to 400 mm²/s. The cartridge has an M20x1.5 thread and operates within a temperature range of -20 to +80 °C. It is available with various coil voltages, including 12V DC and 24V DC, and has a leakage rate of max. 5 drops/min at 350 bar.