This document provides information on the features and technical data of the Bosch Rexroth (MHDBN) high-performance pressure relief and anti-cavitation valve. The valve is suitable for mobile applications and has pressure ratings from 100 to 420 bar and versatile applications.
The MHDBN is a pilot‑operated pressure relief and anti‑cavitation valve designed for mobile hydraulic applications. It offers screw‑in cartridge construction, pressure ratings from 100 to 420 bar and sizes from 16 mm to 32 mm.
The manual lists technical data such as maximum operating pressure (420 bar), maximum flow (400 l/min), ambient temperature range (‑20 °C to +80 °C) and detailed mounting cavity dimensions. It also includes ordering codes, standard types, characteristic curves, and a catalogue of available individual components and seal kits.
| Maximum operating pressure | 420 bar |
|---|---|
| Maximum flow | 400 l/min |
| Sizes | 16 to 32 |
| Component series | 3X |
The valve is rated for a maximum operating pressure of 420 bar.
Sizes from 16 mm up to 32 mm are offered.
The system pressure is set via the adjustment spindle (4) on the valve.