Bosch Rexroth MHDBD10K2-1X/315V Pressure Relief Valve
Overview
The Bosch Rexroth MHDBD10K2-1X/315V is a direct-operated pressure relief valve from the Rexroth DBD cartridge valve family, engineered as a poppet-seat safety element that limits maximum system pressure in industrial hydraulic circuits. Configured to a 315 bar pressure setting with FKM (Viton) seals for high-temperature fluid compatibility, this size-10 screw-in cartridge valve protects pumps, actuators, and downstream components from damaging pressure spikes by diverting excess flow back to tank the instant the set pressure threshold is exceeded, making it a fundamental building block of safe, reliable hydraulic power unit design.
As the official authorized partner and exclusive regional representative for Bosch Rexroth in Oman, Seven Star LLC proudly supplies the MHDBD10K2-1X/315V pressure relief valve to heavy industry, marine, and construction equipment operators across the Sultanate of Oman and the wider GCC. Hydraulic power units in Muscat, Sohar, and Salalah rely on Seven Star LLC to source genuine Rexroth DBD-series relief valves quickly, avoiding the extended lead times and calibration uncertainty associated with unauthorized replacement parts.
Operating Principle
The Bosch Rexroth MHDBD10K2-1X/315V operates on a direct-acting poppet principle in which a spring-loaded conical poppet is held closed against a precision-ground seat by an adjustable compression spring. System pressure acts directly on the poppet face through the valve inlet port; when hydraulic pressure exceeds the spring’s preset force, the poppet lifts off its seat and allows fluid to bypass to the tank line, instantaneously limiting further pressure rise. Once system pressure falls back below the setting, the spring reseats the poppet and flow returns to normal circuit operation.
Because the valve is direct operated rather than pilot operated, its response to pressure transients is extremely fast, making it well suited to protecting pumps and cylinders from shock loading during rapid directional changes or cylinder end-of-stroke events. The damping piston integrated into the poppet assembly reduces valve chatter and audible noise at the relief point, while the hardened poppet and seat combination resists wear over repeated cycling, ensuring the valve maintains its calibrated cracking pressure across a long service life in continuous-duty hydraulic power units.
Engineering Design of the Bosch Rexroth MHDBD10K2-1X/315V
Mechanically, the Bosch Rexroth MHDBD10K2-1X/315V is built as a screw-in cartridge valve for a standard M35x1.5 cavity, allowing it to be installed directly into a manifold block or valve housing without additional piping, fittings, or external plumbing. The compact cartridge format reduces the physical footprint of the hydraulic power unit and simplifies maintenance, since the entire relief valve assembly can be removed and replaced as a single unit during servicing.
The valve body is constructed from hardened steel components rated for a maximum operating pressure of 630 bar and a maximum flow rate suitable for size-10 cartridge applications, with the pressure setting adjustable via a tamper-resistant screw and lock-nut mechanism, secured with a protective cap once calibrated. The FKM seal package denoted by the /315V designation extends compatibility to mineral oil, phosphate ester, and other high-temperature hydraulic fluids commonly used in demanding industrial, marine, and off-highway equipment applications.
Key Features
The Bosch Rexroth MHDBD10K2-1X/315V pressure relief valve delivers dependable hydraulic circuit protection with the following key characteristics:
- Direct-operated poppet design for fast-acting pressure limiting response during transient pressure spikes.
- Factory pressure setting of 315 bar with adjustable range for fine-tuning during commissioning.
- FKM (Viton) seal package for compatibility with high-temperature and specialty hydraulic fluids.
- Compact screw-in cartridge design for M35x1.5 cavity, minimizing manifold footprint.
- Hardened poppet and seat combination for long service life under continuous cycling.
- Integrated damping piston that reduces valve chatter and audible noise at the relief point.
- Maximum operating pressure rating of 630 bar for robust overload protection.
- Tamper-resistant adjustment screw with protective cap to preserve calibration integrity.
Industrial Applications
The Bosch Rexroth MHDBD10K2-1X/315V pressure relief valve is deployed across hydraulic power units for construction machinery, marine deck equipment, industrial presses, injection molding machinery, and mobile hydraulic systems where reliable overpressure protection is essential to equipment longevity and operator safety. Maintenance teams specify genuine Rexroth DBD-series valves to ensure calibration accuracy and long-term seal integrity, both of which are critical to preventing unplanned downtime in continuous-duty hydraulic circuits.
As the officially authorized partner for Bosch Rexroth, Seven Star LLC distributes the MHDBD10K2-1X/315V pressure relief valve throughout Oman and the GCC, supporting port and marine facilities, oilfield service yards, and manufacturing plants in Sohar, Salalah, and Muscat with genuine hydraulic components backed by manufacturer warranty. Regional stock availability allows maintenance teams to replace worn or damaged relief valves quickly, minimizing costly downtime on hydraulic power units.
Technical Specifications
The table below summarizes the primary technical specifications of the Bosch Rexroth MHDBD10K2-1X/315V pressure relief valve, confirming why the Bosch Rexroth MHDBD10K2-1X/315V remains a trusted choice for regional hydraulic maintenance teams.
| Parameter | Specification |
|---|---|
| Model | Bosch Rexroth MHDBD10K2-1X/315V |
| Valve Type | Direct-operated pressure relief valve, poppet seat |
| Size | 10 (screw-in cartridge, M35x1.5 cavity) |
| Pressure Setting | 315 bar (adjustable) |
| Maximum Operating Pressure | 630 bar |
| Seal Material | FKM (Viton), high-temperature fluid compatible |
| Mounting | Screw-in cartridge, manifold block installation |
| Adjustment | Tamper-resistant screw with lock-nut and protective cap |
| Brand | Bosch Rexroth |
Request a Quote for Bosch Rexroth MHDBD10K2-1X/315V Pressure Relief Valve
Seven Star LLC invites hydraulic maintenance engineers and procurement teams across Oman and the GCC to submit a formal RFQ for the Bosch Rexroth MHDBD10K2-1X/315V pressure relief valve. As the authorized partner for Bosch Rexroth in Oman and the GCC, Seven Star LLC maintains regional warehouse stock for fast dispatch, provides full technical datasheets on request, and offers direct access to our hydraulics and instrumentation division for cross-reference and application guidance. Contact Seven Star LLC today to secure genuine Bosch Rexroth hydraulic components with manufacturer-backed quality assurance.
Related Products
Bosch Rexroth AG, headquartered in Lohr am Main, Germany, is a global leader in drive and control technologies, offering hydraulics, electric drives & controls, linear motion systems and automation solutions for industrial, mobile and manufacturing applications. With operations in over 80 countries and a commitment to digitalization and Industry 4.0, Bosch Rexroth delivers high-performance, integrated systems enabling safe, efficient and intelligent machine movement. Seven Star LLC supplies genuine Bosch Rexroth products for industrial projects across Oman and the Middle East.
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