Product Overview
The Rexroth DBDS 6 K 18/200 (Material No. 423724) is a direct operated pressure relief valve from the proven DBDS series, engineered by Bosch Rexroth for precise system pressure limitation and protection in industrial hydraulic circuits. As a direct acting poppet-type valve, it responds instantaneously to pressure surges without pilot-stage lag, making it ideal for applications requiring fast, reliable overpressure protection. The valve is designed for subplate mounting in accordance with ISO 6264 (size 6), and its compact cartridge-style construction allows seamless integration into manifold blocks and standard connection plates. With a pressure adjustment range of 18 to 200 bar and a maximum flow capacity of approximately 60 L/min, the DBDS 6 K 18/200 serves as a dependable safety and pressure-limiting component in demanding hydraulic power units, machine tools, and mobile equipment.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Direct Operated Pressure Relief Valve (Pressure Control Valve) |
| Model Designation | DBDS 6 K 18/200 / 423724 |
| Manufacturer | Bosch Rexroth |
| Nominal Size | NG6 (Size 6) |
| Pressure Adjustment Range | 18 to 200 bar (adjustable via set screw) |
| Maximum Operating Pressure | Up to 200 bar (rated) |
| Maximum Flow Rate | Approx. 60 L/min |
| Actuation Type | Direct acting, mechanically adjustable (set screw with lock nut) |
| Mounting & Connection | Subplate mounting per ISO 6264, Size 6 interface |
| Hydraulic Fluid | Mineral oil based hydraulic fluids (HL, HLP) per DIN 51524 |
| Fluid Temperature Range | -20 °C to +80 °C (standard NBR seals) |
| Viscosity Range | 10 to 800 mm²/s (cSt) |
Engineering Features & Advantages
- Precision Performance: The direct operated pressure relief valve (pressure control valve) delivers precise, repeatable performance with low hysteresis and stable control across the full working range.
- Industrial Reliability: Designed for dependable long-term operation in demanding industrial environments, with quality bearings and sealing systems ensuring extended maintenance intervals.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original REXROTH standards, allowing straightforward retrofit into existing hydraulic systems without rework.
- Rated Capability: Rated for pressure ratings of 18 to 200 bar (adjustable via set screw) and flow rates up to 60 L/min, supporting stable operation across the full working range.
Typical Industrial Applications
As a direct acting poppet-type valve, it responds instantaneously to pressure surges without pilot-stage lag, making it ideal for applications requiring fast, reliable overpressure protection.
PRODUCT IMAGES
REXROTH DBDS 6 K 18/200 / 423724 Direct Operated Pressure Relief Valve
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- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
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- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine REXROTH DBDS 6 K 18/200 / 423724 Pressure Relief Valve. This German-made hydraulic component features a direct-acting poppet design, delivering leak-free, reliable pressure control for heavy-duty industrial systems.