Product Overview
The Rexroth DBD S6P1X/200 (Material Number R900423729) is a direct operated pressure relief valve from the proven DBD series, engineered as a poppet-type seat valve for precise system pressure limitation and protection. As a direct acting design, the valve responds instantaneously to pressure changes without pilot-stage lag, making it ideal for safeguarding hydraulic circuits against overpressure events. The valve is normally closed; when system pressure at the inlet port exceeds the set spring force, the poppet lifts off its seat and routes excess flow to the tank port, thereby maintaining the adjusted pressure level. Its threaded cartridge-style body with sleeve and spring-loaded poppet allows compact installation into manifold blocks or as a screw-in element, delivering reliable pressure control in demanding industrial hydraulic systems.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Valve – Direct Operated Pressure Relief Valve (Pressure Control Valve) |
| Model Designation | DBD S6P1X/200 / R900423729 |
| Operating Pressure | Up to 200 bar (pressure setting code “200”) |
| Mounting & Connection | Threaded cartridge / screw-in mounting per Rexroth standard interface |
| Valve Design | Direct operated poppet-type seat valve, normally closed |
| Adjustment Type | Spring-loaded poppet with adjustable pressure setting |
| Size / Nominal Diameter | NG6 (size 6) per model code “S6” |
| Series | 1X (component series 10 to 19, installation and connection dimensions unchanged) |
Engineering Features & Advantages
- Precision Performance: Direct acting poppet design delivers fast, accurate response to pressure surges with minimal override and hysteresis, ensuring stable system pressure regulation.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with a robust spring-loaded poppet and hardened seat for long service life and consistent reseating.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, allowing drop-in replacement of the R900423729 cartridge without manifold modification.
- Compact Cartridge Construction: Screw-in sleeve and poppet assembly enables space-saving integration into manifold blocks and custom hydraulic power units.
- Leakage-Minimized Sealing: Poppet-type seat geometry provides tight shut-off below the set pressure, reducing internal leakage and improving overall circuit efficiency.
Typical Industrial Applications
The Rexroth DBD S6P1X/200 is widely deployed as a safety and pressure-limiting element in plastic injection molding machines, metallurgical presses, construction and marine hydraulic systems, and CNC machine tools. It is equally suited to hydraulic power units, test stands, and manifold-based circuits where reliable overpressure protection
PRODUCT IMAGES
REXROTH DBD S6P1X/200 / R900423729 Direct Operated Pressure Relief Valve
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine REXROTH DBD S6P1X/200 / R900423729 Pressure Relief Valve. This Germany-made hydraulic component features a poppet-type design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.