Product Overview
The Rexroth LFA25DB2-7X/200 (Material No. R900912760) is a high-precision control cover designed for use with two-way cartridge valves in industrial hydraulic systems. As part of the Rexroth LFA series, this component functions as a pressure control cover, specifically configured for pressure relief and pressure reducing functions when paired with a compatible cartridge valve insert. The “DB2” designation indicates a pressure control function with a specific adjustment and control configuration, while the “7X” series denotes the component’s design generation, ensuring compatibility with current Rexroth cartridge valve technology. This control cover acts as the pilot control interface, housing the adjustment elements, springs, and pilot oil passages required to manage the main stage of the cartridge valve. It is engineered to provide precise, reliable pressure regulation in demanding hydraulic circuits, ensuring system safety and optimal performance.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pressure Control Valve (Control Cover for Cartridge Valve) |
| Model Designation | LFA25DB2-7X/200 / R900912760 |
| Operating Pressure | Up to 200 bar (Pressure Setting Range) |
| Mounting & Connection | Standard ISO 7368 / Rexroth Cartridge Valve Interface (NG25) |
| Control Function | DB2 – Pressure Relief / Pressure Reducing Pilot Control |
| Design Series | 7X (Generation 7X) |
| Adjustment Type | Manual Adjustment (Standard) |
Engineering Features & Advantages
- Precision Pressure Control: The DB2 pilot control configuration provides accurate and repeatable pressure regulation, ensuring stable system operation and protection against overpressure events.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust construction that resists contamination and wear in high-cycle hydraulic systems.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, ensuring seamless integration with Rexroth NG25 cartridge valve inserts and existing manifold blocks.
- Optimized Pilot Circuitry: Internal passages are precisely machined to minimize pressure drop and ensure rapid response of the main cartridge valve stage.
- System Safety: Acts as the critical safety interface for pressure limitation, preventing damage to pumps, actuators, and downstream components.
Typical Industrial Applications
This control cover is widely used in heavy industrial hydraulic systems requiring precise pressure management, including plastic injection molding machines, metallurgical presses, die-casting equipment, and construction & marine hydraulics. It is also found in CNC machine tools and general industrial power units where reliable pressure relief and reducing functions are essential for system safety and performance.
PRODUCT IMAGES
REXROTH LFA25DB2-7X/200 / R900912760 Control Cover for Cartridge Valve (Pressure Control)
⚡ 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 LFA25DB2-7X/200 / R900912760 Pilot Operated Check Valve. This Germany-made hydraulic component features a reliable pilot-operated design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.