Product Overview
The Rexroth LFA32D-7X/F (Material Number R900905303) is a high-precision control cover engineered for use with two-way cartridge valves in industrial hydraulic systems. Manufactured by Bosch Rexroth, this control cover serves as the pilot control interface that mounts directly onto a standard cartridge valve insert, enabling directional, pressure, or flow control functions within a compact manifold block. The “D” designation indicates a directional spool valve control function, while the “7X” series denotes the current Rexroth component generation with proven field reliability. As part of the Rexroth cartridge valve system, this control cover provides precise pilot oil routing to actuate the main poppet or spool element, delivering dependable switching performance in high-pressure hydraulic circuits. Its robust design ensures consistent operation in demanding industrial environments where precise fluid control and long service life are critical.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Valve — Control Cover for Cartridge Valve (Directional Spool Valve Pilot Control) |
| Model Designation | LFA32D-7X/F / R900905303 |
| Series | 7X (Rexroth current generation) |
| Control Function | Type D — Directional control with pilot spool actuation |
| Nominal Size | NG32 (Size 32 cartridge valve interface) |
| Operating Pressure | Up to 350 bar (standard industrial grade, dependent on cartridge valve rating) |
| Pilot Pressure Range | Typically 10–315 bar (as per system pilot circuit design) |
| Mounting & Connection | Standard ISO / Rexroth cartridge valve mounting interface, NG32 pattern |
| Sealing | O-ring sealed mating face for leak-free manifold installation |
| Hydraulic Fluid | Mineral oil based hydraulic fluids (HL, HLP) per DIN 51524 |
| Fluid Temperature Range | -20°C to +80°C (standard NBR seals) |
Engineering Features & Advantages
- Precision Performance: The hydraulic valve — control cover for cartridge valve (directional spool valve pilot control) delivers precise, repeatable performance with low hysteresis and stable control across the full working range.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust construction and wear-resistant internal components for extended service life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original REXROTH OEM standards, ensuring drop-in replacement without modification to existing manifolds or piping.
Typical Industrial Applications
Its robust design ensures consistent operation in demanding industrial environments where precise fluid control and long service life are critical.
PRODUCT IMAGES

REXROTH LFA32D-7X/F / R900905303 Control Cover for Cartridge 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 LFA32D-7X/F / R900905303 Pilot Operated Check Valve. This German-made hydraulic component features a reliable poppet design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.