Product Overview
The Rexroth LC 63 A10D70/V (Material Number R900979055) is a high-performance two-stage logic cartridge valve engineered by Bosch Rexroth for demanding industrial hydraulic systems. As a directional spool valve element, it functions as a pilot-operated seat valve that controls flow direction and pressure within a manifold block, providing a compact and efficient alternative to conventional directional spool valves. The valve operates on a two-stage principle: a pilot stage (cover with directional spool valve) controls the main stage (cartridge insert), enabling high flow rates with minimal pilot pressure. The LC 63 A10D70/V is designed for installation in standardized cavities conforming to ISO 7368, making it a direct drop-in solution for manifold-based hydraulic circuits. Its robust construction and precise spool metering ensure reliable switching, low leakage, and long service life in continuous industrial operation.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Valve – Directional Spool Valve (Logic Cartridge Valve) |
| Model Designation | LC 63 A10D70/V / R900979055 |
| Nominal Size (NG) | NG 63 (ISO 7368 cavity) |
| Operating Pressure | Up to 350 bar (standard industrial grade) |
| Pilot Pressure Ratio | Area ratio A10 (10:1) – pilot pressure approximately 1/10 of main system pressure |
| Flow Direction | D70 – free flow from A to B, blocked from B to A (directional spool configuration) |
| Mounting & Connection | ISO 7368 standard cartridge cavity; manifold or block mounting |
| Sealing Material | NBR (Viton / FKM available on request) |
| Pilot Stage | Directional spool valve with wet-pin solenoid or manual override (depending on cover configuration) |
Engineering Features & Advantages
- Precision Spool Metering: The directional spool pilot stage provides accurate and repeatable switching of the main cartridge poppet, ensuring precise flow control and minimal pressure drop during operation.
- High Flow Capacity in Compact Design: The NG 63 cartridge insert handles large flow rates while occupying minimal manifold space, reducing system footprint and piping complexity compared to conventional directional spool valves.
- Low Pilot Pressure Requirement: The 10:1 area ratio (A10) allows the valve to be actuated with significantly lower pilot pressure, improving energy efficiency and enabling the use of smaller pilot valves.
- Industrial Reliability: Constructed for continuous duty with durable, corrosion-resistant materials and proven engineering for maximum system uptime.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth standards, allowing straightforward retrofit into existing hydraulic systems without rework.
Typical Industrial Applications
Its robust construction and precise spool metering ensure reliable switching, low leakage, and long service life in continuous industrial operation.
PRODUCT IMAGES
Rexroth LC 63 A10D70/V / R900979055 Logic 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 LC 63 A10D70/V / R900979055 Check Valve. This German-made hydraulic component features a poppet-type design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.