Product Overview
The Rexroth LC 63 DB20D7X (Material Number: R900955777) is a high-performance two-stage logic cartridge valve engineered for demanding industrial hydraulic systems. Manufactured by Bosch Rexroth, this component functions as a pilot-operated directional spool valve, utilizing a main stage poppet and a pilot control stage to manage high flow rates with minimal pressure drop. Designed for block installation, the LC 63 DB20D7X serves as a critical control element in complex hydraulic circuits, enabling precise directional control, load holding, and pressure relief functions within high-pressure industrial machinery.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Valve (Logic Cartridge / Directional Spool Valve) |
| Model Designation | LC 63 DB20D7X / R900955777 |
| Operating Pressure | Up to 420 bar (Standard Industrial Grade) |
| Nominal Size (NG) | NG 63 (SAE 2 1/2) |
| Mounting & Connection | Cartridge Mounting (Standard ISO 7368 / Rexroth Interface) |
| Control Type | Pilot Operated (DB20 Pilot Valve) |
Engineering Features & Advantages
- Precision Performance: The two-stage logic cartridge design allows for high flow capacity with extremely fast response times, ensuring precise directional spool control and accurate pressure regulation in dynamic hydraulic circuits.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, the LC 63 DB20D7X features a robust housing and hardened internal components that resist wear and contamination, ensuring a long service life even in high-cycle applications.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, including the specific DB20D7X pilot valve configuration, allowing for seamless integration into existing Rexroth manifolds and systems.
- Leak-Free Sealing: Engineered with high-grade sealing technology to minimize internal leakage, maintaining system efficiency and preventing pressure loss during holding phases.
Typical Industrial Applications
This logic cartridge valve is commonly utilized in heavy industrial scenarios such as plastic injection molding machines, metallurgical presses, construction and marine hydraulics, and CNC machine tools. It is particularly effective in systems requiring high-pressure directional control, rapid decompression, and reliable load holding capabilities.
PRODUCT IMAGES
Rexroth LC 63 DB20D7X / R900955777 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 DB20D7X/ / R900955777 Pilot Operated Check Valve. This Germany-made hydraulic component features a leak-free poppet design, delivering reliable fluid control for heavy-duty industrial systems.