Product Overview
The Rexroth S 8 A05-10/450J3 (Material Number: R901454062) is a high-performance hydraulic check valve engineered by Bosch Rexroth for precise flow control within demanding industrial hydraulic systems. Operating on a spring-loaded, poppet-style sealing principle, this valve permits free flow in one direction while providing zero-leak, leak-tight blocking in the reverse direction. As a modular line-mount component, it is designed to integrate seamlessly into Rexroth modular valve stacks or standard hydraulic manifolds, safeguarding pumps, actuators, and downstream components against reverse flow, pressure surges, and load-induced backpressure. Its robust construction and precision-machined sealing surfaces make it a reliable choice for continuous-duty industrial applications requiring dependable directional flow control.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Check Valve (Flow Control & Modular Valve) |
| Model Designation | S 8 A05-10/450J3 |
| Material Number | R901454062 |
| Nominal Size | NG 8 (DIN 24340 / ISO 4401 interface) |
| Operating Pressure | Up to 450 bar (rated per model code /450) |
| Cracking Pressure | Spring-loaded poppet, low cracking pressure for rapid response |
| Mounting & Connection | Modular sandwich / line-mount, ISO 4401 standard interface |
| Sealing Principle | Metal-to-metal poppet seat, leak-tight reverse blocking |
| Hydraulic Fluid | Mineral oil based hydraulic fluids (HL, HLP, HLP-D per DIN 51524) |
Engineering Features & Advantages
- Precision Performance: The spring-loaded poppet design delivers fast, reliable closing with minimal pressure drop in the free-flow direction and virtually zero leakage in the blocked direction, protecting critical hydraulic circuits from reverse flow and pressure spikes.
- High-Pressure Capability: Rated for continuous operation up to 450 bar, making it suitable for high-pressure industrial hydraulic systems where standard check valves would be inadequate.
- Modular Integration: Designed as a sandwich-style modular valve compatible with Rexroth modular valve systems, enabling compact manifold stacking without additional piping or fittings.
- Industrial Reliability: Precision-machined steel body and hardened sealing surfaces ensure long service life and consistent performance under severe industrial conditions, including vibration, thermal cycling, and contaminated environments.
- 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 precision-machined sealing surfaces make it a reliable choice for continuous-duty industrial applications requiring dependable directional flow control.
PRODUCT IMAGES
Rexroth S 8 A05-10/450J3 / R901454062 Hydraulic Check 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.
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