Product Overview
The Rexroth S 15 A05-10/450J3 (Material No. R901454065) is a direct-operated hydraulic check valve engineered for leak-free load holding and reliable flow direction control in industrial hydraulic systems. Manufactured by Bosch Rexroth, this valve belongs to the S 15 series of modular sandwich-style check valves, designed to permit free flow in one direction while positively blocking reverse flow with minimal pressure drop. Its robust poppet-and-seat design ensures tight shut-off, making it a critical component for protecting pumps, actuators, and downstream circuit elements from reverse pressure surges. The valve is rated for a maximum operating pressure of 450 bar, reflecting its suitability for high-pressure industrial circuits.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Check Valve (Flow Control & Modular Valve) |
| Model Designation | S 15 A05-10/450J3 |
| Material Number | R901454065 |
| Operating Pressure | Up to 450 bar (rated) |
| Nominal Size | NG 15 (Size 15) |
| Mounting & Connection | Modular sandwich mounting per ISO 4401 / DIN 24340 (Size 15 interface) |
| Sealing Material | NBR (standard); FKM available on request |
| Hydraulic Fluid | Mineral oil based hydraulic fluids per DIN 51524 |
Engineering Features & Advantages
- Precision Performance: Direct-operated poppet-and-seat design delivers fast, positive shut-off with minimal internal leakage, ensuring reliable load holding and reverse-flow protection.
- High-Pressure Capability: Rated for continuous operation up to 450 bar, suitable for demanding high-pressure industrial circuits.
- Modular Sandwich Design: Compact NG 15 interface allows direct stacking between directional control valves and subplates, reducing piping and installation complexity.
- Industrial Reliability: Built for continuous operation under severe industrial conditions with hardened, wear-resistant internal components.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM standards and material number R901454065.
Typical Industrial Applications
This Rexroth check valve is widely deployed in plastic injection molding machines, metallurgical presses, hydraulic power units, and CNC machine tools where reliable load holding, pump protection, and prevention of reverse flow are essential. It is also commonly used in construction and marine hydraulic systems, modular manifold assemblies, and general industrial automation circuits requiring precise flow direction control.
PRODUCT IMAGES
Rexroth S 15 A05-10/450J3 / R901454065 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.
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- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine REXROTH S 15 A05-10/450J3 / R901454065 Solenoid Directional Spool Valve. This Germany-made hydraulic component features a robust spool design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.