Product Overview
The Rexroth 6TH6NRZ157-20/M04S002 (Material Number R908352523) is a precision-engineered hydraulic pilot control valve belonging to the Rexroth directional spool valve family. Operating on the proven spool-type directional control principle, this valve manages the direction, start, stop, and flow of pressurized hydraulic fluid within a circuit by shifting an internal spool via pilot pressure actuation. As a pilot-operated directional control component, it serves as a critical interface in multi-stage hydraulic systems, translating low-pressure pilot signals into precise main-stage directional commands. Manufactured to Rexroth’s stringent quality standards, this valve is designed for demanding industrial environments requiring accurate spool positioning, minimal internal leakage, and long service life.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Directional Control Valve — Pilot-Operated Directional Spool Valve |
| Model Designation | 6TH6NRZ157-20/M04S002 |
| Material Number | R908352523 |
| Actuation Type | Hydraulic Pilot Actuated |
| Spool Configuration | Directional Spool with Precision Metering Lands |
| Operating Pressure | Standard Industrial Grade (Up to rated bar per Rexroth specification) |
| Mounting & Connection | Standard ISO / Rexroth Interface |
| Sealing Technology | High-Grade Hydraulic Seals for Minimal Internal Leakage |
Engineering Features & Advantages
- Precision Spool Metering: The hardened, precision-ground spool and matched bore deliver accurate flow metering and repeatable directional response, ensuring consistent actuator control across the full operating envelope.
- Pilot-Operated Efficiency: Low pilot pressure requirements enable reliable actuation of the main spool stage, reducing the demand on pilot supply circuits while maintaining fast, decisive spool shifts.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust body construction and wear-resistant spool surfaces that extend maintenance intervals.
- Minimal Internal Leakage: Tight spool-to-bore clearances and advanced sealing technology minimize bypass flow, improving system efficiency and holding capability.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM standards, ensuring drop-in replacement without modification to manifolds or piping.
Typical Industrial Applications
This Rexroth pilot-operated directional spool valve is ideally suited for demanding hydraulic control circuits across heavy industry. Typical applications include plastic injection molding machines requiring precise sequence control, metallurgical presses and rolling mills operating under high cycle rates, construction and marine hydraulic systems needing reliable directional actuation, and CNC machine tools where accurate spool positioning and repeatable flow control are essential for process accuracy.
PRODUCT IMAGES
REXROTH 6TH6NRZ157-20/M04S002 / R908352523 Hydraulic Pilot Control 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 6TH6NRZ157-20/M04S002 / R908352523 Solenoid Directional Spool Valve. This Germany-made hydraulic component features a precise spool design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.