Product Overview
The BUCHER HYDRAULICS SNSA-AB-6-SN1-03 is a precision-engineered sandwich-type flow control valve designed for integration into modular hydraulic manifold systems. Manufactured by Bucher Hydraulics, a global leader in high-performance hydraulic components, this valve functions as an intermediate sandwich plate mounted between a directional control valve and its subplate. It provides accurate, repeatable regulation of actuator speed by metering flow in the A and B work lines, ensuring smooth and controlled movement of cylinders and motors in demanding industrial circuits. Its compact modular design eliminates the need for separate inline flow control hardware, reducing installation complexity, leakage points, and overall system footprint.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Sandwich Flow Control Valve (Modular / Sandwich Plate Design) |
| Model Designation | SNSA-AB-6-SN1-03 |
| Manufacturer | Bucher Hydraulics |
| Nominal Size | NG6 (CETOP 3 / ISO 4401-03) |
| Controlled Lines | A and B work ports (meter-in / meter-out flow regulation) |
| Operating Pressure | Standard Industrial Grade (up to 315 bar rated) |
| Nominal Flow Rate | Up to 40 L/min (NG6 class dependent) |
| Adjustment Type | Manual adjustment with locknut (SN1 configuration) |
| Mounting & Connection | Standard ISO 4401-03 / CETOP 3 sandwich interface |
| Sealing | NBR / FKM O-ring seals (standard industrial) |
Engineering Features & Advantages
- Precision Flow Metering: The SNSA-AB-6-SN1-03 delivers accurate, repeatable flow regulation in both A and B lines, enabling precise actuator speed control and eliminating erratic motion in critical industrial sequences.
- Modular Sandwich Construction: Designed as a compact sandwich plate, it integrates directly between a directional valve and subplate, minimizing piping, reducing potential leak points, and simplifying system assembly and maintenance.
- Pressure-Compensated Stability: Maintains consistent flow rates independent of load fluctuations, ensuring stable operation even under varying pressure conditions.
- 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 BUCHER standards, allowing straightforward retrofit into existing hydraulic systems without rework.
Typical Industrial Applications
It provides accurate, repeatable regulation of actuator speed by metering flow in the A and B work lines, ensuring smooth and controlled movement of cylinders and motors in demanding industrial circuits.
PRODUCT IMAGES


BUCHER HYDRAULICS SNSA-AB-6-SN1-03 Sandwich Flow 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.
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