Product Overview
The Rexroth Z2FS6-2-LX1/20/S (Material No. L630600058) is a double throttle check valve from the proven Z2FS series, designed for precise flow control in industrial hydraulic systems. Configured as a sandwich (modular) plate valve, it regulates the flow rate of two independent actuator lines while permitting free return flow through integrated check valves. The valve operates on a pressure-compensated throttling principle, where the throttle spool is held in balance between the spring force and the inlet pressure, delivering consistent flow independent of load fluctuations. With a size 6 (NG6 / CETOP 3) interface, this valve is engineered for direct stacking between a directional control valve and the subplate, making it an ideal solution for meter-in and meter-out speed control of cylinders and motors in demanding industrial machinery.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Hydraulic Valve — Double Throttle Check Valve (Flow Control & Modular Valve) |
| Model Designation | Z2FS6-2-LX1/20/S / L630600058 |
| Nominal Size | NG6 (CETOP 3 / ISO 4401-03) |
| Operating Pressure | Up to 315 bar (working pressure, standard industrial grade) |
| Flow Capacity | Up to 80 L/min (dependent on throttle setting) |
| Adjustment Type | Mechanical spindle adjustment with locknut (LX1 designation) |
| Mounting & Connection | Sandwich plate design, ISO 4401-03 / CETOP 3 interface with O-ring sealing |
| Seal Material | NBR (suffix /S), suitable for mineral oil based hydraulic fluids |
Engineering Features & Advantages
- Precision Performance: Pressure-compensated throttle spool maintains a constant set flow rate regardless of load or pressure variations, ensuring repeatable actuator speeds and stable motion control.
- Dual-Line Flow Control: Two independently adjustable throttle elements in a single body allow separate metering of both A and B actuator lines, reducing installation space and piping complexity.
- Integrated Check Valves: Each throttle path includes a check valve that permits unrestricted reverse flow, enabling free return and preventing flow starvation during direction reversal.
- Industrial Reliability: Robust spool and housing construction built for continuous operation under severe industrial conditions, with hardened metering edges for long service life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth OEM standards, including the L630600058 material number for unambiguous identification.
Typical Industrial Applications
This double throttle check valve is widely deployed in plastic injection molding machines for precise mold and ejector speed control, metallurgical presses and rolling mill
PRODUCT IMAGES
Rexroth Z2FS6-2-LX1/20/S / L630600058 Double Throttle Check Valve
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Shop the genuine REXROTH Z2FS6-2-LX1/20/S / L630600058 Double Throttle Check Valve. This Germany-made hydraulic component features a dual throttle check design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.