HD – 2FRE – Proportional Flow Control Valve 2-way Version
Achieve ultra-precise, electronically modulated speed control with the HD 2FRE Series 2-Way Proportional Flow Control Valve. Available through Thm Hydraulics, this advanced component allows you to regulate the volume flow of hydraulic fluid in direct response to an electrical command signal. Equipped with an internal pressure compensator and sophisticated electrical position feedback, the 2FRE ensures that your actuator speeds remain flawlessly constant, regardless of changing load pressures or fluid temperatures. Capable of handling maximum operating pressures up to 315 bar and flow rates up to 160 L/min, this valve is the premier choice for high-end automation where synchronized, repeatable motion is a non-negotiable requirement.
Core Technical Specifications:-
- Component Architecture: 2-Way Proportional Flow Control Valve (Pressure Compensated)
- Model Type: HD-2FRE
- Maximum Operating Pressure: Up to 315 bar
- Maximum Flow Capacity: Up to 160 L/min
- Actuation Type: Proportional Solenoid with Electrical Position Feedback
- Mounting Style: Sub-plate mounting
Key Features & Engineering Advantages:-
- Closed-Loop Precision: Features an integrated electrical position transducer that provides constant feedback on the control orifice position. This ensures the valve delivers the exact flow rate commanded by your PLC, correcting for any mechanical hysteresis.
- Total Flow Stability: The built-in pressure compensator ensures the set flow rate remains unaffected by fluctuations in system pressure. Whether your cylinder is lifting a light load or a heavy one, its velocity remains perfectly consistent.
- Infinitely Variable Control: Unlike standard flow controls, the proportional solenoid allows you to ramp speeds up or down smoothly, enabling soft-starts, soft-stops, and complex velocity profiles that protect your machinery from shock.
- Bidirectional Capability: While natively a 2-way valve, precise flow control can be achieved in both directions by integrating the optional rectifier sandwich plate directly beneath the valve body.
- Unified Control Solutions: For maximum performance and simplified commissioning, both the proportional valve and the matched electronic control amplifiers are sourced from a single supplier, ensuring perfect signal-to-flow calibration.
- Leak-Free Subplate Integration: Designed for standardized sub-plate mounting, ensuring a robust, clean, and highly organized installation on your manifold blocks.
Ideal Industry Applications:-
The high-precision feedback and 315 bar endurance make the HD 2FRE Valve the premier choice for:
- Advanced CNC Machining: Governing the exact, variable feed rates of cutting heads where surface finish quality depends on perfect velocity control.
- Synchronized Multi-Cylinder Lifting: Ensuring two or more heavy hydraulic cylinders raise and lower at the exact same speed, preventing tilting or structural damage to the load.
- Automated Assembly Lines: Precisely controlling the movement of robotic transfer arms and indexing tables to ensure smooth, high-speed material handling.
- Injection Molding & Plastics: Modulating the injection speed and ejector pin velocity to optimize cycle times and part consistency.
Why Choose the HD 2FRE Series?
- Digital Command Over Fluid Power: Stop making manual adjustments. This valve puts your machine's speed controls directly into your software, allowing for instant recipe changes on the production line.
- Eliminate Erratic Movements: The combination of pressure compensation and electrical feedback means you get the exact same performance on Monday morning as you do on Friday afternoon, regardless of oil temperature or load.
- Protect Your Mechanical Investment: By eliminating sudden "on/off" hydraulic surges through electronic ramping, you significantly reduce the stress on your pumps, seals, and structural components.
