THM – ZERP/ZERA/ZERB – Reducing modular proportional valve
Take absolute, dynamic command of your secondary hydraulic circuits with the advanced precision of the THM ZERP, ZERA, and ZERB Series Modular Proportional Pressure Reducing Valves. This innovative series perfectly merges the space-saving convenience of a superposition (modular) valve with the pinpoint accuracy of an electro-hydraulic proportional valve. By allowing engineers to seamlessly adjust the secondary side pressure in direct proportion to the input current of the proportional electromagnet, it provides infinite, real-time control over downstream actuators. Available in sizes 01 and 03, accommodating flows up to 70 L/min and safely sustaining main-line pressures up to 250 bar, this valve series is the ultimate solution for complex, highly automated mobile and industrial machinery.
Core Technical Specifications:-
- Valve Architecture: Modular Proportional Pressure Reducing Valve
- Model Variants: ZERP, ZERA, ZERB
- Standard Sizes: 01, 03
- Maximum Flow Rate: 30 L/min (Size 01) | 70 L/min (Size 03)
- Maximum Operating Pressure: 250 bar
- Control Mechanism: Proportional Electromagnet (Current-Dependent)
Key Features & Engineering Advantages:-
- Infinite Proportional Control: Unlike standard reducing valves that require manual setting, this series allows for real-time, dynamic adjustments of the secondary pressure simply by varying the electrical input current to the electromagnet, enabling highly complex automated machine cycles.
- Superposition Stacking Advantage: Designed as a modular superposition valve, it stacks directly onto existing directional valves or manifolds. This ultra-compact footprint drastically reduces the need for complex external plumbing, eliminating potential leak points and cutting installation time.
- High-Responsiveness & Accuracy: Engineered to react instantaneously to changes in the electrical command signal, ensuring your sensitive downstream components and actuators receive the exact pressure required precisely when they need it.
- Heavy-Duty Endurance: Constructed with robust, high-strength materials specifically designed to withstand continuous 250-bar operations, hydraulic shocks, and the intense vibrations inherent in heavy-duty environments.
- Streamlined Automation: By converting electrical signals directly into precise hydraulic force, this valve acts as the perfect bridge between your machinery's PLC/electronic control units and its raw fluid power systems.
Ideal Industry Applications:-
The dynamic electrical control, modular footprint, and rugged pressure resilience of the ZERP/ZERA/ZERB Series make it an essential component for:
- Advanced Civil & Road Machinery: Providing precise, automated pressure regulation for the complex screed controls on asphalt pavers, leveling systems on motor graders, and variable compaction systems on road rollers.
- Mobile Construction Equipment: Delivering real-time, variable pressure control to sensitive hydraulic attachments and automated boom systems on heavy excavators.
- Automated Industrial Manufacturing: Regulating precise clamping forces in plastic injection molding, metal forming, and automated assembly presses.
- Heavy-Duty Material Handling: Ensuring smooth, variable-pressure load control in highly automated lifting platforms and industrial cranes.
