3DREP6‑10 Proportional Pressure Valve
Product Overview
3DREP6‑10 is a direct‑operated 3‑way electro‑hydraulic proportional pressure‑reducing Hydraulic valve, widely used for high‑precision stepless remote pressure regulation of branch circuits in compact‑size industrial hydraulic system and automated Machine .
This compact proportional Hydraulic valve adopts spring‑centered control spool design, available in two versions: 3DREP6‑10 with external amplifier drive, and 3DREPE6‑10 equipped with built‑in onboard electronics (OBE). It converts analog electrical control signals into infinitely‑variable stable secondary pressure, realizing independent pressure adjustment for two output ports inside your hydraulic system. Featuring low hysteresis, high repeat accuracy and quick dynamic response, it delivers accurate pressure‑control performance for precision‑required hydraulic‑driven Machine, such as injection‑molding auxiliary equipment, hydraulic test‑benches and automated production lines.
Technical Specifications
‑ Model Series: 3DREP6‑10, 3DREPE6‑10
‑ Product Type: Direct‑operated 3‑way electro‑hydraulic proportional pressure‑reducing Hydraulic valve
‑ Nominal Size: NG6
‑ Max inlet working pressure (Port P): 100 bar
‑ Adjustable pressure range: 0‑16 / 0‑25 / 0‑45 / 0‑100 bar optional
‑ Maximum rated flow: 15 L/min
‑ Mounting form: Sub‑plate mounting, ISO 4401‑03‑02‑0‑05 standard installation dimension
‑ Solenoid: 24 VDC wet‑pin proportional solenoid, detachable rotatable coil
‑ Control Mode:
• 3DREP6‑10: External amplifier, control signal: 0‑10 V / 4‑20 mA
• 3DREPE6‑10: Built‑in onboard electronics (OBE)
‑ Optional function: Concealed manual override
‑ Working medium: Anti‑wear hydraulic mineral oil for industrial hydraulic system
‑ Oil temperature range: ‑20℃ ~ +80℃
‑ Key Features: Compact NG6 body, dual‑output pressure control, spring‑centered spool, low hysteresis ≤5%, repeat accuracy ≤1%, stable long‑time operation for precision hydraulic Machine
Working Principle
3DREP6‑10 proportional pressure‑reducing Hydraulic valve consists of dual proportional solenoids, pressure‑measuring spool and main‑stage control spool assembly. After receiving electrical command signal, the proportional solenoid generates corresponding thrust to push the control spool, opening the passage from inlet P to target output port (A or B), while connecting the other working port to tank T. The built‑in pressure‑measuring spool feeds back outlet pressure to balance solenoid thrust, keeping secondary pressure stable regardless of flow fluctuation inside the hydraulic system. When power is cut off, the spool returns to central position, connecting both A and B ports to tank, releasing residual pressure for the whole hydraulic system.
Damaged proportional solenoid, spool sticking or amplifier malfunction will cause pressure drift, unstable output pressure or pressure‑setting failure of the Machine. Replacing a qualified 3DREP6‑10 proportional pressure valve can restore accurate dual‑loop remote pressure‑regulation performance of your hydraulic circuit.
Core Advantages
1. Stepless electric remote pressure adjustment for two independent output branches, greatly improving automation and flexible pressure‑setting efficiency of your hydraulic system.
2. Direct‑operated 3‑way compact NG6 design, occupying little installation space, perfectly suitable for small‑and‑medium‑size integrated Machine.
3. Two optional control solutions: external amplifier or integrated OBE electronics, flexible to match different electrical cabinet layouts.
4. Standard ISO sub‑plate mounting dimension, strong interchangeability, convenient for upgrading or refitting existing hydraulic system.
5. Spring‑centered safety reset function, automatically releases residual pressure after power‑off, enhancing operational safety of hydraulic‑driven industrial Machine.
Application Range
3DREP6‑10 proportional pressure‑reducing Hydraulic valve is a high‑precision pressure‑control spare‑part for compact‑layout industrial hydraulic system. It is widely applied to injection‑molding machinery, hydraulic test‑benches, packaging equipment, small‑and‑medium hydraulic presses, CNC auxiliary hydraulic stations, automated assembly lines and other hydraulic‑driven industrial Machine. Suitable for hydraulic‑system integrators, equipment‑manufacturers, maintenance workshops and global spare‑parts distributors.
