The Tokimec DG5V-7-6C-1-E-P7-H-82-JA is a heavy-duty, two-stage solenoid-controlled, pilot-operated directional sliding spool valve engineered to govern high-volume fluid distribution in heavy manufacturing systems. Produced by Tokyo Keiki (formerly Tokimec), this size NG16 (CETOP 7) valve is designed to overcome the mechanical force limitations of direct-acting valves by using a small, high-efficiency pilot valve to hydraulically shift the massive main-stage spool.
This specific configuration stands out due to its comprehensive technical balancing. It features an external pilot supply and internal drain setup, allowing system engineers to supply a clean, stable independent pilot line to shift the main spool regardless of fluctuating primary system working pressures. The “H” option denotes optimized high-performance internal flow pathing, and the 82-JA design series incorporates advanced industrial-grade sealing and structural casting improvements that resist continuous high-duty fatigue cycles.
Core Technical Features & Advantages
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Advanced Multi-Stage Dynamics: The wet-armature pilot valve moves within a pressure-sealed tube filled with hydraulic oil, naturally dampening shifting shock, lowering airborne noise, and entirely removing wear-prone pushpin seals.
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Laminar Main Core Engineering: The large main-stage cast housing is structurally optimized to minimize internal fluid friction, drastically dropping pressure loss ($\Delta p$) at high flow volumes.
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High-Backpressure Reliability: Main-stage elements are built to absorb substantial return surges on the tank port (Port T) without risking uncommanded spool drift, stalling, or lockup.
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Heavy-Duty Electrical Junction Box (“P7”): Features an advanced central terminal junction box providing exceptional protection for internal wiring against surrounding factory hazards like oil mist, dust, and moisture.
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Hardened Spool Metallurgy: The precision-ground main spool features advanced wear-resistant coatings, ensuring minimal internal cross-port thermal bypass slip across millions of operational cycles.
Primary Applications
The Tokimec DG5V-7 heavy series is a vital automated control component heavily relied upon across high-stakes industrial production lines:
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Heavy-duty metal stamping, deep-drawing, and automated hydraulic pressing loops
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Large-scale plastic processing machinery, die-casting machinery, and high-output injection molding systems
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Scrap metal balers, industrial shearing equipment, and structural recycling compactors
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High-output industrial Hydraulic Power Units (HPUs) and automated primary manifold blocks
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Large infrastructure projects, marine deck winch drives, and automated bulk material handling systems
Technical Specifications Table
| Parameter | Value / Specification |
| Brand Name | Tokimec (Tokyo Keiki) |
| Model Code | DG5V-7-6C-1-E-P7-H-82-JA |
| Mounting Interface | ISO 4401-07 / Cetop 7 / NFPA D07 / NG16 |
| Actuation Type | Solenoid Controlled, Pilot Operated (Two-Stage) |
| Pilot Valve Tech | Wet Armature Type (Fluid Filled Solenoid) |
| Spool Layout / Code | 3-Position, Spring Centered / Type 6C |
| Pilot Supply / Drain | External Pilot Supply / Internal Drain Configuration |
| Electrical Junction | P7 Central Terminal Box Interface |
| Maximum Operating Pressure | Up to 31.5 MPa (4,570 psi) at Main Ports |
| Maximum Flow Capacity | Up to 300 L/min (79.2 GPM) depending on loop dynamics |
| Sealing Compounds | Premium NBR Standard / Optional FKM (Viton) |
