The Yuken DSG-01-2B3B-A120-7090-L is a premium industrial-grade, solenoid-operated directional control valve engineered to accurately govern fluid flow pathways in high-duty hydraulic systems. Manufactured by Yuken, a global leader in fluid dynamics, the DSG-01 series is built to maximize system efficiency by delivering exceptionally high flow capacities relative to its small physical size (NG06 / Subplate Size 6).
This specific configuration stands out due to its wet armature solenoid engineering. Because the solenoid core is enclosed within a pressure-tight tube filled with hydraulic fluid, mechanical impacts are naturally dampened. This design not only significantly reduces airborne workplace noise but also completely eliminates the dynamic shaft seals that are highly prone to wear and leakage in traditional dry-pin solenoids. The “L” designation indicates optimized internal wiring or low-wattage efficiency features designed to prevent heat accumulation during prolonged continuous-duty cycles.
Core Technical Features & Advantages
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Advanced Internal Flow Passages: The internal casting architecture is computationally optimized to ensure smooth, laminar fluid transition, which minimizes internal pressure drops ($\Delta p$) and curbs system heat generation.
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High Permissible Tank Line Pressure: Robustly engineered to withstand aggressive return-line backpressures at Port T without causing uncommanded spool shifting or mechanical stalling.
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Hardened Metallurgy & Tighter Tolerances: The precision-ground spool features advanced wear-resistant coatings, ensuring minimal internal cross-port thermal bypass slip across millions of operational cycles.
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Heavy-Duty Terminal Enclosure (7090 Design Series): Features an advanced electrical wiring box configuration that provides excellent IP-rated sealing against standard industrial ambient hazards like oil mist, dust, and moisture.
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Broad Chemical Stability: Built with high-grade NBR/FKM compounding to ensure absolute seal integrity when operating with petroleum-based hydraulic oils, synthetic options, or water-glycol fluid media.
Primary Applications
The Yuken DSG-01 size 3 series is universally utilized across high-stakes automated manufacturing and heavy industrial processing loops:
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High-precision CNC machine tools, automated machining fixtures, and robotic positioning jigs
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Plastic processing machinery, thermoforming systems, and injection molding cores
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Metal stamping, sheet-metal shearing, and automated hydraulic pressing machinery
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Multi-station industrial Hydraulic Power Units (HPUs) and centralized manifold blocks
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Automated material handling conveyor networks, sortation systems, and lift tables
Technical Specifications Table
| Parameter | Value / Specification |
| Brand Name | Yuken Kogyo |
| Model Code | DSG-01-2B3B-A120-7090-L |
| Mounting Interface | ISO 4401-03 / Cetop 3 / NFPA D03 / NG06 |
| Actuation Type | Solenoid Operated (Direct-Acting Sliding Spool) |
| Solenoid Type | Wet Armature (Fluid Immersed) |
| Spool Layout | 2-Position, Spring Offset |
| Spool Configuration | 2B3B Type |
| Electrical Rating | 120V AC, 50/60 Hz (A120 Code) |
| Maximum Operating Pressure | Ports P, A, B: Up to 31.5 MPa (4,570 psi) / Port T: Up to 16 MPa (2,320 psi) |
| Maximum Flow Capacity | Up to 100 L/min (26.4 GPM) depending on loop dynamics |
| Sealing System | High-Grade Industrial NBR Standard / Optional Viton (FKM) |
