DG4V-3-8C-M-P7-H-7-54 | Tokio Keiki Three-Position Directional Control Valve
The DG4V-3-8C-M-P7-H-7-54 is a premium dual-solenoid directional control valve manufactured by Koganei, designed for advanced fluid management in industrial automation. This three-position, spring-centered valve is engineered with a specific 8C spool configuration, making it ideal for hydraulic circuits that require all ports (P, T, A, and B) to be connected to the tank in the center position. Its wet-armature design ensures high reliability and a long operational life by minimizing friction and enhancing heat dissipation.
Technical Specifications and Engineering Data
Directly sourced from official manufacturer data sheets, the DG4V-3-8C-M-P7-H-7-54 includes the following technical attributes:
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Spool Configuration: 8C Type (Three-position, spring centered, open center – all ports open to tank).
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Mounting Standard: ISO 4401-03 (Size 03) interface.
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Maximum Operating Pressure: Rated for high-pressure performance up to 350 bar (5075 psi).
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Electrical Interface: P7 Plug-in solenoid connection for rapid installation and standardized maintenance.
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Coil Voltage: 24V DC (H-7 design series).
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Design Series: 54 (Metric design sequence for global system compatibility).
Industrial Design and Functional Features
The DG4V-3-8C-M-P7-H-7-54 features an «M» manual override, which allows for manual spool actuation during system commissioning or power-down scenarios. The «open center» 8C spool is particularly valuable in systems where the pump must be unloaded to the tank while the valve is in neutral, reducing heat generation and energy consumption. Its high-fatigue construction is designed to withstand the rigors of continuous-duty industrial applications such as injection molding, metal stamping, and automated material handling.
