YUKEN DSG-01-2B2-A110-N1-50 Valve
Typical applications: Control the reciprocating motion of single acting or double acting oil cylinders (such as clamping/releasing fixtures, lifting/lowering baffles). Direction control in small and medium-sized hydraulic systems. In situations where spring reset safety function is required (such as when the oil cylinder must automatically retract or extend to a safe position during power failure).
Model Analysis: DSG-01-2B2-A110-N1-50
According to the naming convention of Oil Research, this model can be disassembled into the following parts, each representing a specific technical feature:
DSG: Series code. Refers to a "direct acting" electromagnetic directional valve. This type of valve relies on the direct thrust of an electromagnet to switch the spool, with a compact structure and fast response, but its flow and pressure capabilities are usually lower than those of pilot operated valves. Suitable for small and medium-sized traffic systems.
01: Valve port size/diameter. The "01" here corresponds to CETOP 3 specification, or NG6 (with a diameter of approximately 6mm). This is a commonly used standard in Europe and Japan, and the interface thread is usually M12 × 1.5 or M14 × 1.5.
2B2: Valve core function and position number.
The first number 2: two digits. This indicates that the valve has two working positions (usually two states for the electromagnet: energized and de energized).
B: Valve core function symbol. This is the most crucial part. B function usually refers to O-type neutral function (commonly seen in three position valves), but in two position valves, "B" usually refers to the initial position (when the electromagnet is not energized) where oil port P is connected to B and A is connected to T. This is one of the most common functions of a two position four-way valve. Another common two position valve function is "A" (the initial position P is connected to A, and B is connected to T).
The second number 2: Optimization code for valve core type/internal channel. May represent special flow characteristics or process numbers, which are internal details of the manufacturer.
A110: Electromagnetic specifications.
A: Standard wet plug electromagnet. This is the most common type, with high reliability and allowing for frequent switching.
110: Power supply voltage and frequency code. '110' usually represents AC 110V, 50/60Hz. If it is DC, the common codes are "24", "12", etc.
N1: Electrical connection method.
N: DIN standard plug with indicator light (protection level IP65).
1: The code for the length of the wire lead out or the specific form of the plug.
50: Design serial number/version number. The 50th design improvement or specific version representing the product.
Core technical parameters and characteristics (based on typical values of DSG-01 series)
Type: Direct acting, two position four-way electromagnetic directional valve.
Installation form: Bottom plate type. The valve itself is fixed to the base plate by screws, and the base plate is integrated into the oil circuit block or valve plate for easy maintenance.
Working pressure: The maximum pressure can reach 21 MPa (210 bar), and the rated pressure is generally 17.5 MPa (175 bar).
Flow capacity: Under rated pressure difference, it is usually 20-30 L/min (depending on oil viscosity and pressure difference). Attention: The flow rate of the direct acting valve is relatively small. If the flow rate exceeds this limit, a pilot operated valve (such as the DSHG series) should be selected.
Median function: As mentioned above, the initial position (power-off state) is: P → B, A → T.
When powered on: the valve core changes direction and becomes P → A, B → T.
Reset method: Spring reset (after the electromagnet loses power, the spring pushes the valve core back to its initial position).
Applicable oil: Mineral based hydraulic oil (ISO VG32 or 46 most commonly used).
Oil temperature range: -20 ° C to 70 ° C.
Protection level: Electromagnetic plugs are generally IP65 (dustproof and waterproof).
Working principle and typical applications
Working Principle:
Power off state: The spring force keeps the valve core in its initial position. Pressure oil (P port) flows towards B port, driving the actuator (such as oil cylinder) to move in one direction; The oil on the other side of the actuator flows back to the oil tank (T port) from port A.
Power on state: The electromagnet generates thrust, overcoming the spring force to push the valve core to move. At this point, the P port is connected to the A port, and the B port is connected to the T port, driving the actuator to move in the opposite direction.
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