The Model Significance of Two-position Five-way Solenoid Valves

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The Model Significance of Two-position Five-way Solenoid Valves The model significance of two-position five-way solenoid valves usually consists of multiple parts, and the naming rules of different manufacturers vary. The following are some common interpretations of the significance:

### Numerical Part

- **Orifice Diameter Size**: The numbers in the model may represent the orifice diameter size of the solenoid valve, usually in millimeters. For example, in common models like 2V025, "025" may indicate that the orifice diameter is 25 mm. The size of the orifice diameter determines the flow rate of the solenoid valve and the applicable pipe size, etc.

- **Series Number**: Numbers may also represent the product series. Products of the same series from the same manufacturer usually have similar structural, performance, and dimensional characteristics. For example, the numbers in SMC's VQZ100, 200, 300 series represent different series.

Alphabetical Part - **Control Mode**:

- **Single-electromagnetically Controlled and Double-electromagnetically Controlled**: If the model contains expressions like "2V", "4V2", etc., the "2" generally represents a two-position valve. When the last digit is "1", it usually represents single-electromagnetically controlled, and when it is "0", it represents double-electromagnetically controlled. For example, 4V210 is a two-position five-way single-electromagnetically controlled solenoid valve, and 4V220 is a two-position five-way double-electromagnetically controlled solenoid valve.

- **Pilot-operated and Direct-acting**: Some manufacturers will use specific letters to represent the operation mode of solenoid valves. For example, for SMC solenoid valves, the pilot-operated type may have corresponding letters to reflect it, while the direct-acting type has no special letter markings, and this can be used to distinguish different control operation modes.

- **Function Symbol**: Different combinations of letters or numbers will be used to represent the functions of the valve spool, representing the connection modes of various ports when the valve spool is in different working positions, etc. For example, "2D2" in DSG-01 represents that the function of the valve spool is two-position, double-electromagnetically controlled with mechanical positioning.

- **Voltage Identification**: The model may contain letters or numbers representing voltage. Common identifications include DC24V, AC220V, etc., indicating the applicable working voltage of the solenoid valve. For example, "ac220v" in tg252208mdac220v represents an alternating current voltage of 220 volts.

- **Other Special Functions or Structural Features**: The letters in some models may represent the special functions or structural characteristics of solenoid valves. For example, explosion-proof solenoid valves may have specific letters to mark their explosion-proof levels. A common explosion-proof level is ExdⅡBT4, etc.

Other Identifications

- **Connection Mode**: Some models will mark the connection mode of solenoid valves, such as threaded connection, flange connection, etc. Different connection modes are applicable to different installation scenarios and piping systems.

- **Sealing Material**: Specific letters or symbols may be used to represent the sealing material used in solenoid valves. The choice of sealing material will affect the sealing performance and applicable media of solenoid valves.