4V220-08
for Yutong Buses
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| Gate pump solenoid valve parameter information table | ||
| Parameter Category | Detailed Specifications | Remarks |
| Basic Type | 5/2 Way Double Solenoid Valve | Dual coil control, maintains position after power failure |
| Action Method | Internal pilot, external pilot optional | Pilot pressure range: 0.15-0.8MPa |
| Working Pressure | 0.15-0.8MPa (21-116PSI) | Guaranteed pressure resistance: 1.2MPa |
| Working Medium | Dry, clean compressed air (filtered through a 40μm or larger filter) | Recommended to install a triple unit (filter + pressure regulator + lubricator) |
| Interface Specifications | Inlet/Outlet: G1/4" (PT1/4" or NPT1/4") | Pipe thread type varies by brand |
| Exhaust Port: G1/8" (PT1/8) | ||
| Effective Cross-sectional Area | 16-17mm² (CV value: 0.89-1.0) | Determines flow rate, affects cylinder movement speed |
| Operating Temperature | -5℃ to 60℃ (some brands can reach 70℃) | Avoid use in low-temperature condensation or high-temperature environments |
| Coil Parameters | Voltage: DC12V, DC24V (most common), AC110V, AC220V | - |
| Insulation Class: F | ||
| Power: Approx. 18-25W | ||
| Voltage Fluctuation Range: Rated ±10% | ||
| Structural Material | Valve Body: Aluminum Alloy | - |
| Seals: NBR Rubber (Nitrile Rubber optional) | ||
| Weight | Approx. 0.32kg (320g) | - |
| Action Frequency | Up to 5 times/second | Suitable for medium- and high-speed pneumatic control |
| Response Time | Approx. 30ms | Sensitive response, suitable for rapid switching scenarios |
| Service Life | ≥15 million cycles | Sliding column structure, low frictional resistance, long service life |
| Electrical Connection | Terminal type, plug type (DIN43650A standard), box type | Protection Class: IP65 (some brands) |

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Performance Characteristics
1. Power-off retention function: Dual electronic control design maintains the current working position after power failure, preventing accidental operation and improving safety.
2. High reliability: Sliding column structure, good sealing, strong anti-contamination ability, and low failure rate.
3. Fast response: Internal pilot design, short response time (approximately 30ms), suitable for high-frequency operations.
4. Low starting pressure: Minimum operating pressure is only 0.15MPa, suitable for low-pressure pneumatic systems.
5. Flexible installation: Multiple cable outlet and installation methods are available (plate type, pipe type) to adapt to different installation spaces.
6. Easy maintenance: Equipped with a manual device for easy installation and debugging; no lubrication required (some brands).