The difference between direct acting solenoid valve and pilot solenoid valve- Ningbo Xinmadi Automation Technology Co., Ltd

The difference between direct acting solenoid valve and pilot solenoid valve

2022-12-22

The difference between direct acting solenoid valve and pilot solenoid valve:

1. Different bearing pressure: the hydraulic pressure of the pilot solenoid valve is higher than that of the straight-through solenoid valve.

2. The response time is different: the start-up speed of the direct-acting solenoid valve is faster than that of the pilot-operated solenoid valve, and it is mostly used for quick cut-off places. Because the pilot solenoid valve is powered on, the small valve opens first, and the main valve opens later, while the direct-acting solenoid valve opens the main valve directly.

3. The flow capacity is different: the flow capacity of the pilot solenoid valve is larger than that of the direct-acting type, and the general CV value can reach more than 3, while the general CV value of the direct-acting solenoid valve is less than 1.

4. The power and loss are different: the power and loss of the direct-acting solenoid valve are greater than that of the pilot type.

5. The cleanliness requirements of the medium are different: the pilot-operated solenoid valve has relatively high requirements for the purity of the circulating medium, while the direct-acting solenoid valve is not so strict.