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Analyze the reason why the valve jumps early

Publish time: 2023-04-25 14:34:52

1. The reasons for the early jump of the medical valve pressure are as follows 

2. You set the wrong opening pressure (it's unlikely, but it doesn't mean it doesn't exist) 

3. High temperature valve calibration is generally carried out in cold state (all at normal temperature). Solenoid valve may be set in cold state due to high medium temperature, which may lead to opening pressure ratio set in cold state. Slightly lower (but not usually by this much) 

4. Check whether the pressure gauge is correct, because it is possible that the high temperature valve is normal but the pressure gauge is prohibited. 

5. Large pressure fluctuation. 

6, diesel engine solenoid valve generally jump common failure: 

7. High temperature valve leakage. 

8, high temperature valve back seat delay time is too long. 

9, high temperature valve frequency hopping. 

10, high temperature valve seat pressure is low or not. 

The most common reason is high temperature valve failure, mainly bad sealing surface or sealing surface damage. The way to eliminate this common fault is to clean up the dirt and residue falling into the sealing surface or repair the sealing surface. When the set pressure of the gate valve is too close to the normal working pressure of the equipment, the gate valve is also prone to leakage when it is subjected to vibration or steam pressure fluctuation. The set pressure should be adjusted according to the system software condition. Sometimes due to the relaxation of the torsion spring, the setting pressure is reduced and the valve body leaks. It may be due to factors such as constant high temperature or corrosion. Measures such as replacing the torsion spring or even replacing the high temperature valve should be taken according to the reason.





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