Yuchai anti-surge valves are inspected from the appearance, testing the sealing, testing the opening or closing performance, testing the pressure resistance, and checking the valve material.
1. Appearance inspection: First check whether there is any obvious damage or deformation on the appearance of the anti-surge valve. If so, it may affect the sealing performance and service life of the valve.
2. Test the sealing: The valve can be installed on the test bench for sealing testing. First close the valve, then apply pressure on the valve and observe whether there is leakage in the valve.
3. Test the opening or closing performance: When opening or closing the valve, you should feel that the valve opens or closes smoothly, without any stagnation or lag.
4. Test the pressure resistance: apply a certain pressure on the valve and observe whether the valve is deformed or broken.
5. Check the valve material: The quality of the valve material directly affects the service life and performance of the valve.