When using the hydraulic pressure method to check the leakage of the valve, first fill the valve with water, and then use the pump to inject water, observe whether there is water leakage around the valve. It’s usually done manually and directly to see if water leaks.
High Pressure Metal Seated Ball Valves
When using ultrasonic method for valve leakage detection, cut off the audible frequency part of the leakage sound and only amplify the ultrasonic part to detect the leakage. Usually workers directly use the ultrasonic detector, according to the instrument pointer swing, determine whether there is no leakage, can also use frequency conversion technology to convert the ultrasonic signal to human ears can hear the signal.
API 600 Ball Valve
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