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How to test pneumatic butterfly valve? Small data cannot be missed
When a pneumatic butterfly valve is used, the butterfly valve of the pneumatic switch must be tested accordingly. Only when the relevant test is done well, can it be ensured that the butterfly valve of the start-up switch purchased by him will not have any problems, and at the same time, the dangers in the work can be guaranteed. Sex gradually decreased. But in the end to test the start and stop butterfly valve what problem? What are the most basic considerations in the testing process? Of course, we must look at the following aspects.
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Test tightness
In the test process, the first thing to be tested must be the sealing property. The sealability of a pneumatic butterfly valve is not strong enough to directly determine the efficiency of the work.
During the test, the pressure of the pneumatic switch butterfly valve must be tested first. During the test, the other end must be properly sealed to ensure that the pressure of the pneumatic switch butterfly valve is very stable. In the test, it is forbidden to operate for a short time, but at least three minutes or more must be tested to obtain a stable value. During the test, the test hammer must be used, and the related parts must be beaten. Special attention should be paid to this. It is the corresponding part related to the seal.
In the test process, the stability of the environment must be ensured, and no leakage of liquid can occur. If an air test is performed, blisters must not occur. When testing the sealability, the country has relevant regulations. Under certain pressure, no leakage can occur, and it must be tested for more than three minutes.
Test leak
What is the leakage amount? Quite simply, the amount of leakage refers to the liquid that flows through the pneumatic butterfly valve under certain test conditions and the valve is closed. Of course, the test conditions are stipulated. Generally speaking, there is a strong reasoning that the valve seat and the valve core of the pneumatic switch butterfly valve can be pressed, and after the pneumatic switch butterfly valve is closed, both sides of the valve have a relatively strong pressure difference, and Room temperature is relatively stable.
In general, pneumatic switch butterfly valve will have a certain amount of leakage, and the factors that affect the leakage are more, such as the pressure of the pneumatic switch butterfly valve, the sealing material, after a long time use, the sealing surface of the pneumatic switch butterfly valve is Worn condition and so on.
Pneumatic switch butterfly valve test work needs to start from many aspects, the main test is the sealing and leakage, all-round consideration, and then to ensure the relevant work of the test.
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