What is the meaning of dn50 electric butterfly valve actuator? The vibration reduction test is carried out on the whole machine, so the test condition is the actual working condition; The vibration reduction test can also be carried out on a special vibration reduction test bench, that is, to simulate the actual working conditions, artificially manufacture the vibration source, compare the difference between the electric butterfly valve without it and the electric butterfly valve installed, to evaluate the advantages and disadvantages of the electric butterfly valve. Its products cover various types of punch valve products, such as punch valve gasket, punch electric butterfly valve