Introduce several methods for testing the performance of fluorine-lined ball valves

by:Lianke Valve     2022-05-03
Introduce several methods to test the performance of fluorine-lined ball valve 1) Test the minimum working pressure of fluorine-lined ball valve Carry out the action test according to the regulations of 2), and gradually reduce the test pressure, until the minimum working pressure of the fluorine-lined ball valve. The trap should be able to open and close correctly throughout the test. 2) Inspect the maximum working pressure test of the fluorine-lined ball valve. Carry out the action test according to the provisions of 2), and at the same time gradually increase the test pressure until the maximum working pressure. The trap shall open and close correctly throughout the test. 3) Check the maximum working back pressure test of the fluorine-lined ball valve. Carry out the action test according to the provisions of 2] under the maximum working pressure, and at the same time gradually increase the pressure at the outlet end of the trap until the fluorine-lined ball valve cannot be properly opened and closed. The highest outlet pressure that the trap can open and close correctly is the highest working back pressure. 4) Inspect the air discharge capacity test of the fluorine-lined ball valve. The air of no more than 0.3MPa is passed into the fluorine-lined ball valve. The trap should be able to discharge air, and the trap is allowed to close briefly within 5 minutes, but the closing time is not the fluorine-lined ball valve. Motion performance is calculated over 1 min.
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