Pressure Test Method of Check Valve
Classification:
Release Time：2017-12-13
Check valve is to rely on the flow of the medium itself and automatically open and close the valve flap, used to prevent the medium back flow of the valve, also known as check valve, one-way valve, reverse flow valve, and back pressure valve. Check valve is a kind of automatic valve, its main function is to prevent the medium back, to prevent the pump and drive motor reverse, and the discharge of the container medium. Check valve pressure test method: check valve test status: lift check valve disc axis in a position perpendicular to the horizontal; swing check valve channel axis and disc axis in a position approximately parallel to the horizontal line. During the strength test, the test medium is introduced from the inlet end to the specified value, and the other end is closed,
Check valve is to rely on the flow of the medium itself and automatically open and close the valve flap, used to prevent the medium back flow of the valve, also known as check valve, one-way valve, reverse flow valve, and back pressure valve. Check valve is a kind of automatic valve, its main function is to prevent the medium back, to prevent the pump and drive motor reverse, and the discharge of the container medium.
Check valve pressure test method:
Check valve test status: lift check valve disc axis in a vertical and horizontal position; swing check valve channel axis and disc axis in a position approximately parallel to the horizontal line.
During the strength test, the test medium is introduced from the inlet end to the specified value, and the other end is closed. It is qualified to see that the valve body and valve cover have no leakage.
For the tightness test, the test medium is introduced from the outlet end, and the sealing surface is inspected at the inlet end. No leakage at the packing and gasket is considered as qualified.
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