How check valve works

2023-09-16

1. Principle

Check valves work on the principle of fluid flow dynamics. When pressure changes, the flow of fluid in and out of the check valve is affected. When fluid flows to the check valve, the check valve will automatically open; when the pressure changes, the check valve will automatically close to prevent fluid from flowing back.

2. Structure

The structure of the check valve can be divided into two categories: one is the spherical check valve, whose door body is spherical and can automatically open or close; the other is the disc check valve, whose door body is round The shape of the flap prevents backflow based on the pressure of the fluid.

In short, a check valve is a special valve whose main function is to prevent fluid from flowing back and has good sealing performance. Its working principle is based on the principles of fluid flow dynamics. Valves will be affected. The structure of the check valve is divided into ball check valve and disc check valve. The main function of the check valve is to prevent fluid from flowing back to ensure normal fluid flow, save energy, and protect equipment safety.

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