2024-09-30
Ball valve and plug valve: comprehensive comparative analysis
The ball valve evolved from the plug valve. Its opening and closing part is a ball that rotates 90° around the shaft of the stem to open and close. The structure of the ball valve is relatively simple, consisting of a ball body and a hole through the sphere.
The closure of the plug valve is a plunger-shaped rotary valve, which rotates 90° to make the channel port on the valve plug open or separate from the channel port on the valve body. The structure of the plug valve is relatively complex, consisting of a valve body, a valve cover, a valve core, a valve seat and a stem.
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