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VALVE PARTS AND TERMINOLOGY
Port: Entrance and exit opening in the body.
Body: Pressure containing portion of valve with end connections
Disc: Linear movable element with sealing surface (gate, globe, check and butterfly)
Rotor: Rotating movable element with sealing surface (ball, plug)
Body Seat: “Stationary” sealing surface inside the body that contacts the disc or rotor
Weld
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