Plug valves are valves with cylindrical or conically tapered plugs which can be rotated inside the valve body to control flow through the valve Shop plug valves at ferguson The plugs in plug valves have one or more hollow passageways going sideways through the plug, so that fluid can flow through the plug when the valve is open
What is a Lubricated Plug Valve? - News - China plug valve manufacturer
Plug valves are simple and often economical
When the plug is conically tapered, the stem/handle is typically attached to the larger.