End Gate Valve

gate valve
(GATE VALVES) have a wheel type handle. Several turns of the handle are required to turn off a gate valve. Gate valves are most commonly used on main line pipes with high water pressure or high water flow.
A valve with a sliding part that controls the extent of the aperture
A valve that lets you completely stop, but not modulate, the flow within a pipe.
A gate valve, also known as a sluice valve, is a valve that opens by lifting a round or rectangular gate/wedge out of the path of the fluid.

end
have an end, in a temporal, spatial, or quantitative sense; either spatial or metaphorical; "the bronchioles terminate in a capillary bed"; "Your rights stop where you infringe upon the rights of other"; "My property ends by the bushes"; "The symphony ends in a pianissimo"
Come or bring to a final point; finish
Perform a final act
bring to an end or halt; "She ended their friendship when she found out that he had once been convicted of a crime"; "The attack on Poland terminated the relatively peaceful period after WW I"
Reach a point and go no further
either extremity of something that has length; "the end of the pier"; "she knotted the end of the thread"; "they rode to the end of the line"; "the terminals of the anterior arches of the fornix"