Grooved end butterfly valve. Solenoid valve with timer.

Grooved End Butterfly Valve

butterfly valve
A butterfly valve is a valve which can be used for isolating or regulating flow. The closing mechanism takes the form of a disk. Operation is similar to that of a ball valve, which allows for quick shut off.
A valve consisting of a disk rotating on an axis across the diameter of a pipe to regulate the flow, as in the throttles of many engines
a valve in a carburetor that consists of a disc that turns and acts as a throttle
A valve consisting of a pair of semicircular plates that are attached to a spindle across a pipe and hinged to allow flow only one way
(Butterfly Valves) A valve consisting of a cylindrical body with a rotating vane to control flow. Tight Shutoff is obtained by an elastomer body liner into which the vane seats.

grooved
established as if settled into a groove or rut
make a groove in, or provide with a groove; "groove a vinyl record"
Provided with or having a groove or grooves
(groove) a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record)

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"
Reach a point and go no further
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"
Perform a final act
Come or bring to a final point; finish
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"

Groove-billed Ani IMG 5586edttpz Groove Armada
See also:
myson motorised valve
cpvc globe valve
banjo valves
milwaukee butterfly valves
china angle valve
parker hannifin hydraulic valve
washing machine isolation valve
dig irrigation valves