Bellows Globe Valve

globe valve
A globe valve is a type of valve used for regulating flow in a pipeline, consisting of a movable disk-type element and a stationary ring seat in a generally spherical body.
A valve that lets you adjust the flow of water to any rate between fully on and fully off. Also see Gate Valve.
A valve with a linear motion, push-pull stem, whose one or more ports and body are distinguished by a globular shaped cavity around the port region.

bellows
A device with a bag that emits a stream of air when squeezed
a mechanical device that blows a strong current of air; used to make a fire burn more fiercely or to sound a musical instrument
A kind used in a harmonium or small organ
A kind with two handles used for blowing air at a fire
A bellows is a device for delivering pressurized air in a controlled quantity to a controlled location. Basically, a bellows is a deformable container which has an outlet nozzle. When the volume of the bellows is decreased, the air escapes through the outlet.
In photography, a bellows is the pleated expandable part of a camera, usually a large or medium format camera, to allow the lens to be moved with respect to the focal plane for focusing.