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Alan Robinson, Arc Energy Resources, UK,
discusses anti-corrosion coatings to extend
the service life of globe valves.
G
lobe valves, which are used for regulating flow in pipelines,
consist of a movable disk-type element and a stationary ring
seat in a generally spherical body. They are named for their
spherical body shape, with the two halves of the body separated
by an internal baffle.
Globe valves are linear motion valves and are commonly used as on/
off valves and for throttling systems for both gas and liquid systems. The
gradual change in spacing between the disk and seat ring gives the globe
valve good throttling ability, as long as the pressure and temperature limits
Maintaining
flow around
the globe
