The Globe valves are generally used to control the flow rate and ball valve used for open /close purpose only.
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 ball valve is a valve with a spherical disc, the part of the valve which controls the flow through it.
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A ball valve is a contrivance by which a ball, placed in a circular cup with a hole in a bottom, operates as a valve.
A ball valve is a ball with a hole through it that rotates around its axis to expose the hole for flow or the solid wall of the ball for no flow. The butterfly valve is a flat piece that is supported in the middle by a shaft that opens or closes when the shaft is rotated.
gate valve. globes are used for throttling and have far too many turns. ball valves are not made for thick stuff. this question was on the inter-provincal exam they had globe valve, gate valve, diaphragm valve and piston valve. for answers too choose from.
That would depend on the application such as high steam pressure and if throttling is needed
HECK NO READ the ASME code or the NBBI Also read up on valves and what they are designed to do. A "Globe" valve is used for THROTTLING and severely restricts flow Personally I like using a GATE valve in combination with a ball valve for Blow down applications