globe or plug - Eng-Tips
Jun. 30, 2025
globe or plug - Eng-Tips
The brief answer is no.
Globe valve: A valve where a disc (or for for instance for regulating globe valves a plug) is moved (screwed multiturn, usually) down to close the valve.
A plug valve: a valve where a cylindrical or sligtly cone formed plug with a throughgoing cylindrical opening, is moved 90 degrees on the stem axis to open or close the valve (similar to a ball valve).
I believe the english language itself is contributing to your question. 'Plug' could in some cases cover the description of the form of the 'disc' usually closing a globe valve.
Other languages uses other common group names/partitions between group of valves or description of valve constructions than english. German is often more precise in this matter than english as an example.
ok,
I was joking about the German, I am not German but I do speak it.
The question was based on the fact that according to a our isometric dwg the flange to flange distance is 295 mm for a 4" globe valve, however the actual FF distance of the valve 352,5 mm. I attach the drawing of the valve. I understand that the FF distance must be according to ASME B16.10 where there is a difference between globe and plug valve. But after reading your answer it is clear to me that our valve is a globe valve with a plug, but then it does not match ASME.
Masoneilan™ Series Cage Guided Valve from VSI
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