Ball Valve And Globe Valve Symbol

Subsequent two symbols are of a check valve and stop check valve. Normally closed gate valve. The next symbol is of the excess flow valve.

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The standard control valve symbol.

Ball valve and globe valve symbol. This valve is known for precise throttling and control. These check valves can be swing check or lift check valve. It can be a plug or ball valve. Each p id has its own legend that identifies the symbols for the various equipment.

Also visit our valve terminology pages for alphabetic listing and descriptions of words and phrasing within the valve business. Used when a straight flow of fluid and minimum restriction is desired. Withstand extreme pressure temperature and high volume flow. Used for high flow capacity.

While there is some variation examples of the standard symbols for control valves are in the pdf below. Butterfly valve symbol. Normally closed ball valve. You can see that it is the same as a check valve with the only difference is the written text below the valve symbol.

Check valve symbol 1. Excellent to be used as a control valve due to its complex flow path. During opening and closing of globe valve disc moves perpendicularly to the seat. Symbols for position and process controllers for process valves 10 globe valves straight through diaphragm valves full bore 2 2 way 19 ball valves multi port 3 2 way with t passage 21 ball valves multi port 3 2 way with l passage 22 butterfly valves 2 2 way 23 swing check valve 2 2 way 24 gate valves 2 2 way 25 pinch valves 2.

Ball valves are quarter turn straight through valves that have around closure element with matching rounded seats that permit uniform sealing. The globe valve disk can be removed entirely from the flow path or it can completely close the flow path.