Which term is represented by the bowtie symbol in valve representations?

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Study for the Junior Officer Surface Material Readiness Course Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which term is represented by the bowtie symbol in valve representations?

Explanation:
In valve symbols, the bowtie shape signals a shut-off valve used to stop flow, a stop valve. The two opposing triangles meeting in the center visually convey a closure mechanism that blocks the line when actuated. This makes the bowtie a clear shorthand for a stop valve in many piping diagrams. It’s different from a swing check valve, which is drawn with a disk that swings to allow flow in one direction, and any valve locked shut or locked open would include extra markings to show the locking feature. Without those extras, the bowtie denotes a standard stop valve ready to isolate a section of the system.

In valve symbols, the bowtie shape signals a shut-off valve used to stop flow, a stop valve. The two opposing triangles meeting in the center visually convey a closure mechanism that blocks the line when actuated. This makes the bowtie a clear shorthand for a stop valve in many piping diagrams. It’s different from a swing check valve, which is drawn with a disk that swings to allow flow in one direction, and any valve locked shut or locked open would include extra markings to show the locking feature. Without those extras, the bowtie denotes a standard stop valve ready to isolate a section of the system.

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