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What does it mean when someone saying valve's trim?

asked Mar 25, 2014 in E&I by gagonza (3,020 points)

2 Answers

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answered May 31, 2016 by TPham (5,010 points)
Valve's trim is the internal of the valve. Think of it as the heart of a valve that controls how the valve operates.

It typically consists of cage, seat, plug, disk, retainer, stem, pin, etc.

The trim also include the closure member that controls how the valve opens or closes.
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answered May 31, 2016 by TPham (5,010 points)
Additional information regarding the "trim" in a control valve is that trim parts can be modified, altered, changed to accommodate a larger or smaller flow.
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