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superheat
- Thread starter techman81
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I can take what "SeanB" said a little further.
I assume we are talking about a steam relief case. At the controlling scenario for sizing you will have determined not only the flow but the relieving pressure (set pressure + allowable overpressure) and a co-incident temperature. Go to the steam table and look up the saturated steam temperature that corresponds to your relieving pressure. The difference between the co-incident relieving temperature and this saturated temperature is the degrees of superheat the PSV specification is looking for.
I assume we are talking about a steam relief case. At the controlling scenario for sizing you will have determined not only the flow but the relieving pressure (set pressure + allowable overpressure) and a co-incident temperature. Go to the steam table and look up the saturated steam temperature that corresponds to your relieving pressure. The difference between the co-incident relieving temperature and this saturated temperature is the degrees of superheat the PSV specification is looking for.
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