Superheat Correction Factor

on 24 January 2016. Posted in Tables

Superheat Correction Factor The table below is used to calculate the superheat correction factor, Ksh when sizing a relief valve in steam service.
Set Pressure	Temperature (degrees Fahrenheit)
40	1.00	0.99	0.93	0.88	0.84	0.81	0.77	0.74	0.72	0.70
60	1.00	0.99	0.93	0.8S	0.84	0.S1	0.77	0.75	0.72	0.70
80	1.00	0.99	0.93	O.S8	0.84	0.81	0.77	0.75	0.72	0.70
100	1.00	0.99	0.94	0.89	0.84	0.81	0.77	0.75	0.72	0.70
120	1.00	0.99	0.94	0.89	0.84	0.81	0.78	0.75	0.72	0.70
140	1.00	0.99	0.94	0.89	0.85	0.81	0.78	0.75	0.72	0.70
160	1.00	0.99	0.94	0.89	0.S5	0.81	0.78	0.75	0.72	0.70
180	1.00	0.99	0.94	0.89	0.85	0.81	0.78	0.75	0.72	0.70
200	1.00	0.99	0.95	0.89	0.85	0.81	0.78	0.75	0.72	0.70
220	1.00	0.99	0.95	0.89	0.85	0.81	0.78	0.75	0.72	0.70
240	-	1.00	0.95	0.90	0.85	0.81	0.78	0.75	0.72	0.70
260	-	1.00	0.95	0.90	0.85	0.81	0.78	0.75	0.72	0.70
280	-	1.00	0.96	0.90	0.85	0.81	0.7S	0.75	0.72	0.70
500	-	1.00	0.96	0.90	0.85	0.81	0.78	0.75	0.72	0.70
550	-	1.00	0.96	0.90	0.86	0.82	0.78	0.75	0.72	0.70
400	-	1.00	0.96	0.91	0.86	0.82	0.7S	0.75	0.72	0.70
500	-	1.00	0.96	0.92	0.86	0.82	0.78	0.75	0.73	0.70
600	-	1.00	0.97	0.92	0.87	0.82	0.79	0.75	0.73	0.70
800	-	-	1.00	0.95	0.8S	0.83	0.79	0.76	0.73	0.70
1000	-	-	1.00	0.96	0.89	0.84	0.78	0.76	73.00	0.71
1250	-	-	1.00	0.97	0.91	0.85	0.80	0.77	0.74	0.71
1500	-	-	-	1.00	0.93	0.86	0.81	0.77	.0.74	0.71
1750	-	-	-	1.00	0.94	0.86	0.81	0.77	0.73	0.70
2000	-	-	-	1.00	0.95	0.86	0.80	0.76	0.72	0.69
2500	-	-	-	1.00	0.95	0.85	0.78	0.73	0.69	0.66
3000	-	-	-	-	1.00	0.82	0.74	0.69	0.65	0.62

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