1. Date of download: 10/15/2017
Copyright © ASME. All rights reserved.
From: The Effects of Maintenance Actions on the Average Probability of Failure on Demand of Spring Operated Pressure Relief Valves
J. Pressure Vessel Technol. 2015;137(6): doi: /
Figure Legend:
Conceptual representation of a typical SOPRV

2. Date of download: 10/15/2017
Copyright © ASME. All rights reserved.
From: The Effects of Maintenance Actions on the Average Probability of Failure on Demand of Spring Operated Pressure Relief Valves
J. Pressure Vessel Technol. 2015;137(6): doi: /
Figure Legend:
Plot of distribution of SOPRV by orifice diameter and set pressure with FTO SOPRV noted

3. Date of download: 10/15/2017
Copyright © ASME. All rights reserved.
From: The Effects of Maintenance Actions on the Average Probability of Failure on Demand of Spring Operated Pressure Relief Valves
J. Pressure Vessel Technol. 2015;137(6): doi: /
Figure Legend:
Plot of distribution of SOPRV by proof test ratio, R, and year of proof test with FTO SOPRV noted as to cause: random versus user responsibility

4. Date of download: 10/15/2017
Copyright © ASME. All rights reserved.
From: The Effects of Maintenance Actions on the Average Probability of Failure on Demand of Spring Operated Pressure Relief Valves
J. Pressure Vessel Technol. 2015;137(6): doi: /
Figure Legend:
Plots of PFDavg versus TP for maintenance scenarios 1a, 2a, 3a, and 4

5. Date of download: 10/15/2017
Copyright © ASME. All rights reserved.
From: The Effects of Maintenance Actions on the Average Probability of Failure on Demand of Spring Operated Pressure Relief Valves
J. Pressure Vessel Technol. 2015;137(6): doi: /
Figure Legend:
Plots of PFDavg versus TP for maintenance scenarios 1b, 2b, 3b, and 4