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Title: Pressure Relief Valve Comparison And Sizing Guide
Author: Chris Buxton
Source: 1987 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1987
Abstract: Pressure relief devices are a necessary piece of equipment in almost any processing facility, Relieving devices such as rupture discs or safety relief valves are closed and inoperative during normal operating conditions. However, when a process upset occurs, it is imperative that the rupture disc or the safety relief valve, normally the last defense of a catastrophic accident, operates correctly. The following is a comparison of the various types of safety relief valves (SRV) as well as highlighting important points in sizing the valves. This information should be used only as an outline during valve selection. All applications are unique, and there is not one single SRV suitable for all services. The SRV manufacturer should be contacted when more detailed and specific data on a particular valve is required.

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