Abstract
This chapter presents an example to show how end users can specify their requirements for safety relief valves (SRVs) so that the risk for having wrong valves installed is minimized. It provides guidance on what sort of information could be provided to the SRV manufacturer in order to ensure a safe situation on the site. The specification for the overall design, inspection, testing and preparation for shipment of SRVs are discussed. The need for impact testing shall be based on ASME code requirements and the minimum specified temperature on the specification sheets of the end user. Valves which do not bear the ASME code stamp and/or the CE marking shall be calibrated and the capacity demonstrated in the manner prescribed by the ASME Code Section VIII. Most manufacturers use software to size and select their valves, but very little software is available which calculates the valves independent of specific vendors' data and where data can objectively be used.
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