Transcription of API Standard 520 - Sizing, Selection, & Installation …
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API Standard 520 - Sizing, Selection, & Installation …
StandardSectionInquiry #QuestionReply520 Part I7th - Jan. 2000 1: Is this a correct interpretation of Section in that the backpressure was specified to not exceed the allowable overpressure?Question 2: If my interpretation of is correct, would relief valve manufacturers be required to test their relief valves at 21% overpressure with 21% backpressure in order to offer a certified and ASME coded/stamped relief valve? My concern here is to clarify under what circumstances this section may be invoked if there is a restricted opportunity to take advantage of its benefits due to lack of capability from relief valve manufacturerReply 1: Yes.
Standard Section Inquiry # Question Reply API Standard 520 - Sizing, Selection, & Installation of Pressure Relieving Devices Part I, Sizing & Selection
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API STANDARD 520, American Petroleum Institute, API Standard 520 Sizing, Sizing, Selection, and Installation of Pressure, Sizing, CAPRE User Guide, Standard, Inspection of Pressure, API Standard, Selection, and Installation of Pressure, Selection, and Installation of Pressure-Relieving, CHEMCAD Process Simulation for Equipment, CHEMCAD Process Simulation for Equipment Manufacturers