D providing data for sizing and selection for the

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Unformatted text preview: itions. c. Selecting the minimum required oriÞce area based upon relieving conditions derived from full knowledge of the pressure-relieving system and the requirements of the applicable codes and regulations. d. Providing data for sizing and selection. For the convenience of the purchaser, a sample speciÞcation sheet is given in Appendix A. Nameplate nomenclature and requirements for stamping are detailed in Appendix B. 1.2 REFERENCED PUBLICATIONS The latest edition or revision of the following standards, codes, and speciÞcations shall, to the extent speciÞed, form a part of this standard. API RP 520 SulÞde Stress Cracking Resistant Metallic Materials for Oil Field Equipment The manufacturer is primarily responsible for the following: Sizing, Selection, and Installation of Pressure Relieving Devices in ReÞneries, Parts I and II Seat Tightness of Pressure Relief Valves a. Designing and manufacturing pressure relief valves to satisfy the requirements of this standard and the purchaserÕs speciÞcation. ASME1 Boiler and Pressure Vessel Code Section VIII, Pressure Vessels, Division 1 and 2 Section IIÑMaterial SpeciÞcations SA 216 Carbon-Steel Castings Suitable for Fusion Welding for High-Temperature Service SA 217 Martensitic Stainless Steel and Alloy Steel Castings for Pressure-Containing Parts Suitable for High-Temperature Service SA 351 Austenitic Steel Castings for Pressure Containing Parts SA 494 Nickel and Nickel Alloy Castings b. Publishing relieving capacities based upon certiÞed test data. Std 527 --``,,,`,``,,`````,,,,,`,,,``-`-`,,`,,`,`,,`--- ASME/ANSI2 B16.5 B16.34 c. Advising the purchaser of any nonconformance to the purchaserÕs speciÞcation. d. Final sizing veriÞcation using the manufacturerÕs actual oriÞce area and certiÞed coefÞcient of discharge. 1.5 CONFLICTING REQUIREMENTS Whenever the information included on the purchaserÕs speciÞcation sheet or purchase order conßicts with the provisions of this standard, the purchaserÕs speciÞcation sheet or purchase order shall govern. Where conßicting requirements exist, the manufacturer shall call them t...
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This document was uploaded on 11/25/2013.

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