Fill in item number 2 fill in users pressure relief

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Unformatted text preview: 500¡F column are limited to 300¡F. Copyright American Petroleum Institute Reproduced by IHS under license with API No reproduction or networking permitted without license from IHS Licensee=TECNA/5935100001 Not for Resale, 05/05/2005 09:50:16 MDT --``,,,`,``,,`````,,,,,`,,,``-`-`,,`,,`,`,,`--- Temperature Range, Ð 450¡F to 500¡F APPENDIX A— PRESSURE RELIEF VALVE SPECIFICATION SHEETS 33 Copyright American Petroleum Institute Reproduced by IHS under license with API No reproduction or networking permitted without license from IHS --``,,,`,``,,`````,,,,,`,,,``-`-`,,`,,`,`,,`--- Licensee=TECNA/5935100001 Not for Resale, 05/05/2005 09:50:16 MDT FLANGED STEEL PRESSURE RELIEF VALVES INSTRUCTIONS SPRING-LOADED PRESSURE RELIEF VALVE SPECIFICATION SHEET Line No. Fill in item number. 2. Fill in userÕs pressure relief valve identiÞcation number. 3. Specify service, line, or equipment to be protected. 4. Specify number of valves required. 5. Specify the applicable Code(s) and whether Code Symbol nameplate stamping is required. 6. Valve should comply with API Std 526. 7. Check Þre or specify other basis of selection. 8. Specify whether a rupture disk is being used under the valve inlet. 9. Specify whether valve is conventional, balanced bellows, and/or balanced piston. 10. Give description of valve inlet (full nozzle, semi-nozzle, or other type). 11. Specify open or closed bonnet. 12. Specify metal-to-metal or resilient seat. 13. If other than API Std 527, specify seat test requirements. 14. Specify pipe size of inlet, ßange rating, and type of facing. 15. Specify pipe size of outlet, ßange rating, and type of facing. 16. Specify type of connection if other than ßanged (e.g., threaded, socket weld, etc.). 17. Specify material of body. 18. Specify material of bonnet. 19. Specify material of seat or nozzle and disk. 20. If a resilient seat is required, specify material. 21. Specify material of guide. 22. Specify material of adjusting ring or rings. 23. Specify material of spring and spring washer. 24. Specify material of bellows. 25. Specify material of balanced piston. 26. Materials selected should be listed in NACE MR0175. 27. Specify any othe...
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This document was uploaded on 11/25/2013.

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