Asme procedures and policies, which precludes the issuance of interpretations by individuals. Associations asa organized sectional committee b16 to unify and further develop standards for pipe flanges and fittings and later for valves and gaskets. Copyright american society of mechanical engineers licensed by information handling services. Use the material references in table 1 when determining pressuretemperature ratings of valves used in accordance with the asme. Case, approved on december 16, 20, provides alternative rules for establishing pressuretemperature ratings for asme b16. Fsc standardization area facr facilities engineering and design requirements. Permissible, but not recommended for prolonged use above 800f. Historically, in the development of standards and pressuretemperature ratings for steel valves, the various rating classes for flanges provided an obviously logical basis for valve ratings. Copyright american society of mechanical engineers licensed.
Guide to life cycle management of pressure equipment integrity ptb2 2009. No reproduction may be made of this material without written consent of asme. Traditional units fisher valves conforming to asme b16. American society of mechanical engineers asme standards. There is a newer edition of this document available. The next edition of this standard is scheduled for publication in 2015.
The user is advised that a valve used under the jurisdiction of the asme boiler and pressure vessel code, asme code for pressure piping, or governmental regulations is subject to any limitation of that code or regulation. It covers pressuretemperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for cast, forged, and fabricated flanged, threaded, and welding end and wafer or flangeless valves of steel, nickel. It covers pressuretemperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for cast, forged, and fabricated flanged, threaded, and welding end and wafer or flangeless valves of steel, nickelbase alloys, and other alloys shown in table 1. It covers pressuretemperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for. Asme b16 cases 1 and 2, and their implications for asme b16. It covers pressuretemperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for cast. It covers pressuretemperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for cast, forged, and fabricated flanged, threaded, and welding end and wafer or flangeless. Cosponsors of the b16 committee were the american society of mechanical engineers asme, the heating and piping contractors. The new 20 edition replaces the previous 2009 edition now obsolete. These gaskets are dimensionally suitable for use with flanges described in the referenced flange standards. Asme issues written replies inquiriesconcerning interpretations technicalaspects standard. The american society of mechanical engineers an american national standard forged fittings socketwedin and threaded asme b16. It covers pressuretemperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for cast, forged, and fabricated flanged, threaded, and welding end and wafer or flangeless valves of steel, nickelbase alloys.
Copyright american society of mechanical engineers. Traditional units material reference guide table u. In 2000, the standards committee, asme, and ansi approved an addenda to this. These ratings apply to all fisher cast, forged, and fabricated steel valves. December 16, 1996, with the new designation asme b16. Asme b16 cases 1 and 2, and their implications for asme. No visible leakage under all test pressures sequence. Asme b16 5 20 pipe flanges and flanged fittings nps 1 2 through nps 24 metric inch standard. General this standard applies to new construction and covers pressuretemperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for cast, forged, and fabricated flanged, threaded, and welding end and wafer or flangeless valves of steel, nickelbase alloys, and other alloys shown in table 1. To find similar documents by federal supply class code.
Referenced asme standards seven standards from the b16 series on pipe flanges and fittings ptc 25 pressure relief devices qai1 qualifications for authorized inspection asmes boiler and pressure vessel code bpvc 2015 3. Pdf asme b16 5 20 pipe flanges and flanged fittings nps 1. Table information is extracted from the valveflanged, threaded, and welding end, asme standard b16. Case 24, approved on february, 2014, provides rules for use of unlisted materials for construction of asme b16. Asmes pressure technology books applicable to pressure equipment standards. Refer to actual asme chart for valve selection, this chart updated as of 2012 is a general guide only. Relevance publication date document name a to z document name z to a most recent. Vma presentation pressure seal msssp144 and asme b1620.
Special pressuretemperature ratings for cl150 and cl300 threaded or welding end valves fisher valve materials that conform to asme b16. Ii2 scope with exception to material, pressure temperature ratings, rating designations, end connections, nde, special class and limited class requirements, astm b148 valves constructed under th is standard shall meet the applicable requirements of asme b16. Standard specification for composition bronze or ounce. Asme section viiidivision 2 example problem manual ptb3 20. Test duration can be as per api598 iso 5208 or api6d iso 143 title.
The section states that valves with bodies of sectional construction such that bolted or threaded body joints are subject to piping mechanical loads in addition to the pressure rating for which the valve is designed, shall satisfy the following. For pn ratings under iso 750011 as4331 the pressuretemperature ratings are proportionately extrapolated, refer to iso 750011. Pressuretemperature ratings for fisher valves asme b16. However, where such components were installed under the pressuretemperature ratings of an earlier edition of asme b16. Periodically certain actions asmeb16 committee may cases. Cosponsors of the b16 committee were asme, the heat ing and piping contractors nat ional associat ion now mechanical. No part of this document may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. These tables must be used in accordance with the asme standard. Asme issues written replies to inquiries concerning interpretations of technical aspects of this. Most backordered items can be rushed in from the publisher in as little as 24 hours. For forged versus cast equivalents as well as other ansi. Asme section viii division 2 criteria and commentary ptb1 2014.
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