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. Traditional units fisher valves conforming to asme b16. 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. 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. Guide to life cycle management of pressure equipment integrity ptb2 2009. Asme section viii division 2 criteria and commentary ptb1 2014. Copyright american society of mechanical engineers. To find similar documents by federal supply class code. Asmes pressure technology books applicable to pressure equipment standards. Pdf asme b16 5 20 pipe flanges and flanged fittings. These ratings apply to all fisher cast, forged, and fabricated steel valves.
The new 20 edition replaces the previous 2009 edition now obsolete. In 2000, the standards committee, asme, and ansi approved an addenda to this. Asme procedures and policies, which precludes the issuance of interpretations by individuals. For pn ratings under iso 750011 as4331 the pressuretemperature ratings are proportionately extrapolated, refer to iso 750011. Copyright american society of mechanical engineers licensed. Relevance publication date document name a to z document name z to a most recent. 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. 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. Asme b16 5 20 pipe flanges and flanged fittings nps 1 2 through nps 24 metric inch standard. The american society of mechanical engineers two park avenue, new york, ny 100165990. Case 24, approved on february, 2014, provides rules for use of unlisted materials for construction of 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. Asme b16 cases 1 and 2, and their implications for asme.
Special pressuretemperature ratings for cl150 and cl300 threaded or welding end valves fisher valve materials that conform to asme b16. It covers pressuretemperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for. Associations asa organized sectional committee b16 to unify and further develop standards for pipe flanges and fittings and later for valves and gaskets. Permissible, but not recommended for prolonged use above 800f. Copyright american society of mechanical engineers licensed by information handling services.
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. Asme issues written replies inquiriesconcerning interpretations technicalaspects standard. Use the material references in table 1 when determining pressuretemperature ratings of valves used in accordance with the asme. 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. American society of mechanical engineers asme standards. These gaskets are dimensionally suitable for use with flanges described in the referenced flange standards. Asme issues written replies to inquiries concerning interpretations of technical aspects of this.
Case, approved on december 16, 20, provides alternative rules for establishing pressuretemperature ratings for asme b16. Standard specification for composition bronze or ounce. Pdf asme b16 5 20 pipe flanges and flanged fittings nps 1. 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. There is a newer edition of this document available. No visible leakage under all test pressures sequence. Asme b16 cases 1 and 2, and their implications for asme b16. Most backordered items can be rushed in from the publisher in as little as 24 hours. Refer to actual asme chart for valve selection, this chart updated as of 2012 is a general guide only. These tables must be used in accordance with the asme standard. It covers pressuretemperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for cast. Cosponsors of the b16 committee were asme, the heat ing and piping contractors nat ional associat ion now mechanical. Vma presentation pressure seal msssp144 and asme b1620.
Table information is extracted from the valveflanged, threaded, and welding end, asme standard b16. December 16, 1996, with the new designation asme b16. Fsc standardization area facr facilities engineering and design requirements. Traditional units material reference guide table u. 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. The american society of mechanical engineers an american national standard forged fittings socketwedin and threaded asme b16. Pressuretemperature ratings for fisher valves 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, nickel. For forged versus cast equivalents as well as other ansi. Periodically certain actions asmeb16 committee may cases.
The next edition of this standard is scheduled for publication in 2015. Asme section viiidivision 2 example problem manual ptb3 20. Cosponsors of the b16 committee were the american society of mechanical engineers asme, the heating and piping contractors. No reproduction may be made of this material without written consent of asme. Test duration can be as per api598 iso 5208 or api6d iso 143 title. However, where such components were installed under the pressuretemperature ratings of an earlier edition of asme b16.
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