Access asme standards from any browser on your computer, tablet or smart phone. Factorymade, wrought steel, buttwelding induction bends. This standard for classes 25, 125, and 250 cast iron pipe flanges and flanged fittings. J0171t, j0171t, j0171t, j0171t, j0171t, j0171t document history. It includes a pressuretemperature ratings, b sizes and. In 1996, metric dimensions were added as an independent but equal standard to the inch units. The standard includes specifications of nps 12 to nps 48 dn15dn1200 factorymade wrought butt welded pipe fittings overall dimensions, tolerances ratings, test methods and markings. Dimensions material galvanizing thread pressure rating federalother class 150pn 20 asme b16. Asme accepts responsibility for only those interpretations of this document issued in accordance with the established. As an alternative, inquiries may be submitted via email to. The american society of mechanical engineers an american national standard forged fittings socketwedin and threaded asme b16. Asme issues written replies to inquiries concerning interpretations of technical aspects. Including elbow, tee, cross, cap, reducer, and etc. Lanl engineering standards manual pd342 chapter 17 pressure safety section d20b31.
In 1982, american national standards committee b16 became the asme b16 standards committee, operating with he same scope under asme procedures accredited by ansi. B16 standardization of valves, flanges, fittings, and gaskets. Marcel piping exhibits consistency in quality during the production of asme b16. Anvil class 150300 malleable iron fittings conform to asme b16. As soon as the transaction is completed, your asme standards subscription will be ready for access. Copyright american society of mechanical engineers. Fabrication and installation 41 flange joint target torque for 50 ksi 345 mpa bolt stress. Pipe flanges and flanged fittings abangah sanaat baran. Asme publishes cases and interpretations that supplement our standards and codes. B16 subcommittee j is responsible for the development and maintenance of the following standards. Carbon steel lateral tee is the type of pipe fittings which has some excellent features like the corrosion resistance is amazing, durability is perfect, easy to install and also the dimensions and grades vary. Asme procedures and policies, which precludes the issuance of interpretations by individuals.
Malleable iron threaded pipe unions american society of. B16 standards valves, flanges, fittings, and gaskets. Mss sp44 also covers nps 12 to nps 24 flanges which are equivalent to asme b16. Weld neck, slipon, socket weld, threaded, lap joint, blind. The quality control system requirements of asme bpvc, section i. 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 offers a continuously evolving portfolio of standards across a wide range of topics, including pressure technology, power plants, elevators, construction equipment, piping, nuclear components, and many more. Fabrication and installation becht engineering company, inc. The american society of mechanical engineers three park avenue, new york, ny 100165990. Nps 12 through nps 24 metricinch standard covers pressuretemperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flanges and flanged fittings. This standard for classes 25, 125, 250 cast iron pipe flanges and flanged fittings covers. Part 1 of the code of regulations 51 the attached document has been duly.
This standard covers pressuretemperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flange and flanged fittings. For pn ratings under iso 75001 1 as4331 the pressuretemperature ratings are proportionately extrapolated, refer to iso 75001 1. The asme b16 standardization of valves flanges, fittings and gaskets committee, which operates under asmes board on pressure technology codes and standards is responsible for standards covering valves, flanges, pipe fittings, gaskets and valve actuators for use in pressure services. Mss sp44 is the only source for the nps 22 flange dimensions above.
B16 subcommittee c is responsible for the development and maintenance of the following standards. Refer to actual asme chart for valve selection, this chart updated as of 2012 is a general guide only. Click here for immediate access to a digital book that covers asme b16. Secretary b16, the american society of mechanical engineers, three park avenue, new york, ny 100165990.
This standard covers overall dimensions, tolerances, ratings, testing, and markings for wrought factorymade buttwelding fittings in sizes nps 12 through 48 dn 15 through 1200. The asme american society of mechanical engineers asmeansi b16 standards covers pipes and fittings in cast iron, cast bronze, wrought copper and steel. Guide specification for copper and copper alloy building. Forged socket weld cross are the fittings are the ones that make a 90 branch from the main run of the pipe. Is suitable for all ordinar y service con ditions this is a continuou s spiral. Some of these standards provide established pressuretemperature ratings for components e. Following approval by the standards committee and asme, this revision to the 1991 edition of. These systems of units are to be regarded separately as standard. Manual for determining the remaining strength of corroded pipelines. All research on this web site is the property of leslie beck nutrition consulting inc. Becoming an asme member joining asme is the most important connection a current or future mechanical engineer can make. B16 standardization of valves, flanges, fittings, and. The asme american society of mechanical engineers asmeansi b16 standards covers pipes and fittings in cast iron, cast bronze, wrought copper and steel asmeansi b16. The components may be used in piping systems within the specified ratings without additional analysis.
December 2015 gray iron pipe flanges and flanged fittings. These gaskets are dimensionally suitable for use with flanges described in the referenced flange standards. Wp 304304l, wp 316316l e astm a105 certificati en 102043. Forged steel fittings forged steel fittings named by their manufacturing processes forging, which to heat the carbon or alloy steel in a transforming temperature and modes the heated parts into the desired shape. The guide ring accurately centers the gasket on the flange face, provides additional radial support to prevent gasket blowout and acts as a compression stop. Buttweld fittings dimensions, dimensional tolerances are defined in the asme b16. It addresses gaskets that are dimensionally suitable for use with flanges described in reference flange standards asme b16. A further revision of the standard, approved and published as ansvasme b16.