Standard pipe dimensions nps od inches schedule designations ansiasme wall thickness inches inside diameter inches weight lbs. No reproduction may be made of this material without written consent of asme. M015 asme codes and standards asme is the leading international developer of. Flange drillings in en10921 are generally the same as bs4504 and din 2501 but en10921 covers a wider range. Pipe flanges and flanged fittings a105 weld neck flange. Except for diameter of bolts and flange bolt holes, combining values from the two systems constitutes.
Grey cast iron copper alloy cast and forged steel pn 6 120 90 4 m12 14 70 2 16. October 23, the standard was published as ansi b16. As an alternative, inquiries may be submitted via email to. Asme b16 5 20 pipe flanges and flanged fittings nps 1 2 through nps 24 metric inch standard. The design of a flange involves the selection of the gasket material, type, and dimensions, flange facing, bolting, hub proportions, flange width, and flange thickness. All component body dimensions remain in inch units. Wrought and forged fittings tandards for engineers worldwide asme b16. These flanges will be furnished with a 116 raised face unless otherwise specified. Secretary b16, the american society of mechanical engineers, three park avenue, new york, ny 100165990. Diameter of diameter of bolt nps flange of bolts bolt holes circle inches inches bolts inches inches. Grey cast iron copper alloy cast and forged steel pn 6 100 75 4 m10 11 60 2 14 pn 10 115 85 4 m12 14 68 2 16 pn 16 115 85 4 m12 14 68 2 16 8 18 pn 25 115 85 4 m12 14 68 2 18 9 18. Jan 17, 2014 in general, relatively larger tightening torque is required for a flat face flange with a full face gasket compared to the flange with a ring gasket when we calculate the required tightening torque based on the latest nonmandatory japanese industrial standard jis evaluation method, jis b 22051991, basis for calculation of pipe flanges1. Flange dimension tolerances, dimension table, asme b16.
Oct 20, 2018 look up flange in wiktionary, the free dictionary. Bolted flange design according to asme section viii division 1. This standard covers pressuretemperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flange and flanged fittings. Standard pipe dimensions nps od inches schedule designations ansi asme wall thickness inches inside diameter inches weight. Mss sp44 also covers nps 12 to nps 24 flanges which are equivalent to asme b16. Documents sold on the ansi standards store are in electronic adobe acrobat pdf format, however some iso and iec standards are available from amazon in hard copy format. Asme ansi flange sizes petersen does not sell pipe or asme. Flange dimensions shall be such that the stresses in the flange, calculated in accordance with 27, do.
All dimensions are in inches these flanges will be furnished with a 116 raised face unless otherwise specified. To order a reducing flange, state the smaller size first, then the outside diameter of the larger size. Bolt length dimensions incorporate the height of the raised face. Asme is a notforprofit membership organization that.
Asme, the american society of mechanical engineers, will be the essential resource for mechanical engineers and other technical professionals throughout the world for solutions that benefit humankind. The mm values are rounded off to the nearest 0 or 5 in the asme standard. Dimensions for class 300 flanges the following charts are for. Mss sp44 is the only source for the nps 22 flange dimensions above. It is one of the related codes referenced in api 570 and api 574 and so forms an important but not particularly large part of the api 570 examination syllabus. A pair of flanges which are bolted together and whichare nominally identical with respect to shape, dimensions, physical properties, and allowable stresses except that one flange of the pair may contain a. Periodically, certain actions of the asme rtp committee may be published as cases. Cadgroup can also provide addon content that complements this catalogue. Flange dimensions are determined by the pipe size and the pressure class required for the application. Flange dimensions en10921 introduction british metric standard bs4504 is now obsolete and replaced by en10921 edition 092008 for steel flanges which also incorporates din standard. Class 150 flanges nps 12 to 24 welding neck traceparts. Flange drilling, outside diameter, thickness, and facing are the same as those of the standard flange of the size from which the reduction is being made.
Asme pipes and fittings catalog metric 2020 autocad. Thus, a comparison is done only for this sealing surfaces. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Pdf asme b16 5 20 pipe flanges and flanged fittings. 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. Carbon steel pipe flanges dimensions and weights atlas steels. The american society of mechanical engineers three park avenue, new york, ny 100165990. Nominal pipe size outside diameter o thickness t raised face diameter r length thru hub y hub diameter x bore b number of holes diameter of holes bolt circle c approximate weight lbs 12 3.
Flange dimensions shall be such that the stresses in the flange, calculated in accordance with 27, do not exceed the allowable flange stres. Dimensions in inches of weld neck flanges and stud bolts asme b. A complete set of asme fittings, flanges and olets with metric descriptors and weight data for each of the following schedules and ratings. The length of useful thread b plus threads with fully formed roots and flat crests shall not be less than l2 effective length of external thread required by american national standard for pipe threads ansiasme b1. Group 1 flange assembly identical flange pairs general notes. Standard bore will be furnished unless otherwise specified. Available for solidworks, inventor, creo, catia, solid edge, autocad, revit and many more cad software but also as step, stl, iges, stl, dwg, dxf and more neutral cad formats. A flange is an external or wnrf flange dimensions ridgeor rim lipfor strengthas the flange of an iron wnrf flange dimensions such as an ibeam or a tbeam. Due to the change of the designation of the sealing surface. Flange thickness, flange thickness1 and flange thickness2 remain in inch units. Read the standard focus on the foreword which in the 2009 edition is on pages vi thru viii. Download class 150 flanges nps 12 to 24 welding neck. Nov 12, 2017 flange bolting dimensional recommendations. Flange dimensions shall be such that the stresses in the flange, calculated in accordance with 27, do not exceed the allowable stresses specified in 28.
Flanges are standardized according publications from organizations like asme, mss, api and others. Reinforced thermoset plastic corrosionresistant equipment. Flange table ansi bs 10 nominal size 25mm 1 in bs 4504 diameter of flange bolt circle number number of bolts diameter of bolts diameter of holes diameter of raised face height of raised face thickness of flange. Asme procedures and policies, which precludes the issuance of interpretations by individuals. Asme issues written replies to inquiries concerning interpretations of technical aspects of this standard. Ansi 150 lb acero al carbono 154 24050 zanica bg italy via g. Download this section typical facings for steel pipe flangesdimensions typical facings for steel pipe flangesdrawings facing dimensions for ring joints class 1502500 ring joint dimensionsansi b16. Reducing flanges are available in all types and pressures. Browse asme flanges in the coastal flange catalog including asme b16.
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