Valves, facetoface and endtoend dimensions 7 2 class 250 cast iron flanged and class 300 steel flanged and buttwelding end valves, facetoface and endtoend dimensions 10. The american society of mechanical engineers three park avenue, new york, ny 100165990. Asme bpe the american society of mechanical engineers first published this standard in 1997 for bioprocessing equipment and it has since become a standard specification worldwide for the biotechnological and pharmaceutical industries. Asme code simplified mcgrawhill professional engineering ebook. 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. Bs4504 is now obsolete and replaced by en10921 edition 092008 for steel flanges which also incorporates din standard. Flange dimension charts for class 150, class 300, class 600, class 900, class 1500 and class 2500 free. 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. Flange dimensions shall be such that the stresses in the flange, calculated in accordance with 27, do not exceed the allowable flange stres. Download class 150 flanges nps 12 to 24 welding neck. Following approval by the standards committee and asme, this revision to the 1991 edition of. Reducing flanges are available in all types and pressures. Grey cast iron copper alloy cast and forged steel pn 6 120 90 4 m12 14 70 2 16. Asme sec viii div 1 flange stress calculation boiler and pressure vessel engineering engtips.
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. Can a valve flange have drilled and tapped bolt holes instead of through holes and still be considered an. The american society of mechanical engineers two park avenue, new york, ny 10016 5990. Flanges and bolt dimensions class 150 to 2500 asmeansi b16. Common dimensions bore length thru hub to be specified by purchaser. Sizes nps 12 through 312 are same as class 600 flanges.
Each specification further delineates flanges into pressure classes. Asme procedures and policies, which precludes the issuance of interpretations by individuals. Dimensions inches ansiasme 900 2500 lb flange size 900 lb 14 raised face 1500 lb 14 raised face 2500 lb 14 raised face. You may note that these specs include only weld necks and blinds. 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. Weld neck flange dimensions class 150 to class 2500. To order a reducing flange, state the smaller size first, then the outside diameter of the larger size. Carbon steel pipe flanges dimensions and weights atlas steels. Lanl engineering standards manual pd342 chapter 17 pressure safety section d20b31. Flange, t f 1 the minimum flange thickness does not include the raised face thickness asme b16. The american society of mechanical engineers two park avenue, new york, ny 100165990. The thickness of integral flanges such as on valves is the same as weld. Dimensions for all standard flange sizes material grades.
Mss sp44 is the only source for the nps 22 flange dimensions above. Class 150 to class 900 the following section is in order by pressure class due to the overlapping dimensions of some standards. C this dimension is commonly associated with true lap joints. Aarp health insurance plans pdf download medicare replacement pdf download aarp. They are not to be duplicated or used for other than question.
Asme sec viii div 1 flange stress calculation boiler and. Bolted flange design according to asme section viii division 1. For slipons over 24 you must refer to either industry standard which are not automatically covered by asme or boiler code flanges. We are nonprofit website to share and download documents. 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. Flange drilling, outside diameter, thickness, and facing are the same as those of the standard flange of the size. End flange facings and their relationship to flange thickness and.
In 1996, metric dimensions were added as an independent but equal standard to the inch units. To order a reducing flange, state the smaller size first, then the. B industry standard and awwa flanges weld neck, slipon, blind. Join our community just now to flow with the file asme b16. If you need help deciding which flange best suits your application feel free to contact us. Simply turn to the pressure class required and find the dimensional standard of your choice. Din flanges summary chart rated pressure in bar 1 bar 14. Asme is a notforprofit membership organization that. Cosponsors of the b16 committee were the american society of mechanical engineers asme, the heating and piping. These are commonly referred to by their pressure rating class.
Class 400 series a dimensions at nps 38 and larger also apply to class 400 series b. Flange dimensions are determined by the pipe size and the pressure class required for the application. Flange dimensions shall be such that the stresses in the flange, calculated in accordance with 27, do. Weld neck flange dimensions are covered in asme b16. Class 400 series a dimensions at nps 38 and larger also apply to class 400 series b flanges. Flange weights, dimensions and working pressures prochem. Mss sp44 also covers nps 12 to nps 24 flanges which are equivalent to asme b16. Experience in using the standard showed the need for hub dimensions of companion flanges. Flanges are standardized according publications from organizations like asme, mss, api and others. An investigation was made into the factors determining stiffness of flanges and flange hubs. This standard covers pressuretemperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flange and flanged fittings. Wide stockists of stainless steel flange class 300, we provide class 300 forged flange with instant delivery, view class 300 blind flange pressure rating. Our bpedirect products are in accordance with the current revision. Basic catalogue 2016 basics standards, sizes, grades din en asme.
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