Weights are based on manufacturers data and are approximate. Weld neck flange dimensions class 150 to class 2500. The american society of mechanical engineers an american national standard forged fittings socketwedin and threaded asme b16. Mss sp44 also covers nps 12 to nps 24 flanges which are equivalent to asme b16. The products, technical drawing and dimensions of asme b16. Experience in using the standard showed the need for hub dimensions of companion flanges and for other changes, including rerating of 250lb and 1,350lb flanges and development of. Wealson is the manufacturer of high quality, high value sealing products. Cosponsors of the b16 committee were asme, the heating and piping contractors national association now mechanical contractors.
B16 case 4 1 cases of the b16 valve, flanges, fittings and gaskets standards approval date. Carbon steel flange, pipe flange, jinan hyupshin flanges co. Forged fittings, socketwelding and threaded, incorporated forging material listed in table 1 of asme b16. Following approval by the standards committee and asme, this revision to the 1991 edition of. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. Butt welding fittings en 10253 stainless and carbon steel. 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. Pipe size 2000 3000 6000 2000 3000 6000 2000 3000 6000 2000 3000 6000 b l2 6 18 21 21 25 17 17 19 22 22 25 3. This standard covers cast classes 125 and 250 copper alloy threaded pipe fittings with provisions for substituting wrought copper alloys for plugs, bushings, caps, and couplings in small sizes. As an alternative, inquiries may be submitted via email to. Other clarifying and editorial revisions were made in order to improve the text.
About us we believe everything in the internet must be free. Inward buckling of spiral wound gaskets has been identified as a potential problem. Dimensions of spiral wound gaskets class 150, asme b16. Guide specification for copper and copper alloy building. Astm b62 msi cast bronze pipe fittings meet the following specifications. Specifications we deliver according to the following standards.
Secretary b16, the american society of mechanical engineers, three park avenue, new york, ny 100165990. Forged flanges en 10921 and collars stainless and carbon steel. Anvil class 150300 malleable iron fittings conform to asme b16. Many years ago there was, as an example, a ansi b16. Isotc 153 valves b16 isotc 5 ferrous metal pipes and metallic fittings b16. Din flange, en10921 flange, iso9624 flange, uni flange, bs4504 flange, nfe29203 flange, ansi b16.
Cast copper alloy threaded fittings classes 125 and 250. Of thru hole drilling template length through hub flange thk. May 27, 2016 cases will remain available for use until annulled by the applicable standards committee b16 case 4 cr stainless steel asme b16. There are also other standards which have changed to asme and are still being missquoted in.
Click here to purchase the full version from the ansi store. 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. Fittings wrot copper insert fittings shall be manufactured per mss. Copyright american society of mechanical engineers. Join our community just now to flow with the file asme b16. B16 subcommittee n steel valves and facetoface and endtoend dimensions of valves. Read the standard focus on the foreword which in the 2009 edition is on pages vi thru viii. Mss sp44 is the only source for the nps 22 flange dimensions above. American society of mechanical engineers american national standards institute. Pipe flanges and flanged fittings abangah sanaat baran.
By order of the executive director office of the federal register washington, d. Dimensions material galvanizing thread pressure rating federalother class 150pn 20 asme b16. Weld neck flange dimensions are covered in asme b16. Technical data handbook for butt weld pipe fittings. Dimensions for short pattern lap joints were also added. Wealson provide a comprehensive range of nonmetallic, semimetallic gaskets, metal gasket, sheet gasket materials to wide range of oil and gas, industrial, pulp and paper and automotive customers as the standard of asme, jis, jpi, ansi, din, iso, en, bs and etc. Weld flange joining with the 8 12 press, it allows weldbend to produce a large range of exceptional to the exacting standards of asme b16.
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