As an alternative, inquiries may be submitted via email to. Dimensions of class 150 blind and spacer t weld 125 to 250 rms o weld o b t asme b16. View abstract product details document history asme b16. Large diameter steel flanges nps 26 through nps 60addenda a 10261998 asme b16. It addresses gaskets that are dimensionally suitable for use with flanges described in reference flange standards asme b16. Cast iron fittings for sovent drainage systems asme b16. October 20, 2011 the next edition of this standard is scheduled for publication in 2016. Testing of pipe flanges in sizes nps 26 through nps 60 is covered. Generally speaking, newer equipment almost always uses series a, but if you are connecting to a nozzle on older or existing equipment, get someone to.
Asme has incorporated the msssp44 specification into b16. To order a reducing flange, state the smaller size first, then the outside diameter of the larger size. That might lead the casual observer to think that the designs contained in those documents have been optimized and represent best in technology. Complete document large diameter steel flanges nps 26 through nps 60 metricinch standard.
You may note that these specs include only weld necks and blinds. Dimensions of spiral wound gaskets class 150, asme b16. Nps 26 through nps 60 metricinch standard has been added to your cart. With capabilities up to a 72 max outside diameter, kerkau can service a wide range of requests including asme b16. We tried to convince the inspector that the reference to ansi b 16. For piping related information, a unique standard b16. Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard.
This standard covers pressuretemperature ratings, materials, dimensions, tolerances, marking, and testing for pipe flanges in sizes nps 26. Mss sp44 also covers nps 12 to nps 24 flanges which are equivalent to asme b16. In 1982, american national standards committee b16 was reorganized as the american society of mechanical engineers asme b16 committee operating under procedures accredited by ansi. To order a reducing flange, state the smaller size first, then the.
The length of the stud bolt does not include the height of the chamfers points. Click any image above to enlarge it and lock it in place, then scroll to the bottom table for dimensions. Class 150 to class 900 the following section is in order by pressure class due to the overlapping dimensions of some standards. These specification include only welding neck and blind flanges.
Series b flange was also formerly known as api 605 flange. Asme b16 47 series b download now the architecture, engineering and construction aec industry is constantly looking for process improvements to better manage potential project delays and costs. Manually operated metallic gas valves for use in aboveground piping systems up to 5 psi asme b16. Secretary b16, the american society of mechanical engineers, three park avenue, new york, ny 100165990. Pox proposed revision of 2006 large diameter steel flanges nps 26 through nps 60 metricinch standard draft 56777 tentative. Reducing flanges are available in all types and pressures. Following approval by the standards committee and asme, approval as an american national standard was given by ansi on june 12, 1990.
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