Ansi b16 5 flanges dimensions pdf

Flat face flanges may be provided at full thickness, c, or with raised face removed the latter is nonstandard. Pdf asme b16 5 20 pipe flanges and flanged fittings. Flanges are furnished faced, drilled and spot faced or back faced. In particular, although some materials, such as titanium and zirconium, are not specified by the standard, flanges made from them can still be fabricated conforming to asme b16. Carbon and stainless steel flanges asmeansi class 600 dimensions asmeansi b16. Reducing flanges are available in all types and pressures. Dimensions for class 300 flanges thermometrics corp. In pressure classes 400, 600, 900, 1500 and 2500, the height of raised face is approximately 6. In these two pressure classes, almost all suppliers of flanges, show in their catalog or brochure, the h and b dimensions including the raised face height. G mm wn blind sow sw nominal size class 150 flanges to asme b16.

Flanges are standardized according publications from organizations like asme, mss, api and others. Class 1503006001500 2500 din pn 6 welding necksliponblind flanges din pn 10 welding necksliponblind flanges din pn 16 welding necksliponblind flanges din pn 25 welding necksliponblind flanges din pn 40 welding necksliponblind flanges din pn 64. Threaded rf dimensions mm lap joint rf dimensions mm ansi b16. Dimensions weight kg dn nps flange od a mm length thru hub bolt drilling flange thickness d mm bore sow sw b mm raised face diam. Mss sp44 is the only source for the nps 22 flange dimensions above. C this dimension is commonly associated with true lap joints. Weights are based on manufacturers data and are approximate. Class 150 flanges except lap joint will be furnished with 0. Stock size range and specifications for reducing flanges. Mss sp44 also covers nps 12 to nps 24 flanges which are equivalent to asme b16. Standard bore will be furnished unless otherwise specified. Carbon steel pipe flanges dimensions and weights atlas steels.

Dimensions of size 12i through 3 12i are the same as for class 600 flanges. Coastal flange stocks import and domestic ansi b16. The resulting 1939 edition contained standards for welding neck flanges com pleted in march 1937, 1,500lb flanges in the 14in. To order a reducing flange, state the smaller size first, then the outside diameter of the larger size. Asme b16 5 20 pipe flanges and flanged fittings nps 1 2 through nps 24 metric inch standard. Flanges and bolt dimensions class 150 to 2500 asmeansi b16. Flange dimensions are determined by the pipe size and the pressure class required for the application.

Class 400 series a dimensions at nps 38 and larger also apply to class 400. The 150 lb flange dimensions metric is known to cover pipe flanges in addition to 3 150 lb flange dimensions fittings for size nps. Pdf asme b16 5 20 pipe flanges and flanged fittings nps 1. Each specification further delineates flanges into pressure classes. See page 85 for weld neck welding end dimension and tolerance data. For threaded flanges, tapped smaller than the reduced size. Dimensions in inches of weld neck flanges and stud bolts asme. Pipe flanges and flanged fittings standards for engineers worldwide asme b16. Carbon and stainless steel flanges asmeansi class 150. Flanges and bolt dimensions class 150 to 2500 asme ansi b16.

Texas flange provides the following series of individual pages in html and pdf format that contain flange dimensions of the standard flanges. Weld neck 10 150 lb flange dimensions are covered in asme b16. These flanges will be furnished with a 116 raised face unless otherwise specified. This standard covers pressuretemperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flange and flanged fittings. Carbon steel flanges mechanical properties and chemistry conform to astm a105.