ASME B16.47 vary from nominal pipe sizes 26 inches to 60 inches. Large Diameter Flanges is a type which has a blind end. This is usually used in fluid flow systems where the pipe has to be closed. ASME B16.47 Series A Flange can differ according to the material composition but they are usually heavier than the ASME B16.47 Series B Flanges.
deleted due to a lack of interest in using large size flanges in that pressuretemperature rating. The API-605 flanges for Class 150 and 300 and for sizes NPS 36 and smaller for classes higher than Class 300 are not compatible with the MSS SP-44 flanges. Thus, the MSS SP-44 flanges are Large Size Flanges|Stainless Steel Large Size Flanges 904L Large Size Flanges Alloy Steel Large Size Flanges AS Large Size Flanges ASTM A182 - Large Size Flanges F5 Large Size Flanges F9 Large Size Flanges F11 Large Size Flanges F12 Large Size Flanges F21 Large Size Flanges F22 Large Size Flanges F91 Large Size Flanges
The large diameter flanges are used to connect or to block off two very large diameters sized pipes. We stock large diameter (18 42) SLIP-ON, Lap Joint, Weld Neck, and Blind Flanges in SA105N, in class 150 and 300, and can also source a variety of sizes and
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