標準號：ASME B16.47-2011
中文標準名稱：大直徑鋼法蘭:NPS 26～NPS 60公制/英制標準
英文標準名稱：Large Diameter Steel Flanges: NPS 26 through NPS 60 Metric/Inch Standard
標準類型：J15
發布日期：2011/1/1 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：J15
國際標準分類號：23.040.60
適用范圍：This Standard covers pressure-temperature ratings, materials, dimensions, tolerances, marking, and testing for pipe flanges in sizes NPS 26 through NPS 60. Included are flanges with rating class designations 75, 150, 300, 400, 600, and 900 with requirements given in both SI (Metric) and U.S. Customary units, with diameter of bolts and flange bolt holes expressed in inch units. This Standard is limited to (a) flanges made from cast or forged materials, (b) blind flanges made from cast, forged, or plate materials (see Tables 1 and 2). Also included in this Standard are requirements and recommendations regarding flange bolting, flange gaskets, and flange joints.