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ASME B16.47 Class 400 Series A Welding Neck Flanges Dimension

ASME B16.47 Class 400 Series A Welding Neck Flanges Dimensional Table

ASME B16.47 Class 400 Series A Welding Neck Flanges Dimensional Table

Get Complete details of Series A Flange

Thk Drilling Weight
Sizes Blind O.D. Weld Neck Diameter at Base OD of RF Bore LTH Length of Bolt Diameter Bevel Bolt Circle # of Holes HoleDia  WN Blind
C O C X R Y 1 A 2
26 3.88 38.25 3.5 28.62 29.5 As per Client 7.62 12.5 26 34.5 28 1.88 650 1263
28 4.12 40.75 3.75 30.81 31.5 8.12 13.25 28 37 28 2 785 1522
30 4.38 43 4 32.94 33.75 8.62 14 30 39.25 28 2.12 905 1802
32 4.56 45.25 4.25 35 36 9.12 14.25 32 41.5 28 2.12 1065 2077
34 4.81 47.5 4.38 37.19 38 9.5 14.75 34 43.5 28 2.12 1200 2415
36 5.06 50 4.5 39.38 40.25 9.88 15 36 46 32 2.12 1340 2815
38 4.88 47.5 4.88 39.5 40.75 8.12 14.75 38 44 32 1.88 935 2450
40 5.12 50 5.12 41.5 43 8.5 15.5 40 46.25 32 2 1090 2848
42 5.25 52 5.25 43.62 45 8.81 15.75 42 48.25 32 2 1190 3159
44 5.5 54.5 5.5 45.62 47.25 9.18 16.5 44 50.5 32 2.12 1375 3635
46 5.75 56.75 5.75 47.75 49.5 9.62 17 46 52.75 36 2.12 1525 4120
48 6 59.5 6 49.88 51.5 10.12 18 48 55.25 28 2.38 1790 4726
50 6.25 61.75 6.19 52 53.62 10.56 18.5 50 57.5 32 2.38 1950 5303
52 6.44 63.75 6.38 54 55.62 10.88 18.75 52 59.5 32 2.38 2125 5823
54 6.75 67 6.69 56.12 57.88 11.38 20 54 62.25 28 2.62 2565 6742
56 6.94 69 6.88 58.25 60.12 11.75 20.25 56 64.25 32 2.62 2710 7352
58 7.12 71 7 60.25 62.12 12.06 20.5 58 66.25 32 2.62 3230 7986
60 7.44 74.25 7.31 62.38 64.38 12.56 21.75 60 69 32 2.88 3820 9126

ASME B16.47 Class 400 Series A Welding Neck Flanges Dimension Industries and Applications
Widely used in the industries

  • Pumps, Valves, and vessels in manufacturing and food processing.
  • Pipe connections in industrial waterworks.
  • Heat exchangers and heating systems of all sizes.
  • Mining support.
  • Nuclear power systems.
  • Plumbing and mechanical systems.
  • Assemblies in the oil, gas, and petrochemical industries.
  • Fire protection systems.

ASME B16.47 Class 400 Series A Welding Neck Flanges Dimension Supply and Export Network
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