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ANSI B16.47 Series A Class 400 Flanges

ANSI B16.47 Series A Class 400 Flanges

ANSI B16.47 Series A Class 400 Flanges

Series A 400, 600 & 900 Weld Neck Flange Series A 400, 600 & 900 Blind Flange
Series A 400 Weld Neck Flange
Series A 400 Blind Flange

 

B16.47 Series A Class 400 Weld Neck & Blind
  Weld Neck        
                             
Nom Size   Thickness           Drilling Weight
OD Weld Neck Blind OD of RF Dia at Base Bore LTH Dia Bevel Bolt Circle Bolt Length HoleDia  # of Holes Weld Neck Blind
O C C R X Y A   (1) (2)      
26 38.25 3.50 3.88 29.50 28.62 Texas Flange Flanges 7.62 26.00 34.50 12.50 1.88 28 650 1263
28 40.75 3.75 4.12 31.50 30.81 8.12 28.00 37.00 13.25 2.00 28 785 1522
30 43.00 4.00 4.38 33.75 32.94 8.62 30.00 39.25 14.00 2.12 28 905 1802
32 45.25 4.25 4.56 36.00 35.00 9.12 32.00 41.50 14.25 2.12 28 1065 2077
34 47.50 4.38 4.81 38.00 37.19 9.50 34.00 43.50 14.75 2.12 28 1200 2415
36 50.00 4.50 5.06 40.25 39.38 9.88 36.00 46.00 15.00 2.12 32 1340 2815
38 47.50 4.88 4.88 40.75 39.50 8.12 38.00 44.00 14.75 1.88 32 935 2450
40 50.00 5.12 5.12 43.00 41.50 8.50 40.00 46.25 15.50 2.00 32 1090 2848
42 52.00 5.25 5.25 45.00 43.62 8.81 42.00 48.25 15.75 2.00 32 1190 3159
44 54.50 5.50 5.50 47.25 45.62 9.18 44.00 50.50 16.50 2.12 32 1375 3635
46 56.75 5.75 5.75 49.50 47.75 9.62 46.00 52.75 17.00 2.12 36 1525 4120
48 59.50 6.00 6.00 51.50 49.88 10.12 48.00 55.25 18.00 2.38 28 1790 4726
50 61.75 6.19 6.25 53.62 52.00 10.56 50.00 57.50 18.50 2.38 32 1950 5303
52 63.75 6.38 6.44 55.62 54.00 10.88 52.00 59.50 18.75 2.38 32 2125 5823
54 67.00 6.69 6.75 57.88 56.12 11.38 54.00 62.25 20.00 2.62 28 2565 6742
56 69.00 6.88 6.94 60.12 58.25 11.75 56.00 64.25 20.25 2.62 32 2710 7352
58 71.00 7.00 7.12 62.12 60.25 12.06 58.00 66.25 20.50 2.62 32 3230 7986
60 74.25 7.31 7.44 64.38 62.38 12.56 60.00 69.00 21.75 2.88 32 3820 9126
Dimensions are in inches.  Weights are in pounds.
                             
(1)Bolt lengths are calculated based on bolting one WN to one blind.  
(2)Bolt diameter should be 1/8" less than the bolt hole diameter.
 
Note:                          
Larger sizes as well as intermediate sizes can be furnished.ANSI B16.47 Series A Class 400 Flanges            

ANSI B16.47 Series A Class 400 Flange PDF (for printing).ANSI B16.47 Series A Class 400 Flanges