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ANSI B16.47 Series A Class 900 Flanges

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Series A 900 Weld Neck Flange Series A 900 Blind Flange  
     

Thickness Weight
Nom Size OD Weld Neck Blind OD of RF Dia at Base Bore LTH Dia Bevel Bolt Circle Bolt Length Hole Dia  # of Holes Weld Neck Blind
O C C R X Y A -1 -2
26 42.75 5.5 6.31 29.5 30.5 flanges, flange, industrial flanges, industrial flange, industrial pipe flanges, industrial fittings, industrial pipe, industrial carbon steel, industrial blind, industrial blinds, industrial, industrial waterworks, industrial stainless steel, industrial steel, industrial weld, industrial forgings, industrial orifice, industrial slip, industrial steel flange, industrial steel flanges, industrial titanium flange, industrial titanium flanges 11.25 26 37.5 18.75 2.88 20 1525 2566
28 46 5.62 6.75 31.5 32.75 11.75 28 40.25 19.75 3.12 20 1810 3178
30 48.5 5.88 7.18 33.75 35 12.25 30 42.75 20.5 3.12 20 2120 3758
32 51.75 6.25 7.62 36 37.25 13 32 45.5 22 3.38 20 2545 4541
34 55 6.5 8.06 38 39.62 13.75 34 48.25 23 3.62 20 2970 5425
36 57.5 6.75 8.44 40.25 41.88 14.25 36 50.75 23.75 3.62 20 3395 6209
38 57.5 7.5 8.5 43.25 42.25 13.88 38 50.75 24.5 3.62 20 3385 6253
40 59.5 7.75 8.81 45.75 44.38 14.31 40 52.75 25 3.62 24 3620 6940
42 61.5 8.12 9.12 47.75 46.31 14.62 42 54.75 25.75 3.62 24 3960 7675
44 64.88 8.44 9.56 50 48.62 15.38 44 57.62 27 3.88 24 4300 8954
46 68.25 8.88 10.06 52.5 50.88 16.18 46 60.5 28.5 4.12 24 4640 10426
48 70.25 9.19 10.38 54.5 52.88 16.5 48 62.5 29 4.12 24 4980 11398
Dimensions are in inches. Weights are in pounds.

(1)- Bolt lenghts 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 900 Flange PDF (for printing).