ANSI B16.47 Series A Class 900 Flanges
Class A 400, 600 & 900 Weld Neck Flange Class A 400, 600 & 900 Blind Flange
Series A 900 Weld Neck Flange
Series A 900 Blind Flange

 

B16.47 Series A Class 900 Weld Neck & Blind
                                    Weld Neck           Blind
Nom Size   Thickness       Weight
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 B  Y A   (1) (2)      
26 42.75 5.50 6.31 29.50 30.50 Texas Flange Flanges 11.25 26.00 37.50 18.75 2.88 20 1525 2566
28 46.00 5.62 6.75 31.50 32.75 11.75 28.00 40.25 19.75 3.12 20 1810 3178
30 48.50 5.88 7.18 33.75 35.00 12.25 30.00 42.75 20.50 3.12 20 2120 3758
32 51.75 6.25 7.62 36.00 37.25 13.00 32.00 45.50 22.00 3.38 20 2545 4541
34 55.00 6.50 8.06 38.00 39.62 13.75 34.00 48.25 23.00 3.62 20 2970 5425
36 57.50 6.75 8.44 40.25 41.88 14.25 36.00 50.75 23.75 3.62 20 3395 6209
38 57.50 7.50 8.50 43.25 42.25 13.88 38.00 50.75 24.50 3.62 20 3385 6253
40 59.50 7.75 8.81 45.75 44.38 14.31 40.00 52.75 25.00 3.62 24 3620 6940
42 61.50 8.12 9.12 47.75 46.31 14.62 42.00 54.75 25.75 3.62 24 3960 7675
44 64.88 8.44 9.56 50.00 48.62 15.38 44.00 57.62 27.00 3.88 24 4300 8954
46 68.25 8.88 10.06 52.50 50.88 16.18 46.00 60.50 28.50 4.12 24 4640 10426
48 70.25 9.19 10.38 54.50 52.88 16.50 48.00 62.50 29.00 4.12 24 4980 11398
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 900 Flange PDF (for printing).