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Your present location:Products >> Products >> Forged Flange >> ANSI B16.47 FLANGE >> Series A Flange
  • Name: Series A Flange
  • No: JS008
  • Date: 2016-04-21
  • Views : 91

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Flange Dimensions & Approximate Masses

 

ANSI B16.47 SERIES A CLASS 150 FLANGES DIMENSIONS TABLE
Nom Size OD Thickness OD of RF Dia at Base Bore LTH Dia Bevel Drilling Weight
Weld
Neck
Blind Bolt Circle Bolt Length HoleDia No. of Holes Weld Neck Blind
  O C C R X B Y A   (1) (2)      
26 34.25 2.63 2.63 29.5 26.62 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 4.69 26 31.75 8.75 1.38 24 300 702
28 36.5 2.75 2.75 31.5 28.62 4.88 28 34 9 1.38 28 345 833
30 38.75 2.88 2.88 33.75 30.75 5.32 30 36 9.25 1.38 28 400 982
32 41.75 3.13 3.13 36 32.75 5.63 32 38.5 10.5 1.62 28 505 1237
34 43.75 3.19 3.19 38 34.75 5.82 34 40.5 10.5 1.62 32 540 1384
36 46 3.5 3.5 40.25 36.75 6.13 36 42.75 11 1.62 32 640 1676
38 48.75 3.38 3.38 42.25 39 6.13 38 45.25 11 1.62 32 720 1819
40 50.75 3.5 3.5 44.25 41 6.38 40 47.25 11 1.62 36 775 2040
42 53 3.75 3.75 47 43 6.69 42 49.5 11.5 1.62 36 890 2381
44 55.25 3.94 3.94 49 45 6.94 44 51.75 12 1.62 40 990 2717
46 57.25 4 4 51 47.12 7.25 46 53.75 12 1.62 40 1060 2961
48 59.5 4.19 4.19 53.5 49.12 7.5 48 56 12.5 1.62 44 1185 3348
50 61.75 4.32 4.32 55.5 51.25 7.94 50 58.25 13.25 1.88 44 1270 3716
52 64 4.5 4.5 57.5 53.25 8.19 52 60.5 13.75 1.88 44 1410 4156
54 66.25 4.69 4.69 59.5 55.25 8.44 54 62.75 14 1.88 44 1585 4639
56 68.75 4.82 4.82 62 57.38 8.94 56 65 14.25 1.88 48 1760 5132
58 71 5 5 64 59.38 9.19 58 67.25 14.75 1.88 48 1915 5675
60 73 5.13 5.13 66 61.38 9.38 60 69.25 15 1.88 52 2045 6154

 

ANSI B16.47 SERIES A CLASS 300 FLANGES DIMENSIONS TABLE
Nom Size OD Thickness OD of  RF Dia at Base Bore LTH Drilling Weight
Weld Neck Blind Dia Bevel Bolt Circle Bolt Length Hole Dia  # of Holes Weld Neck Blind
  O C C R X B Y A   (1) (2)      
26 38.25 3.07 3.25 29.5 28.38 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 7.19 26 34.5 10.75 1.75 28 605 1078
28 40.75 3.32 3.5 31.5 30.5 7.69 28 37 11.25 1.75 28 745 1315
30 43 3.57 3.69 33.75 32.56 8.19 30 39.25 12 1.88 28 870 1543
32 45.25 3.82 3.88 36 34.69 8.69 32 41.5 12.5 2 28 1005 1795
34 47.5 3.94 4.07 38 36.88 9.07 34 43.5 13 2 28 1145 2068
36 50 4.07 4.32 40.25 39 9.44 36 46 13.5 2.12 32 1275 2436
38 46 4.19 4.19 40.5 39.12 7.06 38 43 12.5 1.62 32 695 2001
40 48.75 4.44 4.44 42.75 41.25 7.56 40 45.5 13.25 1.75 32 840 2380
42 50.75 4.63 4.63 44.75 43.25 7.82 42 47.5 13.75 1.75 32 950 2688
44 53.25 4.82 4.82 47 45.25 8.06 44 49.75 14.25 1.88 32 1055 3079
46 55.75 5 5 49 47.38 8.44 46 52 15 2 28 1235 3499
48 57.75 5.19 5.19 51.25 49.38 8.75 48 54 15.25 2 32 1380 3896
50 60.25 5.44 5.44 53.5 51.38 9.07 50 56.25 16 2.12 32 1530 4442
52 62.25 5.63 5.63 55.5 53.38 9.32 52 58.25 16.5 2.12 32 1660 4906
54 65.25 5.94 5.94 57.75 55.5 9.88 54 61 17.5 2.38 28 2050 5684
56 67.25 6 6 59.75 57.62 10.19 56 63 17.75 2.38 28 2155 6098
58 69.25 6.19 6.19 62 59.62 10.44 58 65 18 2.38 32 2270 6669
60 71.25 6.38 6.38 64 61.62 10.69 60 67 18.5 2.38 32 2470 7274

 

ANSI B16.47 SERIES A CLASS 400 FLANGES DIMENSIONS TABLE
Nom Size OD Thickness OD of RF Dia at Base Bore LTH Drilling Weight
Weld Neck Blind Dia Bevel Bolt Circle Bolt Length HoleDia  # of Holes Weld Neck Blind
  O C C R X Y A   1 2      
26 38.25 3.5 3.88 29.5 28.62 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 7.62 26 34.5 12.5 1.88 28 650 1263
28 40.75 3.75 4.12 31.5 30.81 8.12 28 37 13.25 2 28 785 1522
30 43 4 4.38 33.75 32.94 8.62 30 39.25 14 2.12 28 905 1802
32 45.25 4.25 4.56 36 35 9.12 32 41.5 14.25 2.12 28 1065 2077
34 47.5 4.38 4.81 38 37.19 9.5 34 43.5 14.75 2.12 28 1200 2415
36 50 4.5 5.06 40.25 39.38 9.88 36 46 15 2.12 32 1340 2815
38 47.5 4.88 4.88 40.75 39.5 8.12 38 44 14.75 1.88 32 935 2450
40 50 5.12 5.12 43 41.5 8.5 40 46.25 15.5 2 32 1090 2848
42 52 5.25 5.25 45 43.62 8.81 42 48.25 15.75 2 32 1190 3159
44 54.5 5.5 5.5 47.25 45.62 9.18 44 50.5 16.5 2.12 32 1375 3635
46 56.75 5.75 5.75 49.5 47.75 9.62 46 52.75 17 2.12 36 1525 4120
48 59.5 6 6 51.5 49.88 10.12 48 55.25 18 2.38 28 1790 4726
50 61.75 6.19 6.25 53.62 52 10.56 50 57.5 18.5 2.38 32 1950 5303
52 63.75 6.38 6.44 55.62 54 10.88 52 59.5 18.75 2.38 32 2125 5823
54 67 6.69 6.75 57.88 56.12 11.38 54 62.25 20 2.62 28 2565 6742
56 69 6.88 6.94 60.12 58.25 11.75 56 64.25 20.25 2.62 32 2710 7352
58 71 7 7.12 62.12 60.25 12.06 58 66.25 20.5 2.62 32 3230 7986
60 74.25 7.31 7.44 64.38 62.38 12.56 60 69 21.75 2.88 32 3820 9126

 

ANSI B16.47 SERIES A CLASS 600 FLANGES DIMENSIONS TABLE
Nom Size OD Thickness OD of RF Dia at Base Bore LTH Dia Bevel Drilling Weights
Weld Neck Blind Bolt Circle Bolt Length HoleDia  # of Holes Weld Neck Blind
  O C C R X Y A   -1 -2      
26 40 4.25 4.94 29.5 29.44 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 8.75 26 36 14.5 2 28 940 1759
28 42.25 4.38 5.19 31.5 31.62 9.25 28 38 15 2.12 28 1060 2061
30 44.5 4.5 5.5 33.75 33.94 9.75 30 40.25 15.5 2.12 28 1210 2423
32 47 4.62 5.81 36 36.12 10.25 32 42.5 16.5 2.38 28 1375 2856
34 49 4.75 6.06 38 38.31 10.62 34 44.5 16.75 2.38 28 1540 3237
36 51.75 4.88 6.38 40.25 40.62 11.12 36 47 17.75 2.62 28 1705 3802
38 50 6 6.12 41.5 40.25 10 38 45.75 18.25 2.38 28 1470 3404
40 52 6.25 6.38 43.75 42.25 10.38 40 47.75 18.75 2.38 32 1630 3838
42 55.25 6.62 6.75 46 44.38 11 42 50.5 19.75 2.62 28 2030 4585
44 57.25 6.81 7 48.25 46.5 11.38 44 52.5 20.25 2.62 32 2160 5105
46 59.5 7.06 7.31 50.25 48.62 11.81 46 54.75 20.75 2.62 32 2410 5758
48 62.75 7.44 7.69 52.5 50.75 12.44 48 57.5 22.25 2.88 32 2855 6737
50 65.75 7.75 8 54.5 52.88 12.94 50 60 23.25 3.12 28 3330 7695
52 67.75 8 8.25 56.5 54.88 13.25 52 62 23.75 3.12 32 3560 8426
54 70 8.25 8.56 58.75 57 13.75 54 64.25 24.25 3.12 32 3920 9333
56 73 8.56 8.88 60.75 59.12 14.25 56 66.75 25.5 3.38 32 4280 10529
58 75 8.75 9.12 63 61.12 14.56 58 68.75 26 3.38 32 4640 11414
60 78.5 9.19 9.56 65.25 63.38 15.31 60 71.75 27.25 3.62 28 5000 13108

 

ANSI B16.47 SERIES A CLASS 900 FLANGES DIMENSIONS TABLE
Nom Size
OD
Thickness
OD of RF
Dia at Base
Bore
LTH
Dia Bevel
Drilling
Weight
Weld Neck
Blind
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.