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ASME B16.5 Flanges
 Dimensional Tolerances
 Dimensions of Welding Ends
 Dimensions of Ring Joint Facings
 Welding Neck Flanges
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ASME B16.36 Orifice Flanges
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ASME B16.47 Large Diameter Flanges
Dimensional Tolerances
Dimensions of Welding Ends
Dimensions of Ring Joint Facings
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ASME B16.5 - Dimensions Ring Joint Facings




PIPE SIZES: 1/2" - 2 1/2"
  150 lb/sq 300 lb/sq 400 lb/sq 900 lb/sq 2500 lb/sq Pitch Depth Width Radius 150 lb/sq 300-600 1500 lb/sq 2500 lb/sq
in mm
  1/2 1/2     1.344
34.138
0.219
5.563
0.281
7.137
0.03
0.76
  2.00
50.80
   
in mm
      1/2   1.562
39.675
0.250
6.350
0.344
8.738
0.03
0.76
    2.38
60.45
 
in mm
  3/4 3/4   1/2 1.688
42.875
0.250
6.350
0.344
8.738
0.03
0.76
  2.50
63.50
  2.56
65.02
in mm
      3/4   1.750
44.450
0.250
6.350
0.344
8.738
0.03
0.76
    2.62
66.55
 
in mm
1         1.875
47.625
0.250
6.350
0.344
8.738
0.03
0.76
2.50
63.50
     
in mm
  1 1 1   2.000
50.800
0.250
6.350
0.344
8.738
0.03
0.76
  2.75
69.85
2.81
71.37
2.88
73.15
in mm
1 1/4         2.250
57.150
0.250
6.350
0.344
8.738
0.03
0.76
2.88
73.15
     
in mm
  1 1/4 1 1/4 1 1/4   2.375
60.325
0.250
6.350
0.344
8.738
0.03
0.76
  3.12
79.25
3.19
81.03
3.25
82.55
in mm
1 1/2         2.562
65.075
0.250
6.350
0.344
8.738
0.03
0.76
3.25
82.55
     
in mm
  1 1/2 1 1/2 1 1/2   2.688
68.275
0.250
6.350
0.344
8.738
0.03
0.76
  3.56
90.42
3.62
91.95
 
in mm
        1 1/4 2.844
72.238
0.312
7.925
0.469
11.913
0.03
0.76
      4.00
101.60
in mm
2         3.250
82.550
0.250
6.350
0.344
8.738
0.03
0.76
4.00
101.60
     
in mm
  2 2   1 1/2 3.250
82.550
0.312
7.925
0.469
11.913
0.03
0.76
  4.25
107.95
  4.50
114.30
in mm
      2   3.750
95.250
0.312
7.925
0.469
11.913
0.03
0.76
    4.88
123.95
 
in mm
2 1/2         4.000
101.600
0.250
6.350
0.344
8.738
0.03
0.76
4.75
120.65
     
in mm
  2 1/2 2 1/2   2 4.000
101.600
0.312
7.925
0.469
11.913
0.03
0.76
  5.00
127.00
  5.25
133.35
in mm
      2 1/2   4.250
107.950
0.312
7.925
0.469
11.913
0.03
0.76
    5.38
136.65
 
in mm
        2 1/2 4.375
111.125
0.375
9.525
0.531
13.487
0.06
1.52
      5.88
149.35

Disclaimer: These dimensions are provided for reference material only.

© Federal Flange, Inc. 2007
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