Steel Pipe Flanges for Waterworks Services

Steel Pipe Flanges for Waterworks Services according ANSI/AWWA C207-01

The standard ANSI/AWWA C207-01 Steel Pipe Flanges for Waterworks Services - covers slip-on flanges.

B-Ring Flanges - Pressure Rating 86 psi

Steel Pipe Flanges for Waterworks Services AWWA C207-94 Class B
Pipe Size
(inches)
Outside Diameter
(inches)
Inside Diameter
(Slip on Bore)
(inches)
Number of Bolt HolesBolt Hole Diameter
(inches)
Bolt Circle
(inches)
Thickness
(inches)
4 9 4.57 8 3/4 7-1/2 5/8
5 10 5.66 8 7/8 8-1/2 5/8
6 11 6.72 8 7/8 9-1/2 11/16
8 13-1/2 8.72 8 7/8 11-3/4 11/16
10 16 10.88 12 1 14-1/4 11/16
12 19 12.88 12 1 17 11/16
14 21 14.19 12 1-1/8 18-3/4 11/16
16 23-1/2 16.19 16 1-1/8 21-1/4 11/16
18 25 18.19 16 1-1/4 22-3/4 11/16
20 27-1/2 20.19 20 1-1/4 25 11/16
22 29-1/2 22.19 20 1-3/8 27-1/4 3/4
24 32 24.19 20 1-3/8 29-1/2 3/4
26 34-1/4 - 24 1-3/8 31-3/4 13/16
28 36-1/2 - 28 1-3/8 34 7/8
30 38-3/4 - 28 1-3/8 36 7/8
32 41-3/4 - 28 1-5/8 38-1/2 15/16
34 43-3/4 - 32 1-5/8 40-1/2 15/16
36 46 - 32 1-5/8 42-3/4 1
38 48-3/4 - 32 1-5/8 45-1/4 1
40 50-3/4 - 36 1-5/8 47-1/4 1
42 53 - 36 1-5/8 49-1/2 1-1/8
44 55-1/4 - 40 1-5/8 51-3/4 1-1/8
46 57-1/4 - 40 1-5/8 53-3/4 1-1/8
48 59-1/2 - 44 1-5/8 56 1-1/4
50 61-3/4 - 44 1-7/8 58-1/4 1-1/4
52 64 - 44 1-7/8 60-1/2 1-1/4
54 66-1/4 - 44 1-7/8 62-3/4 1-3/8
60 73 - 52 1-7/8 69-1/4 1-1/2
66 80 - 52 1-7/8 76 1-5/8
72 86-1/2 - 60 1-7/8 82-1/2 1-3/4
78 93 - 64 2-1/8 89 2
84 99-3/4 - 64 2-1/8 95-1/2 2
90 106-1/2 - 68 2-3/8 102 2-1/4
96 113-1/4 - 68 2-3/8 108-1/2 2-1/4
102 120 - 72 2-5/8 114-1/2 2-1/2
108 126-3/4 - 72 2-5/8 120-3/4 2-1/2
114 133-1/2 - 76 2-7/8 126-3/4 2-3/4
120 140-1/4 - 76 2-7/8 132-3/4 2-3/4
126 147 - 80 3-1/8 139-1/4 3
132 153-3/4 - 80 3-1/8 145-3/4 3
138 160-1/2 - 84 3-3/8 152 3-1/4
144 167-1/4 - 84 3-3/8 158-1/4 3-1/4
  • 1 in = 25.4 mm

D-Ring Flanges - Pressure Rating 175 - 150 psi

Steel Pipe Flanges for Waterworks Services AWWA C207-94 Class D
Pipe Size
(inches)
Outside Diameter
(inches)
Inside Diameter
(Slip on Bore)
(inches)
Number of Bolt HolesBolt Hole Diameter
(inches)
Bolt Circle
(inches)
Thickness
(inches)
4 9 4.57 8 3/4 7-1/2 5/8
5 10 5.66 8 7/8 8-1/2 5/8
6 11 6.72 8 7/8 9-1/2 11/16
8 13-1/2 8.72 8 7/8 11-3/4 11/16
10 16 10.88 12 1 14-1/4 11/16
12 19 12.88 12 1 17 13/16
14 21 14.19 12 1-1/8 18-3/4 15/16
16 23-1/2 16.19 16 1-1/8 21-1/4 1
18 25 18.19 16 1-1/4 22-3/4 1-1/16
20 27-1/2 20.19 20 1-1/4 25 1-1/8
22 29-1/2 22.19 20 1-3/8 27-1/4 1-3/16
24 32 24.19 20 1-3/8 29-1/2 1-1/4
26 34-1/4 - 24 1-3/8 31-3/4 1-5/16
28 36-1/2 - 28 1-3/8 34 1-5/16
30 38-3/4 - 28 1-3/8 36 1-3/8
32 41-3/4 - 28 1-5/8 38-1/2 1-1/2
34 43-3/4 - 32 1-5/8 40-1/2 1-1/2
36 46 - 32 1-5/8 42-3/4 1-5/8
38 48-3/4 - 32 1-5/8 45-1/4 1-5/8
40 50-3/4 - 36 1-5/8 47-1/4 1-5/8
42 53 - 36 1-5/8 49-1/2 1-3/4
44 55-1/4 - 40 1-5/8 51-3/4 1-3/4
46 57-1/4 - 40 1-5/8 53-3/4 1-3/4
48 59-1/2 - 44 1-5/8 56 1-7/8
50 61-3/4 - 44 1-7/8 58-1/4 2
52 64 - 44 1-7/8 60-1/2 2
54 66-1/4 - 44 1-7/8 62-3/4 2-1/8
60 73 - 52 1-7/8 69-1/4 2-1/4
66 80 - 52 1-7/8 76 2-1/2
72 86-1/2 - 60 1-7/8 82-1/2 2-5/8
78 93 - 64 2-1/8 89 2-3/4
84 99-3/4 - 64 2-1/8 95-1/2 2-7/8
90 106-1/2 - 68 2-3/8 102 3
96 113-1/4 - 68 2-3/8 108-1/2 3-1/4
102 120 - 72 2-5/8 114-1/2 3-1/4
108 126-3/4 - 72 2-5/8 120-3/4 3-3/8
114 133-1/2 - 76 2-7/8 126-3/4 3-1/2
120 140-1/4 - 76 2-7/8 132-3/4 3-1/2
126 147 - 80 3-1/8 139-1/4 3-3/4
132 153-3/4 - 80 3-1/8 145-3/4 3-7/8
138 160-1/2 - 84 3-3/8 152 4
144 167-1/4 - 84 3-3/8 158-1/4 4-1/8

E-Ring Flanges - Pressure Rating 275 psi

Steel Pipe Flanges for Waterworks Services AWWA C207-94 Class E
Pipe Size
(inches)
Outside Diameter
(inches)
Inside Diameter
(Slip on Bore)
(inches)
Number of Bolt HolesBolt Hole Diameter
(inches)
Bolt Circle
(inches)
Thickness
(inches)
4 9 4.57 8 3/4 7-1/2 1-1/8
5 10 5.66 8 7/8 8-1/2 1-3/16
6 11 6.72 8 7/8 9-1/2 1-5/16
8 13-1/2 8.72 8 7/8 11-3/4 1-1/2
10 16 10.88 12 1 14-1/4 1-9/16
12 19 12.88 12 1 17 1-3/4
14 21 14.19 12 1-1/8 18-3/4 1-7/8
16 23-1/2 16.19 16 1-1/8 21-1/4 2
18 25 18.19 16 1-1/4 22-3/4 2-1/8
20 27-1/2 20.19 20 1-1/4 25 2-3/8
22 29-1/2 22.19 20 1-3/8 27-1/4 2-1/2
24 32 24.19 20 1-3/8 29-1/2 2-5/8
26 34-1/4 - 24 1-3/8 31-3/4 2-3/4
28 36-1/2 - 28 1-3/8 34 2-3/4
30 38-3/4 - 28 1-3/8 36 2-7/8
32 41-3/4 - 28 1-5/8 38-1/2 3
34 43-3/4 - 32 1-5/8 40-1/2 3
36 46 - 32 1-5/8 42-3/4 3-1/8
38 48-3/4 - 32 1-5/8 45-1/4 3-1/8
40 50-3/4 - 36 1-5/8 47-1/4 3-1/4
42 53 - 36 1-5/8 49-1/2 3-3/8
44 55-1/4 - 40 1-5/8 51-3/4 3-3/8
46 57-1/4 - 40 1-5/8 53-3/4 3-7/16
48 59-1/2 - 44 1-5/8 56 3-1/2
50 61-3/4 - 44 1-7/8 58-1/4 3-1/2
52 64 - 44 1-7/8 60-1/2 3-5/8
54 66-1/4 - 44 1-7/8 62-3/4 3-3/4
60 73 - 52 1-7/8 69-1/4 3-7/8
66 80 - 52 1-7/8 76 4-1/4
72 86-1/2 - 60 1-7/8 82-1/2 4-3/8
78 93 - 64 2-1/8 89 4-3/4
84 99-3/4 - 64 2-1/8 95-1/2 4-3/4
90 106-1/2 - 68 2-3/8 102 5-1/8
96 113-1/4 - 68 2-3/8 108-1/2 5-1/8
102 120 - 72 2-5/8 114-1/2 5-1/2
108 126-3/4 - 72 2-5/8 120-3/4 5-1/2
114 133-1/2 - 76 2-7/8 126-3/4 5-7/8
120 140-1/4 - 76 2-7/8 132-3/4 5-7/8
126 147 - 80 3-1/8 139-1/4 6-1/4
132 153-3/4 - 80 3-1/8 145-3/4 6-1/4
138 160-1/2 - 84 3-3/8 152 6-3/4
144 167-1/4 - 84 3-3/8 158-1/4 6-3/4

F-Ring Flanges - Pressure Rating 300 psi

Steel Pipe Flanges for Waterworks Services AWWA C207-94 Class F
Pipe Size
(inches)
Outside Diameter
(inches)
Inside Diameter
(Slip on Bore)
(inches)
Number of Bolt HolesBolt Hole Diameter
(inches)
Bolt Circle
(inches)
Thickness
(inches)
4 10 4.57 8 7/8 7-7/8 1.13
5 11 5.66 8 7/8 9-1/4 1.21
6 12-1/2 6.72 12 7/8 10-5/8 1.31
8 15 8.72 12 1 13 1.31
10 17-1/2 10.88 16 1-1/8 15-1/4 1.50
12 20-1/2 12.88 16 1-1/4 17-3/4 1.63
14 23 14.19 20 1-1/4 20-1/4 1.94
16 25-1/2 16.19 20 1-3/8 22-1/2 2.14
18 28 18.19 24 1-3/8 24-3/4 2.25
20 30-1/2 20.19 24 1-3/8 27 2.33
22 33 22.19 24 1-3/8 29-1/4 2.50
24 36 24.19 24 1-5/8 32 2.69
26 38-1/4 26.25 28 1-7/8 34-1/2 3.00
28 40-3/4 28.25 28 1-7/8 37 3.13
30 43 30.25 28 1-7/8 39-1/4 3.15
32 45-1/4 32.25 28 1-7/8 41-1/2 3.25
34 47-1/2 34.25 28 1-7/8 43-1/2 3.38
36 50 36.25 32 2-1/8 46 3.46
38 52-1/4 38.25 32 2-1/8 48 3.50
40 54-1/4 54.25 36 2-1/8 50-1/4 3.63
42 57 42.25 36 2-1/8 52-3/4 3.81
44 59-1/4 44.25 36 2-1/8 55 4.00
46 61-1/2 46.25 40 2-1/8 57-1/4 4.13
48 65 48.25 40 2-1/8 60-3/4 4.50

Related Topics

  • Water Systems - Hot and cold water service systems - design properties, capacities, sizing and more

Related Documents

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