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.

AWWA C207 class D water work flange

Steel Pipe Flanges for Waterworks Services - Pressure Rating 86 psi
AWWA C207-94 Class B
Pipe Size (inches)	Outside Diameter (inches)	Inside Diameter (Slip on Bore) (inches)	Number of Bolt Holes	Bolt 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

Steel Pipe Flanges for Waterworks Services - Pressure Rating 175 - 150 psi
AWWA C207-94 Class D
Pipe Size (inches)	Outside Diameter (inches)	Inside Diameter (Slip on Bore) (inches)	Number of Bolt Holes	Bolt 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

Steel Pipe Flanges for Waterworks Services - Pressure Rating 275 psi
AWWA C207-94 Class E
Pipe Size (inches)	Outside Diameter (inches)	Inside Diameter (Slip on Bore) (inches)	Number of Bolt Holes	Bolt 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

Steel Pipe Flanges for Waterworks Services - Pressure Rating 300 psi
AWWA C207-94 Class F
Pipe Size (inches)	Outside Diameter (inches)	Inside Diameter (Slip on Bore) (inches)	Number of Bolt Holes	Bolt 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