
Standard Flange Dimension Complying with
AWWA – ANSI B16.1
|
Nominal Diameter
|
Flange Thickness
(mm)
+10
|
Flange OD 'FOD'
+10-0
|
GROOVE DIA.
GD(MM)
|
DRILLING STANDARD
|
|
(mm)
|
(Inch)
|
AWWA Class 'D'
|
ANSI B 16.1 Class 125
|
|
No. of Bolts
|
Bolt Hole Dia. + 1.5
|
Bolt Circle Dia.
|
No. of Bolts
|
Bolt Hole Dia. + 1.5
|
Bolt Circle Dia.
|
|
350
|
14
|
45
|
537
|
399.3
|
12
|
31.6
|
476.3
|
12
|
31.6
|
476.3
|
|
400
|
16
|
47
|
601
|
434.3
|
16
|
34.8
|
539.8
|
16
|
31.6
|
539.8
|
|
450
|
18
|
52
|
645
|
485.3
|
16
|
34.8
|
577.9
|
16
|
34.8
|
577.9
|
|
500
|
20
|
53
|
703
|
536.3
|
20
|
34.8
|
635
|
20
|
34.8
|
635
|
|
600
|
24
|
57
|
823
|
638.3
|
20
|
37.8
|
749.3
|
20
|
37.8
|
749.3
|
|
700
|
28
|
66
|
937
|
743.9
|
28
|
37.8
|
863.6
|
-
|
-
|
-
|
|
800
|
32
|
72
|
1064
|
845.9
|
28
|
44.1
|
977.9
|
-
|
-
|
-
|
|
900
|
36
|
78
|
1172
|
947.9
|
32
|
44.1
|
1085.9
|
32
|
44.1
|
1085.9
|
|
1000
|
40
|
83
|
1287
|
1049.9
|
36
|
44.1
|
1200.2
|
-
|
-
|
-
|
|
1100
|
44
|
93
|
1401 .
|
1155.8
|
40
|
44.1
|
1314.5
|
-
|
-
|
-
|
|
1200
|
48
|
98
|
1509
|
1257.8
|
44
|
44.1
|
1422.4
|
44
|
44.1
|
1422.4
|
|
1300
|
52
|
104
|
1636
|
1359.8
|
44
|
50.5
|
1536.7
|
-
|
-
|
-
|
|
1500
|
60
|
115
|
1858
|
1563.8
|
52
|
50.5
|
1759
|
52
|
50.5
|
1758.9
|
|
1700
|
66
|
130
|
2030
|
1771.7
|
52
|
50.5
|
1930.4
|
-
|
-
|
-
|
|
1800
|
72
|
136
|
2194
|
1873.7
|
60
|
50.5
|
2095.5
|
60
|
50.5
|
2095.5
|
|
2000
|
78
|
147
|
2373
|
2077.7
|
64
|
56.8
|
2260.6
|
-
|
-
|
-
|
|
2100
|
84
|
155
|
2537
|
2182.3
|
64
|
56.8
|
2425.7
|
64
|
56.8
|
2425.7
|
|
2300
|
90
|
167
|
2715
|
2386.3
|
68
|
63.3
|
2590.8
|
-
|
-
|
-
|
|
2400
|
96
|
174
|
2880
|
2488.3
|
68
|
63.3
|
2755.9
|
68
|
63.3
|
2755.9
|
|
2600
|
102
|
181
|
3048
|
2692.3
|
72
|
63.5
|
2908.3
|
-
|
-
|
-
|
|
2700
|
108
|
188
|
3219
|
2794.3
|
72
|
63.5
|
3067.05
|
-
|
-
|
-
|
|
2800
|
112
|
195
|
3307
|
2896.3
|
-
|
-
|
-
|
-
|
-
|
-
|
|
2900
|
114
|
202
|
3391
|
2996.3
|
76
|
69.85
|
3219.45
|
-
|
-
|
-
|
|
3000
|
120
|
209
|
3562
|
3098.3
|
76
|
69.85
|
3371.85
|
-
|
-
|
-
|
Note : Bolt hole Dia in GRP flanges is larger than standard steel flanges,where as the bolt diameter remains same as that of standard

|
60o Elbow
|
90o Elbow
|
|
|
|
|
|
|
|
|
|
80 |
400 |
65 |
438 |
80 |
400 |
65 |
489 |
100 |
400 |
81 |
447 |
100 |
400 |
81 |
511 |
150 |
400 |
121 |
470 |
150 |
400 |
121 |
565 |
200 |
400 |
161 |
493 |
200 |
400 |
161 |
620 |
250 |
400 |
201 |
516 |
250 |
400 |
201 |
675 |
300 |
400 |
242 |
540 |
300 |
400 |
242 |
731 |
350 |
400 |
281 |
562 |
350 |
400 |
281 |
784 |
400 |
400 |
322 |
586 |
400 |
400 |
322 |
840 |
450 |
400 |
362 |
609 |
450 |
400 |
362 |
895 |
500 |
450 |
402 |
682 |
500 |
450 |
402 |
999 |
600 |
500 |
482 |
778 |
600 |
500 |
480 |
1158 |
700 |
550 |
563 |
875 |
700 |
550 |
563 |
1319 |
800 |
600 |
643 |
971 |
800 |
600 |
643 |
1478 |
900 |
650 |
724 |
1068 |
900 |
650 |
724 |
1639 |
1000 |
700 |
804 |
1164 |
1000 |
700 |
804 |
1798 |
1100 |
750 |
884 |
1260 |
1100 |
750 |
884 |
1958 |
1200 |
800 |
965 |
1357 |
1200 |
800 |
965 |
2118 |
1300 |
900 |
1045 |
1503 |
1300 |
900 |
1045 |
2328 |
1400 |
1000 |
1126 |
1650 |
1400 |
1000 |
1126 |
2538 |
1500 |
1100 |
1206 |
1796 |
1500 |
1100 |
1206 |
2747 |
1600 |
1200 |
1286 |
1943 |
1600 |
1200 |
1286 |
2957 |
1700 |
1300 |
1367 |
2089 |
1700 |
1300 |
1367 |
3167 |
1800 |
1400 |
1447 |
2235 |
1800 |
1400 |
1447 |
3377 |
1900 |
1500 |
1527 |
2382 |
1900 |
1500 |
1527 |
3586 |
2000 |
1600 |
1608 |
2528 |
2000 |
1600 |
1608 |
3797 |
2100 |
1650 |
1688 |
2625 |
2100 |
1650 |
1688 |
3956 |
2200 |
1750 |
1769 |
2771 |
2200 |
1750 |
1769 |
4167 |
2300 |
1850 |
1849 |
2918 |
2300 |
1850 |
1849 |
4376 |
2400 |
1900 |
1929 |
3014 |
2400 |
1900 |
1929 |
4535 |
2500 |
2000 |
2010 |
3160 |
2500 |
2000 |
2010 |
4746 |
2600 |
2000 |
2090 |
3207 |
2600 |
2000 |
2091 |
4857 |
2700 |
2000 |
2170 |
3253 |
2700 |
2000 |
2171 |
4966 |
2800 |
2000 |
2251 |
3299 |
2800 |
2000 |
2252 |
5076 |
2900 |
2000 |
2331 |
3346 |
2900 |
2000 |
2332 |
5186 |
3000 |
2000 |
2412 |
3392 |
3000 |
2000 |
2413 |
5296 |
3100 |
2000 |
2492 |
3439 |
3100 |
2000 |
2493 |
5406 |
3200 |
2000 |
2572 |
3485 |
3200 |
2000 |
2573 |
5516 |
3300 |
2000 |
2653 |
3532 |
3300 |
2000 |
2654 |
5626 |
3400 |
2000 |
2733 |
3578 |
3400 |
2000 |
2734 |
5735 |
3500 |
2000 |
2813 |
3624 |
3500 |
2000 |
2815 |
5845 |
3600 |
2000 |
2894 |
3671 |
3600 |
2000 |
2895 |
5955 |
3700 |
2000 |
2974 |
3717 |
3700 |
2000 |
2975 |
6065 |
3800 |
2000 |
3055 |
3764 |
3800 |
2000 |
3056 |
6175 |
3900 |
2000 |
3135 |
3810 |
3900 |
2000 |
3136 |
6285 |
4000 |
2000 |
3215 |
3856 |
4000 |
2000 |
3217 |
6395 |
Note : All small diameters from 80mm.To 300mm.flanges will be flat faces.

|
30o Elbow
|
45o Elbow
|
|
|
|
|
|
|
|
|
80 |
400 |
400 |
80 |
400 |
48 |
426 |
100 |
400 |
400 |
100 |
400 |
60 |
432 |
150 |
400 |
400 |
150 |
400 |
90 |
449 |
200 |
400 |
400 |
200 |
400 |
120 |
465 |
250 |
400 |
400 |
250 |
400 |
149 |
481 |
300 |
400 |
400 |
300 |
400 |
179 |
497 |
350 |
400 |
400 |
350 |
400 |
209 |
513 |
400 |
400 |
400 |
400 |
400 |
239 |
529 |
450 |
400 |
400 |
450 |
400 |
269 |
546 |
500 |
450 |
450 |
500 |
450 |
299 |
612 |
600 |
500 |
500 |
600 |
500 |
358 |
694 |
700 |
550 |
550 |
700 |
550 |
418 |
776 |
800 |
600 |
600 |
800 |
600 |
478 |
859 |
900 |
650 |
650 |
900 |
650 |
537 |
941 |
1000 |
650 |
650 |
1000 |
700 |
597 |
1023 |
1100 |
650 |
650 |
1100 |
750 |
657 |
1106 |
1200 |
700 |
700 |
1200 |
800 |
716 |
1188 |
1300 |
750 |
750 |
1300 |
850 |
776 |
1270 |
1400 |
800 |
800 |
1400 |
900 |
836 |
1352 |
1500 |
900 |
900 |
1500 |
950 |
895 |
1434 |
1600 |
950 |
950 |
1600 |
1000 |
955 |
1517 |
1700 |
1000 |
1000 |
1700 |
1050 |
1015 |
1599 |
1800 |
1050 |
1050 |
1800 |
1100 |
1074 |
1681 |
1900 |
1150 |
1150 |
1900 |
1200 |
1134 |
1814 |
2000 |
1200 |
1200 |
2000 |
1250 |
1194 |
1896 |
2100 |
1250 |
1250 |
2100 |
1300 |
1253 |
1978 |
2200 |
1300 |
1300 |
2200 |
1350 |
1313 |
2061 |
2300 |
1350 |
1350 |
2300 |
1400 |
1373 |
2143 |
2400 |
1400 |
1400 |
2400 |
1450 |
1432 |
2225 |
2500 |
1500 |
1500 |
2500 |
1500 |
1492 |
2308 |
2600 |
1700 |
1700 |
2600 |
1500 |
1552 |
2340 |
2700 |
1700 |
1700 |
2700 |
1500 |
1611 |
2372 |
2800 |
1700 |
1700 |
2800 |
1500 |
1671 |
2404 |
2900 |
1700 |
1700 |
2900 |
1500 |
1731 |
2437 |
3000 |
1700 |
1700 |
3000 |
1500 |
1790 |
2469 |
3100 |
1800 |
1800 |
3100 |
1500 |
1850 |
2501 |
3200 |
1800 |
1800 |
3200 |
1500 |
1910 |
2533 |
3300 |
1800 |
1800 |
3300 |
1500 |
1969 |
2566 |
3400 |
1800 |
1800 |
3400 |
1500 |
2029 |
2598 |
3500 |
1800 |
1800 |
3500 |
1500 |
2089 |
2630 |
3600 |
1900 |
1900 |
3600 |
1500 |
2148 |
2663 |
3700 |
1900 |
1900 |
3700 |
1500 |
2208 |
2695 |
3800 |
1900 |
1900 |
3800 |
1500 |
2268 |
2727 |
3900 |
1900 |
1900 |
3900 |
1500 |
2327 |
2760 |
4000 |
1900 |
1900 |
4000 |
1500 |
2387 |
2792 |
Note : All small diameters from 80mm.To 300mm.flanges will be flat faces.

|
90o TEE (Db < ½ Dh)
|
90o TEE (Db > ½ Dh)
|
|
|
|
|
|
|
|
350 |
1000 |
560 |
350 |
1300 |
650 |
400 |
1000 |
570 |
400 |
1400 |
700 |
450 |
1050 |
650 |
450 |
1500 |
750 |
500 |
1080 |
670 |
500 |
1600 |
800 |
600 |
1220 |
760 |
600 |
1800 |
900 |
700 |
1350 |
850 |
700 |
2050 |
1025 |
800 |
1480 |
940 |
800 |
2300 |
1150 |
900 |
1650 |
1030 |
900 |
2550 |
1275 |
1000 |
1750 |
1130 |
1000 |
2800 |
1400 |
1100 |
1880 |
1220 |
1100 |
3050 |
1525 |
1200 |
2020 |
1310 |
1200 |
3300 |
1650 |
1300 |
2150 |
1402 |
1300 |
3550 |
1775 |
1400 |
2300 |
1490 |
1400 |
3800 |
1900 |
1500 |
2420 |
1590 |
1500 |
4050 |
2025 |
1600 |
2550 |
1680 |
1600 |
4300 |
2150 |
1700 |
2700 |
1770 |
1700 |
4550 |
2275 |
1800 |
2850 |
1860 |
1800 |
4800 |
2400 |
1900 |
3000 |
1950 |
1900 |
5050 |
2525 |
2000 |
3100 |
2050 |
2000 |
5300 |
2650 |
2100 |
3210 |
2140 |
2100 |
5550 |
2775 |
2200 |
3400 |
2230 |
2200 |
5800 |
2900 |
2300 |
3500 |
2320 |
2300 |
6050 |
3025 |
2400 |
3750 |
2420 |
2400 |
6300 |
3150 |
2500 |
3800 |
2510 |
2500 |
6550 |
3275 |
2600 |
3850 |
2575 |
2600 |
6650 |
3325 |
2700 |
3900 |
2625 |
2700 |
6750 |
3375 |
2800 |
3950 |
2675 |
2800 |
6850 |
3425 |
2900 |
4000 |
2725 |
2900 |
6950 |
3475 |
3000 |
4050 |
2775 |
3000 |
7050 |
3525 |
3100 |
4100 |
2825 |
3100 |
7150 |
3575 |
3200 |
4150 |
2875 |
3200 |
7250 |
3625 |
3300 |
4200 |
2925 |
3300 |
7350 |
3675 |
3400 |
4250 |
2975 |
3400 |
7450 |
3725 |
3500 |
4300 |
3025 |
3500 |
7550 |
3775 |
3600 |
4350 |
3075 |
3600 |
7650 |
3825 |
3700 |
4400 |
3125 |
3700 |
7750 |
3875 |
3800 |
4450 |
3175 |
3800 |
7850 |
3925 |
3900 |
4500 |
3225 |
3900 |
7950 |
3975 |
4000 |
4550 |
3275 |
4000 |
8050 |
4025 |
Note : All small diameter from 80mm. To 300mm.flanges faces will be flat face.

90o TEE |
|
|
|
|
| 80 X 80 |
800 |
500 |
| 100 X 100 |
900 |
500 |
| 150 X 150 |
1100 |
500 |
| 200 X 200 |
1200 |
600 |
| 250 X 250 |
1250 |
625 |
| 300 X 300 |
1300 |
650 |

|
15o WYE (Db < ½ Dh)
|
15o WYE (Db > ½ Dh)
|
|
|
|
|
|
|
|
|
|
|
80
|
1500
|
1200
|
300
|
80
|
2100
|
900
|
240
|
|
100
|
1600
|
1300
|
300
|
100
|
2200
|
1000
|
280
|
|
150
|
1700
|
1350
|
350
|
150
|
2400
|
1100
|
300
|
|
200
|
1700
|
1400
|
350
|
200
|
2600
|
1300
|
330
|
|
250
|
1800
|
1450
|
400
|
250
|
2800
|
1500
|
350
|
|
300
|
1900
|
1500
|
400
|
300
|
2900
|
1700
|
400
|
|
350
|
2200
|
1700
|
500
|
350
|
3200
|
2700
|
500
|
|
400
|
2500
|
1900
|
600
|
400
|
3500
|
2900
|
600
|
|
450
|
2800
|
2100
|
700
|
450
|
3800
|
3100
|
700
|
|
500
|
3100
|
2300
|
800
|
500
|
4100
|
3300
|
800
|
|
600
|
3550
|
2650
|
900
|
600
|
4550
|
3650
|
900
|
|
700
|
4000
|
3000
|
1000
|
700
|
5000
|
4000
|
1000
|
|
800
|
4500
|
3400
|
1100
|
800
|
5500
|
4400
|
1100
|
|
900
|
4900
|
3800
|
1200
|
900
|
6000
|
4800
|
1200
|
|
1000
|
5100
|
4200
|
1300
|
1000
|
6500
|
5200
|
1300
|
|
1100
|
5700
|
4550
|
1400
|
1100
|
6950
|
5550
|
1400
|
|
1200
|
6200
|
4950
|
1500
|
1200
|
7450
|
5950
|
1500
|
|
1300
|
6700
|
5300
|
1600
|
1300
|
7900
|
6300
|
1600
|
|
1400
|
7200
|
5500
|
1700
|
1400
|
8400
|
6700
|
1700
|
|
1500
|
7700
|
5800
|
1800
|
1500
|
8900
|
7100
|
1800
|
|
1600
|
8350
|
6000
|
1900
|
1600
|
9350
|
7450
|
1900
|
|
1700
|
8850
|
6300
|
2000
|
1700
|
9850
|
8580
|
2000
|
|
1800
|
9300
|
6700
|
2100
|
1800
|
10300
|
9200
|
2100
|
|
1900
|
9800
|
7100
|
2200
|
1900
|
10800
|
9600
|
2200
|
|
2000
|
10300
|
7300
|
2300
|
2000
|
11300
|
10000
|
2300
|
|
2100
|
10750
|
8000
|
2400
|
2100
|
11750
|
10350
|
2400
|
|
2200
|
11250
|
8300
|
2500
|
2200
|
12250
|
10750
|
2500
|
|
2300
|
11700
|
8500
|
2600
|
2300
|
12700
|
11100
|
2600
|
|
2400
|
12200
|
8700
|
2700
|
2400
|
13200
|
11500
|
2700
|
|
2500
|
12650
|
8900
|
2800
|
2500
|
13650
|
11850
|
2800
|
|
2600
|
13100
|
9000
|
2900
|
2600
|
14100
|
12250
|
2900
|
|
2700
|
13550
|
9100
|
3000
|
2700
|
14550
|
12650
|
3000
|
|
2800
|
14000
|
9300
|
3100
|
2800
|
15000
|
13050
|
3100
|
|
2900
|
14500
|
9400
|
3200
|
2900
|
15500
|
13400
|
3200
|
|
3000
|
14950
|
9600
|
3000
|
3000
|
15950
|
13800
|
3300
|
Note : All small diameters from 80mm.To 300mm.flanges will be flat faces.

45o & 60o WYE (Db < ½ Dh)
|
45o & 60o WYE (Db > ½ Dh)
|
|
Nominal Diameter
D(mm)
|
A
(mm)
|
B
(mm)
|
L
(mm)
|
Nominal Diameter
D(mm)
|
A
(mm)
|
B
(mm)
|
L
(mm)
|
|
80
|
600
|
480
|
240
|
80
|
850
|
500
|
300
|
|
100
|
700
|
530
|
250
|
100
|
900
|
600
|
300
|
|
150
|
750
|
600
|
250
|
150
|
900
|
700
|
350
|
|
200
|
800
|
700
|
280
|
200
|
950
|
800
|
350
|
|
250
|
850
|
800
|
300
|
250
|
1000
|
900
|
350
|
|
300
|
900
|
900
|
300
|
300
|
1000
|
1000
|
400
|
|
350
|
1300
|
850
|
450
|
350
|
1000
|
800
|
300
|
|
400
|
1550
|
1000
|
550
|
400
|
1250
|
850
|
400
|
|
450
|
1700
|
1100
|
600
|
450
|
1500
|
900
|
500
|
|
500
|
1800
|
1150
|
650
|
500
|
1600
|
950
|
550
|
|
600
|
2050
|
1300
|
750
|
600
|
1750
|
1100
|
600
|
|
700
|
2350
|
1500
|
850
|
700
|
2050
|
1300
|
700
|
|
800
|
2650
|
1700
|
950
|
800
|
2350
|
1400
|
800
|
|
900
|
2950
|
1900
|
1050
|
900
|
2550
|
1600
|
850
|
|
1000
|
3250
|
2100
|
1150
|
1000
|
2660
|
1700
|
900
|
|
1100
|
3550
|
2300
|
1250
|
1100
|
2950
|
1800
|
950
|
|
1200
|
3850
|
2500
|
1350
|
1200
|
3250
|
2000
|
1050
|
|
1300
|
4150
|
2700
|
1450
|
1300
|
3550
|
2200
|
1150
|
|
1400
|
4450
|
2900
|
1550
|
1400
|
3760
|
2400
|
1200
|
|
1500
|
4750
|
3100
|
1650
|
1500
|
3950
|
2600
|
1250
|
|
1600
|
5050
|
3300
|
1750
|
1600
|
4100
|
2700
|
1300
|
|
1700
|
5350
|
3500
|
1850
|
1700
|
4300
|
2800
|
1350
|
|
1800
|
5650
|
3700
|
1950
|
1800
|
4600
|
2900
|
1450
|
|
1900
|
5950
|
3900
|
2050
|
1900
|
4800
|
3000
|
1500
|
|
2000
|
6250
|
4100
|
2150
|
2000
|
5000
|
3100
|
1550
|
|
2100
|
6550
|
4300
|
2250
|
2100
|
5300
|
3200
|
1650
|
|
2200
|
6850
|
4500
|
2350
|
2200
|
5500
|
3300
|
1700
|
|
2300
|
7150
|
4700
|
2450
|
2300
|
5700
|
3400
|
1750
|
|
2400
|
7450
|
4900
|
2350
|
2400
|
5850
|
3600
|
1800
|
|
2500
|
7750
|
5100
|
2650
|
2500
|
6100
|
3700
|
1850
|
|
2600
|
8050
|
5300
|
2750
|
2600
|
6400
|
3800
|
1950
|
|
2700
|
8350
|
5500
|
2850
|
2700
|
6700
|
4000
|
2050
|
|
2800
|
8650
|
5700
|
2950
|
2800
|
7000
|
4200
|
2150
|
|
2900
|
8950
|
5900
|
5300
|
2900
|
7300
|
4400
|
2250
|
|
3000
|
9250
|
6100
|
3150
|
3000
|
7600
|
4600
|
2350
|
Note : All small diameters from 80mm.To 300mm.flanges will be flat faces.



|