Grade :ASTM A 182/ SA 240 TP 304, 304L 316, 347,321
ASTM A 105/ IS 2062, ASTM A350 L F2, F11, F22
Range : SORF, BLRF, SWRF, WNRF, Screwed
Class : 150, 300, 600, 900, 1200, 1500
Size : ¼'' TO 48''
Various types of flanges :
- Threaded Flanges
- WeldNeck Flanges
- Blind Flanges
- Slip On Flanges
- DIN Flanges
- Socket Welding Flanges
Normal
pipe
size |
Outside
dia. of
flange |
Minimum
thickness
of flange |
Overall Length |
Bolt
Circle |
No. and
Size of
Holes |
O.D. of
raised
face |
Welding
neck |
Slip-on
& socket
welding |
Lap Joint |
|
O |
Q |
Y |
Diam. |
No. |
dia. |
R |
1/2 |
89 |
11.2 |
47.6 |
15.9 |
15.9 |
60.5 |
4 |
15 |
35 |
3/4 |
98.4 |
12.7 |
52.4 |
15.9 |
15.9 |
69.8 |
4 |
15 |
43 |
1 |
108 |
14.3 |
55.6 |
17.5 |
17.5 |
79.5 |
4 |
15 |
51 |
1.1/4 |
117 |
15.9 |
57.2 |
20.6 |
20.6 |
89.0 |
4 |
15 |
64 |
1.1/2 |
127 |
17.5 |
61.9 |
22.2 |
22.2 |
98.5 |
4 |
15 |
73 |
2 |
152 |
19.1 |
63.5 |
25.4 |
25.4 |
120.5 |
4 |
19 |
92 |
2.1/2 |
178 |
22.3 |
69.8 |
28.6 |
28.6 |
139.5 |
4 |
19 |
105 |
3 |
190 |
23.9 |
69.8 |
30.2 |
30.2 |
152.5 |
4 |
19 |
127 |
3.1/2 |
216 |
23.9 |
71.4 |
31.8 |
31.8 |
178.0 |
8 |
19 |
140 |
4 |
229 |
23.9 |
86.2 |
33.3 |
33.3 |
190.5 |
8 |
19 |
157 |
5 |
254 |
23.9 |
88.9 |
36.5 |
36.5 |
216.0 |
8 |
22 |
186 |
6 |
279 |
25.4 |
88.9 |
39.7 |
39.7 |
241.5 |
8 |
22 |
216 |
8 |
343 |
28.6 |
101.6 |
44.4 |
44.4 |
298.5 |
8 |
22 |
270 |
10 |
406 |
30.2 |
101.6 |
49.2 |
49.2 |
362.0 |
12 |
25 |
324 |
12 |
483 |
31.8 |
114.3 |
55.6 |
55.6 |
432.0 |
12 |
25 |
381 |
14 |
533 |
35.0 |
127.0 |
57.2 |
79.4 |
476.0 |
12 |
29 |
413 |
16 |
597 |
36.6 |
127.0 |
63.5 |
87.3 |
539.5 |
16 |
29 |
470 |
18 |
635 |
39.7 |
139.7 |
68.3 |
96.8 |
578.0 |
16 |
32 |
533 |
20 |
698 |
42.9 |
144.5 |
73.0 |
103.2 |
635.0 |
20 |
32 |
584 |
24 |
813 |
47.7 |
152.4 |
82.6 |
111.1 |
749.5 |
20 |
35 |
692 |
Normal
pipe
size |
Outside
dia. of
flange |
Minimum
thickness
of flange |
Overall Length |
Bolt
Circle |
No. and
Size of
Holes |
O.D. of
raised
face |
Welding
neck |
Slip-on
& socket
welding |
Lap Joint |
|
O |
Q |
Y |
Diam. |
No. |
dia. |
R |
1/2 |
89 |
11.2 |
47.6 |
15.9 |
15.9 |
60.5 |
4 |
15 |
35 |
3/4 |
98.4 |
12.7 |
52.4 |
15.9 |
15.9 |
69.8 |
4 |
15 |
43 |
1 |
108 |
14.3 |
55.6 |
17.5 |
17.5 |
79.5 |
4 |
15 |
51 |
1.1/4 |
117 |
15.9 |
57.2 |
20.6 |
20.6 |
89.0 |
4 |
15 |
64 |
1.1/2 |
127 |
17.5 |
61.9 |
22.2 |
22.2 |
98.5 |
4 |
15 |
73 |
2 |
152 |
19.1 |
63.5 |
25.4 |
25.4 |
120.5 |
4 |
19 |
92 |
2.1/2 |
178 |
22.3 |
69.8 |
28.6 |
28.6 |
139.5 |
4 |
19 |
105 |
3 |
190 |
23.9 |
69.8 |
30.2 |
30.2 |
152.5 |
4 |
19 |
127 |
3.1/2 |
216 |
23.9 |
71.4 |
31.8 |
31.8 |
178.0 |
8 |
19 |
140 |
4 |
229 |
23.9 |
86.2 |
33.3 |
33.3 |
190.5 |
8 |
19 |
157 |
5 |
254 |
23.9 |
88.9 |
36.5 |
36.5 |
216.0 |
8 |
22 |
186 |
6 |
279 |
25.4 |
88.9 |
39.7 |
39.7 |
241.5 |
8 |
22 |
216 |
8 |
343 |
28.6 |
101.6 |
44.4 |
44.4 |
298.5 |
8 |
22 |
270 |
10 |
406 |
30.2 |
101.6 |
49.2 |
49.2 |
362.0 |
12 |
25 |
324 |
12 |
483 |
31.8 |
114.3 |
55.6 |
55.6 |
432.0 |
12 |
25 |
381 |
14 |
533 |
35.0 |
127.0 |
57.2 |
79.4 |
476.0 |
12 |
29 |
413 |
16 |
597 |
36.6 |
127.0 |
63.5 |
87.3 |
539.5 |
16 |
29 |
470 |
18 |
635 |
39.7 |
139.7 |
68.3 |
96.8 |
578.0 |
16 |
32 |
533 |
20 |
698 |
42.9 |
144.5 |
73.0 |
103.2 |
635.0 |
20 |
32 |
584 |
24 |
813 |
47.7 |
152.4 |
82.6 |
111.1 |
749.5 |
20 |
35 |
692 |
Normal
pipe
size |
Outside
dia. of
flange |
Minimum
thickness
of flange |
Overall Length |
Bolt
Circle |
No. and
Size of
Holes |
O.D. of
raised
face |
Welding
neck |
Slip-on
& socket
welding |
Lap Joint |
|
O |
Q |
Y |
Diam. |
No. |
dia. |
R |
1/2 |
95 |
14.3 |
52.4 |
22.2 |
22.2 |
666.5 |
4 |
15 |
35 |
3/4 |
117 |
15.9 |
57.2 |
25.4 |
25.4 |
82.4 |
4 |
19 |
43 |
1 |
124 |
17.5 |
61.9 |
27.0 |
27.0 |
89.0 |
4 |
19 |
51 |
1-1/4 |
133 |
19.1 |
65.1 |
27.0 |
27.0 |
98.5 |
4 |
19 |
64 |
1-1/2 |
156 |
20.7 |
68.3 |
30.2 |
30.2 |
114.5 |
4 |
22 |
73 |
2 |
165 |
22.3 |
69.8 |
33.3 |
33.3 |
127.0 |
8 |
19 |
92 |
2-1/2 |
190 |
25.4 |
76.2 |
38.1 |
38.1 |
149.0 |
8 |
22 |
105 |
3 |
210 |
28.6 |
79.4 |
42.9 |
42.9 |
168.0 |
8 |
22 |
127 |
4 |
254 |
31.8 |
85.7 |
47.6 |
47.6 |
200.0 |
8 |
22 |
157 |
5 |
279 |
35.0 |
98.4 |
50.8 |
50.8 |
235.0 |
8 |
22 |
186 |
6 |
313 |
36.6 |
98.4 |
52.4 |
52.4 |
270.0 |
12 |
22 |
216 |
6 |
381 |
413 |
111.1 |
61.9 |
91.9 |
330.0 |
12 |
25 |
270 |
10 |
444 |
47.7 |
117.5 |
66.7 |
95.3 |
387.5 |
16 |
29 |
324 |
12 |
521 |
50.8 |
130.2 |
73.0 |
101.6 |
451.0 |
16 |
32 |
381 |
14 |
584 |
54.0 |
142.9 |
76.2 |
111.1 |
514.5 |
20 |
32 |
413 |
16 |
648 |
57.2 |
146.0 |
82.6 |
120.7 |
571.5 |
20 |
35 |
470 |
18 |
711 |
60.4 |
158.8 |
88.9 |
130.2 |
628.5 |
24 |
35 |
533 |
20 |
775 |
63.5 |
161.9 |
95.2 |
139.7 |
686.0 |
24 |
35 |
584 |
24 |
914 |
69.9 |
168.3 |
106.4 |
152.4 |
843.0 |
24 |
41 |
692 |
600 LB. FLANGES
Normal
pipe
size |
Outside
dia. of
flange |
Minimum
thickness of
flange |
Overall Length |
Bolt Circle |
No. and
Size of
Holes |
O.D. of
raised
face |
Welding neck |
Slip-on
& socket
welding |
Lap Joint |
|
O |
Q |
Y |
Diam. |
No. |
dia. |
R |
1/2 |
95 |
14.3 |
52.4 |
22.2 |
22.2 |
66.5 |
4 |
15 |
35 |
3/4 |
117 |
15.9 |
57.2 |
25.4 |
25.4 |
82.5 |
4 |
19 |
43 |
1 |
124 |
17.5 |
61.9 |
27.0 |
27.0 |
89.0 |
4 |
19 |
51 |
1-1/4 |
133 |
20.7 |
66.7 |
28.6 |
28.6 |
98.5 |
4 |
19 |
64 |
1-1/2 |
156 |
22.3 |
69.8 |
31.8 |
31.8 |
114.5 |
4 |
22 |
73 |
2 |
165 |
25.4 |
73.0 |
36.5 |
36.5 |
127.0 |
8 |
19 |
92 |
2-1/2 |
190 |
28.6 |
79.4 |
41.3 |
41.3 |
149.0 |
8 |
22 |
105 |
3 |
210 |
31.8 |
82.6 |
46.0 |
46.0 |
168.0 |
8 |
22 |
127 |
3-1/2 |
229 |
35.0 |
85.7 |
49.2 |
49.2 |
184.0 |
8 |
25 |
140 |
4 |
273 |
38.1 |
101.6 |
54.0 |
54.0 |
216.0 |
8 |
25 |
157 |
5 |
330 |
44.5 |
114.3 |
60.3 |
60.3 |
266.5 |
8 |
29 |
186 |
6 |
356 |
47.7 |
117.5 |
66.7 |
66.7 |
292.0 |
12 |
29 |
216 |
8 |
419 |
55.6 |
133.4 |
76.2 |
76.2 |
349.0 |
12 |
32 |
270 |
10 |
508 |
63.5 |
152.4 |
85.7 |
115.1 |
432.0 |
16 |
85 |
324 |
12 |
559 |
66.7 |
155.6 |
92.1 |
111.1 |
489.0 |
20 |
35 |
381 |
14 |
603 |
69.9 |
165.1 |
93.7 |
117.5 |
527.0 |
20 |
38 |
413 |
16 |
686 |
76.2 |
177.8 |
106.4 |
127.0 |
603.0 |
20 |
41 |
470 |
18 |
743 |
82.6 |
184.2 |
117.6 |
139.7 |
654.0 |
20 |
45 |
533 |
20 |
813 |
88.9 |
190.5 |
127.0 |
165.1 |
724.0 |
24 |
45 |
584 |
24 |
940 |
101.6 |
203.2 |
139.7 |
184.2 |
838.0 |
24 |
51 |
692 |
900 LB. FLANGES
Normal
pipe
size |
Outside
dia. of
flange |
Minimum
thickness of
flange |
Overall Length |
Bolt
Circle |
No. and
Size of
Holes |
O.D. of
raised
face |
Welding neck |
Slip-on
&
socket
welding |
Lap Joint |
|
O |
Q |
Y |
Diam. |
No. |
dia. |
R |
1/2 |
121 |
22.3 |
60.3 |
31.8 |
31.8 |
82.5 |
4 |
22 |
35 |
3/4 |
130 |
25.4 |
69.8 |
34.9 |
34.9 |
89.0 |
4 |
22 |
43 |
1 |
149 |
28.6 |
78.0 |
41.3 |
41.3 |
101.5 |
4 |
25 |
51 |
1-1/4 |
159 |
28.6 |
78.0 |
41.3 |
41.3 |
111.0 |
4 |
25 |
64 |
1-1/2 |
178 |
31.8 |
82.6 |
44.4 |
44.4 |
124.0 |
4 |
29 |
78 |
2 |
216 |
38.1 |
101.6 |
57.2 |
57.2 |
165.0 |
8 |
25 |
92 |
2-1/2 |
244 |
41.3 |
104.8 |
63.5 |
63.5 |
190.5 |
8 |
29 |
105 |
8 |
241 |
38.1 |
101.6 |
54.0 |
54.0 |
190.5 |
8 |
25 |
127 |
3-1/2 |
|
|
|
|
|
|
|
|
|
4 |
292 |
44.5 |
114.3 |
69.8 |
69.8 |
235.0 |
8 |
32 |
157 |
5 |
349 |
50.8 |
127.0 |
79.4 |
79.4 |
279.5 |
8 |
35 |
186 |
6 |
381 |
55.6 |
189.7 |
85.7 |
85.7 |
317.5 |
12 |
32 |
216 |
8 |
470 |
68.5 |
161.9 |
101.8 |
114.3 |
393.5 |
12 |
38 |
270 |
10 |
546 |
69.9 |
184.2 |
108.0 |
127.0 |
470.0 |
16 |
38 |
324 |
12 |
610 |
79.4 |
200.0 |
117.5 |
142.9 |
533.5 |
20 |
38 |
381 |
14 |
584 |
54.0 |
142.9 |
76.2 |
111.1 |
514.5 |
20 |
32 |
413 |
16 |
711 |
60.4 |
158.8 |
88.9 |
130.2 |
628.5 |
24 |
35 |
533 |
20 |
775 |
63.5 |
161.9 |
95.2 |
139.7 |
686.0 |
24 |
35 |
584 |
24 |
914 |
69.9 |
168.3 |
106.4 |
152.4 |
843.0 |
24 |
41 |
692 |
1500 LB. FLANGES
Normal
pipe
size |
Outside
dia. of
flange |
Minimum
thickness
of flange |
Overall Length |
Bolt
Circle |
No. and
Size of
Holes |
O.D.
of raised
face |
Welding
neck |
Slip-on
&
socket
welding |
Lap
Joint |
|
O |
Q |
Y |
Diam. |
No. |
dia. |
R |
1/2 |
12.1 |
22.3 |
60.3 |
31.8 |
31.8 |
82.5 |
4 |
22 |
35 |
3/4 |
130 |
25.4 |
69.8 |
34.9 |
34.9 |
89.0 |
4 |
22 |
43 |
1 |
149 |
28.6 |
73.0 |
41.3 |
41.3 |
101.5 |
4 |
25 |
51 |
1-1/4 |
159 |
28.6 |
73.0 |
41.3 |
41.3 |
111.0 |
4 |
25 |
64 |
1-1/2 |
178 |
31.8 |
82.6 |
44.4 |
44.4 |
124.0 |
4 |
29 |
73 |
2 |
216 |
38.1 |
101.6 |
57.2 |
57.2 |
165.0 |
8 |
25 |
92 |
2-1/2 |
244 |
41.3 |
104.8 |
63.5 |
63.5 |
190.5 |
8 |
29 |
105 |
3 |
267 |
47.7 |
117.5 |
73.0 |
73.0 |
203.0 |
8 |
32 |
127 |
3-1/2 |
|
|
|
|
|
|
|
|
|
4 |
311 |
54.0 |
123.8 |
90.5 |
90.5 |
241.5 |
8 |
35 |
157 |
5 |
375 |
73.1 |
155.5 |
104.8 |
104.8 |
292.0 |
8 |
41 |
186 |
6 |
394 |
82.6 |
171.4 |
119.1 |
119.1 |
317.5 |
12 |
38 |
216 |
8 |
483 |
92.1 |
212.7 |
142.9 |
142.9 |
393.5 |
12 |
45 |
270 |
10 |
584 |
108.0 |
254.0 |
158.8 |
177.8 |
482.5 |
12 |
51 |
324 |
12 |
673 |
123.9 |
282.9 |
181.0 |
219.1 |
571.5 |
16 |
54 |
381 |
14 |
749 |
133.4 |
298.4 |
----- |
241.3 |
635.0 |
16 |
60 |
413 |
16 |
826 |
146.1 |
311.2 |
----- |
260.4 |
705.0 |
16 |
51 |
470 |
18 |
914 |
162.0 |
327.0 |
------ |
276.2 |
474.5 |
16 |
73 |
538 |
20 |
984 |
117.8 |
355.4 |
----- |
292.1 |
832.0 |
16 |
80 |
584 |
24 |
1168 |
203.2 |
406.4 |
----- |
330.2 |
990.5 |
16 |
92 |
692 |
2500 LB. FLANGES
Normal
pipe
size |
Outside
dia. of
flange |
Minimum
thickness
of flange |
Overall Length |
Bolt
Circle |
No. and
Size of
Holes |
O.D. of
raised
face |
Welding
neck |
Slip-on
&
socket
welding |
Lap
Joint |
|
O |
Q |
Y |
Diam. |
No. |
dia. |
R |
1/2 |
133.4 |
30.2 |
73.0 |
39.7 |
39.7 |
88.9 |
4 |
22 |
34.9 |
3/4 |
139.7 |
31.8 |
79.4 |
42.9 |
42.9 |
95.3 |
4 |
22 |
42.9 |
1 |
158.8 |
34.9 |
88.9 |
47.6 |
47.6 |
108.0 |
4 |
25 |
50.8 |
1-1/4 |
184.2 |
38.1 |
95.3 |
52.4 |
52.4 |
130.2 |
4 |
29 |
63.5 |
1-1/2 |
203.2 |
44.5 |
111.1 |
60.3 |
60.3 |
146.0 |
4 |
32 |
73.0 |
2 |
235.0 |
50.8 |
127.0 |
69.9 |
69.9 |
171.5 |
8 |
29 |
92.1 |
2-1/2 |
266.7 |
57.2 |
142.9 |
79.4 |
79.4 |
196.9 |
8 |
32 |
104.8 |
3 |
304.8 |
66.7 |
168.3 |
92.1 |
92.1 |
228.6 |
8 |
35 |
127.0 |
3-1/2 |
|
|
|
|
|
|
|
|
|
4 |
355.6 |
76.2 |
190.5 |
108.0 |
108.0 |
273.0 |
8 |
41 |
157.2 |
5 |
419.1 |
92.1 |
228.6 |
130.2 |
130.2 |
323.9 |
8 |
48 |
185.7 |
6 |
482.6 |
108.0 |
273.1 |
152.4 |
152.4 |
268.3 |
8 |
54 |
215.9 |
8 |
552.5 |
127.0 |
317.5 |
177.8 |
177.8 |
438.2 |
12 |
54 |
269.9 |
10 |
673.1 |
165.1 |
419.1 |
228.6 |
228.6 |
539.8 |
12 |
67 |
323.9 |
12 |
762.0 |
184.2 |
463.6 |
254.0 |
254.0 |
619.1 |
12 |
73 |
381.03 |
14 |
--- |
--- |
--- |
--- |
--- |
--- |
-- |
--- |
--- |
16 |
--- |
--- |
--- |
--- |
--- |
--- |
-- |
--- |
--- |
18 |
--- |
--- |
--- |
--- |
--- |
--- |
-- |
--- |
-- |
20 |
--- |
--- |
--- |
--- |
--- |
--- |
-- |
--- |
-- |
24 |
--- |
--- |
--- |
--- |
--- |
--- |
-- |
--- |
-- |