Page 8
British Metric
Flange Comparison
D
k
d2
b
d4
f
Nom
Flange
Pitch Circle
No. and dia. Of
Dia. Of
Flange
Raised Face
Raised Face
Nom
Pipe
Diameter
Diameter
Bolts
Bolt Holes
Thickness
Diameter
Height
Pipe
Dia.
4504/4772
4504/4772
4504/4772
4504/4772
G1
D1
4504/4772
4504/4772
Dia
80
200
160
8 M16
19
22
19
132
3
80
100
220
180
8 M16
19
24
19
156
3
100
150
285
240
8 M20
23
26
19
211
3
150
200
340
295
8 M20
23
26
20
266
3
200
250
395
350
12 M20
23
28
22
319
3
250
300
445
400
12 M20
23
28
24.5
370
4
300
350
505
460
16 M20
23
30
24.5
429
4
350
400
565
515
16 M24
28
32
24.5
480
4
400
450
615
565
20 M24
28
32
25.5
530
4
450
500
670
620
20 M24
28
34
26.5
582
4
500
600
780
725
20 M27
31
34
30
682
5
600
700
895
840
24 M27
31
40
32.5
794
5
700
800
1015
950
24 M30
34
44
35
901
5
800
900
1115
1050
28 M30
34
46
37.5
1001
5
900
1000
1230
1160
28 M33
37
50
40
1112
5
1000
1100
1340
1270
32 M33
37
53
42.5
1218
5
1100
1200
1455
1380
32 M36
31
56
45
1328
5
1200
d2
K
D
d4
f
b
D
k
d2
b
d4
f
Nom
Flange
Pitch Circle
No. and dia. Of
Dia. Of
Flange
Raised Face
Raised face
Nom
Pipe
Diameter
Diameter
Bolts
Bolt Holes
Thickness
Diameter
Height
Pipe
Dia.
4504/4722
4504/4772
4504/4772
4504/4772
G1
D1
4504/4772
4504/4772
Dia.
80
200
160
8 M16
19
22
19
132
3
80
100
220
180
8 M16
19
24
19
156
3
100
150
285
240
8 M20
23
26
19
211
3
150
200
340
295
12 M20
23
30
20
266
3
200
250
405
355
12 M24
28
32
22
319
3
250
300
460
410
12 M24
28
32
24.5
370
4
300
350
520
470
16 M20
28
36
26.5
429
4
350
400
580
525
16 M27
31
38
28
480
4
400
450
640
585
20 M27
31
40
30
548
4
450
500
715
650
20 M30
34
42
31.5
609
4
500
600
840
770
20 M33
37
48
36
720
5
600
700
910
840
24 M33
37
54
39.5
794
5
700
800
1025
950
24 M36
41
58
43
901
5
800
900
1125
1050
28 M36
41
62
46.5
1001
5
900
1000
1255
1170
28 M39
44
66
50
1112
5
1000
1100
1355
1270
32 M39
44
-
53.5
1218
5
1100
1200
1485
1390
32 M45
50
-
57
1328
5
1200
D
k
d2
b
d4
f
Nom.
Flange
Pitch Circle
No. and dia. Of
Dia. Of
Flange
Raised Face
Raised Face
Nom
Pipe
Diameter
Diameter
Bolts
Bolt Holes
Thickness
Diameter
Diameter
Pipe
Dia
4504/4772
4504/4772
4504/4772
4504/4772
G1
D1
4504/4772
4504/4772
Dia.
80
200
160
8 M16
19
26
19
132
3
80
100
235
190
8 M20
23
28
19
156
3
100
150
300
250
8 M24
28
34
20
211
3
150
200
360
310
12 M24
28
34
22
274
3
200
250
425
370
12 M27
31
36
24.5
330
3
250
300
485
430
16 M27
31
40
27.5
389
4
300
350
555
490
16 M30
34
44
30
448
4
350
400
620
550
16 M33
37
48
32
503
4
400
450
670
600
20 M33
37
50
34.5
548
4
450
500
730
660
20 M33
37
52
36.5
609
4
500
600
845
770
20 M36
41
56
42
720
5
600