Flanges Dimension


150 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 89 11.2 47.6 15.9 15.9 60.5 4 15 35
3/4 117 15.9 57.2 25.4 25.4 82.5 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



300 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 22.2 666.5 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
4 254 318 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 --- --- --- --- --- --- -- --- --



2527 LB. FLANGES


NW D Flange k Raised Face Number Bolts Bolts Dia. of 
Bolt
Hole		 Weight of
One Flange
(7.85 kg/dm3)
b d4 f d2 Type-B
kg		 Type-C
kg
ND-6 10
15
20		 75
80
90		 12
12
14		 50
55
65		 35
40
50		 2
2
2		 4
4
4		 M10
M10
M10		 -
-
-		 11.5
11.5
11.5		 0.38
0.44
0.65		 0.33
0.38
0.59
25
32
40		 100
120
130		 14
14
14		 75
90
100		 60
70
80		 2
2
3		 4
4
4		 M10
M12
M12		 -
(1/2")
(1/2")		 11.5
14.0
14.0		 0.82
1.17
1.39		 0.74
1.07
1.21
50
65
80		 140
160
190		 14
14
16		 110
130
150		 90
110
128		 3
3
3		 4
4
4		 M12
M12
M16		 (1/2")
(1/2")
(3/8")		 14
14
18		 1.62
2.44
3.43		 1.43
2.21
3.09
100
125
150		 210
240
265		 16
18
18		 170
200
225		 148
178
202		 3
3
3		 4
8
8		 M16
M16
M16		 (5/8")
(5/8")
(5/8")		 18
18
18		 4.76
6.11
7.51		 4.37
5.68
7.02
(175)
200
250		 295
320
375		 20
20
22		 255
280
335		 232
258
312		 3
3
3		 8
8
12		 M16
M16
M16		 (5/8")
(5/8")
(5/8")		 18
18
18		 10.4
12.3
18.3		 9.85
11.7
17.6
300
350
400
500		 440
490
540
645		 22
22
22
24		 395
445
495
600		 365
415
465
570		 4
4
4
4		 12
12
16
20		 M20
M20
M20
M20		 (3/4")
(3/4")
(3/4")
(3/4")		 23
23
23
23		 25.3
31.6
38.4
60.4		 24.0
30.1
36.4
58.1
ND-10
(Note from 10 mm to 175 mm see ND-16		 200
250
300		 340
395
445		 24
26
26		 295
350
400		 268
320
370		 3
3
4		 8
12
12		 M20
M20
M20		 (3/4")
(3/4")
(3/4")		 23
23
23		 16.5
24.0
30.9		 15.6
23.1
29.4
350
400
500		 505
565
670		 26
26
28		 460
515
620		 430
482
585		 4
4
4		 16
16
20		 M20
M24
M24		 (3/4")
(3/4")
(3/4")		 23
27
27		 40.6
49.4
75.0		 38.0
47.5
72.7
ND-16
Note : For DIN 2527 ND-10-4 Holes		 10
15
20		 90
95
105		 14
14
16		 60
65
75		 40
45
58		 2
2
2		 4
4
4		 M12
M12
M12		 (1/2")
(1/2")
(1/2")		 14
14
14		 0.63
0.72
1.01		 0.56
0.64
0.93
25
32
40		 115
140
150		 14
14
16		 60
65
75		 40
45
58		 2
2
2		 4
4
4		 M12
M16
M16		 (1/2")
(5/8")
(5/8")		 14
18
18		 1.23
1.80
2.09		 1.13
1.66
1.85
50
65
80		 165
185
200		 18
18
20		 125
145
160		 102
122
138		 3
3
3		 4
4
4/8		 M16
M16
M16		 (5/8")
(5/8")
(5/8")		 18
18
18		 2.88
3.66
4.77		 2.59
3.33
4.34
100
125
150		 220
250
285		 20
22
22		 180
210
240		 158
188
212		 3
3
3		 8
8
8		 M16
M16
M16		 (5/8")
(5/8")
(5/8")		 18
18
18		 2.88
3.66
4.77		 2.59
3.33
4.34
100
125
150		 220
250
285		 20
22
22		 180
210
240		 158
188
212		 3
3
3		 8
8
8		 M16
M16
M20		 (5/8")
(5/8")
(3/4")		 18
18
23		 5.65
8.42
10.4		 5.26
7.67
9.85
(175)
200
250		 315
340
405		 24
24
26		 270
295
355		 242
268
320		 3
3
3		 8
12
12		 M20
M20
M20		 (3/4") 
(3/4") 
(7/8")		 23
23
27		 14.0
16.1
24.9		 13.5
15.6
23.9
300
350
400		 460
520
580		 28
30
32		 410
470
525		 378
438
490		 4
4
4		 12
16
16		 M24
M24
M27		 (7/8")
(7/8")
(1")		 27
27
30		 35.1
47.8
63.5		 33.6
46.2
61.5
500 715 34 650 610 4 20 M30 (1-1/8") 33 102 99.5
ND-25
Note: From 10mm to 150 mm
see ND-40
(175)
200
250		 330
360
425		 28
30
32		 280
310
370		 248
278
335		 3
3
3		 12
12
12		 M24
M24
M24		 (7/8")
(7/8")
(1")		 27
27
30		 17.3
22.3
33.5		 16.5
21.5
32.5
300
350
400		 485
555
620		 34
38
40		 430
490
550		 395
450
505		 4
4
4		 16
16
16		 M27
M30
M33		 (1")
(1-1/8")
(1- 1/4")		 30
33
36		 46.3
68.0
89.7		 44.7
65.9
87.0
500 730 44 660 615 4 20 M33 (1-1/4") 36 138 134
ND-40 10
15
20		 90
95
105		 16
16
16		 60
65
75		 40
45
58		 2
2
2		 4
4
4

M12
M12
M12

 (1/2")
(1/2")
(1/2")		 14
14
14		 0.72
0.81
1.24		 0.62
0.74
1.05
25
32
40		 115
140
150		 18
18
18		 85
100
110		 68
78
88		 2
2
2		 4
4
4		 M12
M12
M12		 (1/2")
(5/8")
(5/8")		 14
18
18		 1.38
2.03
2.35		 1.31
1.82
2.11
50
65
80		 165
185
200		 20
22
24		 125
145
160		 102
122
138		 3
3
3		 4
8
8		 M16
M16
M16		 (5/8") 
(5/8") 
(5/8")		 18
18
18		 3.20
4.29
5.88		 2.91
4.13
5.21
100
125
150		 235
270
300		 24
26
28		 190
220
250		 162
188
218		 3
3
3		 8
8
8		 M20
M24
M24		 (3/4")
(7/8") 
(7/8")		 23
27
27		 7.54
10.8
14.5		 7.08
10.4
13.9
175
200
250		 350
375
450		 32
34
38		 295
320
385		 260
285
345		 3
3
3		 12
12
12		 M27
M27
M27		 (1")
(1")
(1-1/8")		 30
30
30		 22.1
27.2
43.8		 21.3
26.2
43.1
300
350
400		 515
580
660		 42
46
50		 450
510
585		 410
465
535		 4
4
4		 16
16
16		 M30
M33
M36		 (1-1/8")
(1-1/8")
(1-1/8")		 33
36
39		 63.3
89.5
127		 62.2
87.2
124
500 755 52 670 615 4 20 M39 (1-1/2") 42 172 168


DIN 2576

FLANGES, SLIP-ON TYPE FOR BRITISH OR WELDING NOMINAL PRESSURE 10


Pipe Flange
Bolts Weight of
one flange
7.85 kg/
dm3) kg
NW d1 ds D b1 k Number Thread d2
10 14
17.2)		 14.5
17.7		 90 14 60 4 M12 (1/2") 14 0.613
0.605
15 20
21.3)		 20.5
21.8		 95 14 65 4 M12 (1/2") 14 0675
0.669
20 25
26.9)		 25.5
27.4		 105 16 75 4 M12 (1/2") 14 0.947
0.936
25 30
33.7)		 30.5
34.2		 115 16 85 4 M12 (1/2") 14 1.14
1.11
32 38
42.4)		 38.5
42.9		 140 16 100 4 M16 (5/8") 18 1.66
1.62
40 44.5
48.3)		 45
48.8		 150 16 110 4 M16 (5/8") 18 1.89
1.86
50 57
60.3)		 57.5
60.8		 165 18 125 4 M16 (5/8") 18 2.51
2.47
65 76.1) 76.6 185 18 145 4 M16 (5/8") 18 3.00
80 88.9) 89.4 200 20 160 4 M16 (5/8") 18 3.79
100 108
114.3)		 108.5
114.8		 220 20 180 8 M16 (5/8") 18 4.20
4.03
125 133
139.7)		 133.5
140.2		 250 22 210 8 M16 (5/8") 18 5.71
5.46
150 159
168.3)		 159.5
168.8		 285 22 210 8 M16 (3/4") 23 6.72
6.57
175 191
193.7)		 192
194.7		 315 24 270 8 M20 (3/4") 23 8.60
8.45
200 216
219.1)		 216
220.1		 340 24 295 8 M20 (3/4") 23 9.50
9.31
250 267
273)		 268
274		 395 26 350 12 M20 (3/4") 23 12.5
11.9
400 406.4
419		 407.4
420		 565 32 515 16 M24 (7/8") 27 27.9
25.9
500 508)
521		 509
522		 670 38 620 20 M24 (7/8") 27 37.9
41.1



DIN 2632

FLANGES, SLIP-ON TYPE FOR BRITISH OR WELDING NOMINAL PRESSURE 1


Pipe Flange Neck Raised
face		 Bolts
Weight of
one flange
7.85 kg/dm3)
kg
NW d1 D b k h1 d3 s f h2 d4 f No. Thread d2
200 216 340 24 295 62 232 5.9 10 16 268 3 8 M20 (3/4") 23 11.3
219.1 235
250 267 395 26 350 68 285 6.3 12 16 320 3 12 14.7
273 295
300 318 445 26 400 68 335 7.1 12 16 370 4 17.6
323.9 344
350 355.6 505 26 460 68 385 7.1 12 16 430 4 16 M24 (3/8") 27
368 21.4
400 406.4 565 26 515 72 440 7.1 12 16 482 4
419 26.1
500 508 670 28 620 75 542 7.1 12 16 585 4 20
521 34.7
600 609.6 780 28 725 80 642 7.1 12 18 685 5 M27 (1") 30
622 42.2


DIN 2633

WELDING NECK FLANGES NOMINAL PRESSURE 16


Pipe Flange Neck Raised
face		 Bolts Weight of 
one flange
7.85 kg/dm3)
kg
NW d1 D b k h1 d3 s r h2 d4 f No. Thread d2
10 14 90 14 60 35 25 1.8 4 6 40 2 4 M12 (1/2") 14 0.580
17.2 28
15 20 95 14 65 35 30 2 4 6 45 2 0.648
21.3 32
20 25 105 16 85 38 42 2.3 4 6 58 2 0.952
26.9 45
25 30 115 16 85 38 42 2.6 4 6 68 2 1.14
33.7 45
32 38 140 16 100 40 52 2.6 4 6 78 2
M16
(5/8")
18
 1.69
42.4 56
40 44.5 150 16 100 40 60 2.6 6 6 88 3 1.86
48.3 64
50 57 165 18 125 45 72 2.9 6 8 102 3 2.53
60.3 75
65 76.1 185 18 145 45 90 2.9 6 10 122 3 306
80 88.9 200 20 160 50 105 3.2 8 10 138 3 4/8 3.70
100 108 220 20 180 52 125 3.6 8 12 158 3
8
 4.62
114.3 131
125 133 250 22 210 55 150 4 8 12 188 3 6.30
139.7 156
150 159 285 22 240 55 150 4 8 12 188 3 M20 (3/4") 23 7.75
168.3 156
175 191 315 24 270 60 208 5.4 10 12 242 3 8
M20
(3/4")
23
 10.0
193.7 210
200 216 340 24 295 62 232 5.9 10 16 268 3
12
219.1 235 11.0
250 267 405 26 355 70 285 6.3 12 16 320 3
M24
(7/8")
27
 15.6
273 292
300 318 460 28 410 78 388 7.1 12 16 378 4 22.0
323.9 344
350 355.6 520 30 470 82 390 8 12 16 438 4 16
368 28.7
400 406.4 580 32 525 85 445 8 12 16 490 4 M27 (1") 30
419 36.3
500 508 715 34 650 90 548 8 12 16 610 4 20 M30 (1-1/8") 33
521 59.3
600 609.6 840 36 770 95 652 8.8 12 18 725 5 M33 (1-1/4") 36
622 73.4
700 711.2 910 36 840 100 755 8.8 12 18 795 5
24
720 75.0
800 812.8 1025 38 950 105 855 10 12 20 900 5 M36 (1-3/8") 39
820 99.0
900 914.4 1125 40 1050 110 955 10 12 20 1000 5 28
920 119
1000 1016 1255 42 1170 120 1058 10 16 22 1115 5
M39 (1-1/2") 42
1020 159


DIN 2634
WELDING NECK FLANGE NOMINAL PRESSURE 25

Pipe Flange Neck Raised
face		 Bolts Weight of
one flange
(7.85 kg/dm3)
kg.
NW d1 D b k h1 d3 s r h2 d4 f No. Thread d2
175 (191) 330 28 280 75 215 5.6 10 15 248 3 12
M24 (7/8") 27 13.4
193.7 218
200 216 360 30 310 80 240 6.3 10 16 278 3 17.0
219.1 244
250 267 425 32 370 88 292 7.1 12 18 335 3
M27
(1")
30
 24.4
273 298
300 318 485 34 430 92 345 8 12 18 395 4 16
323.9 352 31.2
350 355.6 555 38 490 100 398 8 12 20 450 4 M30 (1-1/8") 33
368 45.0
400 406.4 620 40 550 110 452 8.8 12 20 505 4
419 58.7
500 508 730 44 660 125 558 10 12 20 615 4
20
 M33 (1-1/4") 36
521 86.1
600 609.6 845 46 770 125 660 11 12 20 720 5 M36 (1-3/8") 39
622 101


DIN 2635
WELDING NECK FLANGES NOMINAL PRESSURE 40

Pipe Flange Neck Raised Bolts Weight of
one flange
7.85 kg/dm3)
kg
NW d1 D b k h1 d3 s r h2 d4 f No. Thread d2
10 14 90 16 60 35 25 1.8 4 6 40 2 4 M12 (1/2") 14 0.661
17.2 28
15 20 95 16 65 38 30 2 4 6 45 2
0.746
21.3 32
20 25 105 18 75 40 38 2.3 4 6 58 2
106
26.9 40
25 30 115 18 85 40 42 2.6 4 6 68 2
1.29
33.7 46
32 38 140 18 100 42 52 2.6 6 6 78 2
1.88
42.4 56
40 44.5 150 18 110 45 60 2.6 6 7 88 3
2.33
48.3 64
50 57 165 20 125 48 72 2.9 6 8 102 3
M16 (5/8") 18 2.82
60.3 75
65 76.1 185 22 145 52 90 2.9 6 10 122 3
3.74
80 88.9 200 24 160 58 105 3.2 8 12 138 3
4.75
100 108 235 24 190 65 128 3.6 8 12 138 3 8 M20 (3/4") 23 6.52
114.3 134
125 133 270 26 220 68 155 4 8 12 188 3 8 M24 (7/8") 27 9.07
139.7 162
150 159 300 28 250 75 182 4.5 10 12 188 3
M24 (7/8")
11.8
168.3 192
175 191 350 32 295 82 215 5.6 10 16 285 3 12 M27 (1") 30 18.2
193.7 218
200 216 375 34 320 88 240 6.3 10 16 285 3
21.5
219.1 244
250 267 450 38 385 105 298 7.1 12 18 345 3
34.9
273 306
300 318 515 42 450 115 352 8 12 18 410 4 16 M30 (1-1/8") 33 49.7
323.9 362
350 355.6 580 46 510 125 408 8.8 12 20 460 4
M33 (1-1/4") 36
368 68.1
400 406.4 660 50 585 135 462 11 12 20 535 4
M36 (1-3/8") 39
419 96.5
500 508 755 52 670 140 562 14.2 12 20 615 4 20 M39 (1-1/2") 42
521 117


DIN 2642, DIN Connections
LOOSE FLANGE FOR FLANGE COLLAR PN 10

Nom
Pipe 
size		 Flange
D
mm		 d5
mm		 b
mm		 r
mm		 k
mm

Drilling
Number

 d2
mm		 Weight
kg		 Collar
g
mm
10
15
20		 90
95
105		 16
23
28

16
16
16

5
5
5

 60
65
75		 4
4
4

15
15
15

 0.23
0.26
0.30		 45
50
60

25
32
40

 115
140
150		 33
42
50		 16
16
16

5
5
5

 85
100
110

4
4
4

 15
18
18		 0.37
0.54
0.5		 70
82
0.92
50
65
80		 165
185
200		 62
81
94		 18
18
20

5
5
5

 125
145
160

4
4
4

 18
18
18		 0.80
0.90
1.28		 107
127
142
100
125
150		 220
250
285		 113
138
164		 20
22
22

5
6
6

 180
210
240		 8
8
8		 18
18
22		 1.37
1.78
2.27		 162
192
218
175
200
250		 315
340
395		 195
222
273		 24
24
26

6
7
7

 270
295
350		 8
8
12		 22
22
22		 2.90
3.16
4.22		 248
273
328
300
350
400		 445
505
565		 324
374
426		 26
26
32

7
8
8

 400
460
515		 12
16
16		 22
22
25		 4.80
5.85
8.45		 378
438
490
450
500
600		 615
670
780		 475
530
630		 32
34
36

8
8
10

 565
620
725		 20
20
20		 25
25
30		 9.45
11.35
15.30		 540
595
695
700
800		 895
1015		 730
832		 40
44		 10
10		 840
950		 24
24		 30
34		 21.40
30.50		 810
916



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