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40BAR
 ĦĦDIN 2545 Slip-On Flanges
ĦĦDIN 2527 Blind Flanges
ĦĦDIN 2635 Welding Neck Flanges

 
BORE
COMMON DIMENSION
HUB
RAISED FACE
DRILLING
NOMINAL BORE
d1
D
t
k
T
d3
s
r
a~
d4
f
NUMBER OF BOLT
DIA. OF BOLT
d2
welding neck
slip-on(NO-Hub)
blind
10
14 17.2 *)
90
16
ĦĦ
16
60
35
25 28
1.8
4
6
40
2
4
M12
(1/2")
14
15
20 21.3 *)
95
16
16
16
65
38
30 32
2.0
4
6
45
2
4
M12
(1/2")
14
20
25 26.9 *)
105
18
18
18
75
40
38 40?
2.3
4
6
58
2
4
M12
(1/2")
14
25
30 33.7 *)
115
18
18
18
85
40
42 46
2.6
4
6
68
2
4
M12
(1/2")
14
32
38 42.4 *)
140
18
18
18
100
42
52 56
2.6
6
6
78
2
4
M16
(5/8")
18
40
44.5 48.3 *)
150
18
18
18
110
45
60 64
2.6
6
7
88
3
4
M16
(5/8")
18
50
57 60.3 *)
165
20
20
20
125
48
72 75
2.9
6
8
102
3
4
M16
(5/8")
18
65
76.1 *)
185
22
22
22
145
52
90
2.9
6
10
122
3
8
M16
(5/8")
18
80
88.9 *)
200
24
24
24
160
58
105
3.2
8
12
138
3
8
M16
(5/8")
18
100
108 114.3 *)
235
24
24
24
190
65
128 134
3.6
8
12
162
3
8
M20
(3/4")
23
125
133 139.7 *)
270
26
26
26
220
68
155 162
4.0
8
12
188
3
8
M24
(7/8")
27
150
159 168.3 *)
300
28
28
28
250
75
182 192
4.5
10
12
218
3
8
M24
(7/8")
27
(175)
(191) 114.3 *)
350
32
32
32
295
82
215 218
5.6
10
15
260
3
12
M27
(1")
30
200
216 219.7 *)?
375
34
34
34
320
88
240 244
6.3
10
16
285
3
12
M27
(1")
30
250
267 273 *)
450
38
38
38
385
105
298 306
7.1
12
18
345
3
12
M30
(1-1/8")
33
300
318323.9 *)
515
42
42
42
450
115
352
8.0
12
18
410
4
16
M30
(1-1/8")
33
350
355.6 *) 368
580
46
46
46
510
125
362 408
8.8
12
20
465
4
16
M33
(1-1/4")
36
400
406.4 *) 419
660
50
50
50
585
135
462
11.0
12
20
535
4
16
M36
(1-3/8")
39
500
508 *)521
755
52
52
52
670
140
562
14.2
12
20
615
4
20
M39
(1-1/2")
42
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