Flanges & Pipe fittings

  
Flanges

DIN STANDARD FLANGES

 6  BAR
DIN 2573 SLIP-ON FLANGES
DIN 2527 BLAND FLANGES
DIN 2631 WELDING NECK FLANGES
                                                                   Unit mm
Bore
Common Dimension
Hub
Raised Face
Drlling
Approx
Weight(kg)
Nominal
Bore
d1
D
t
K
T
d3
s
r
a
d4
f
Number of Bolt
x
d2
Din
2573
Din
2631
Welding
Neck
Slip on
Blind
10

14
17.2*)
75
12
12
12
50

28
22
26
1.8
4
6
35
2
4
M10
-
11.5
0.036
0.335
15
20
 21.3*)
80
12
12
12
55
30
28
30
2.0
4
6
40
2
4
M10
-
11.5
0.410
0.329
20
25
26.9*)
90
14
14
14
65
32
35
38
2.3
4
6
50
2
4
M10
-
11.5
0.600
0.592
25
30
33.7*)
100
14
14
14
75
35
40
42
2.6
4
6
60
2
4
M10
-
11.5
0.740
0.747
32
38
42.4*)
120
14
16
14
90
35
50
55
2.6
6
6
70
2
4
M12
(1/2")
14
1.19
1.05
40
44.5
48.3*)
130
14
16
14
100
38
58
62
2.6
6
7
80
3
4
M12
(1/2")
14
1.39
1.18
50
57
60.3*)
140
14
16
14
110
38
70
74
2.9
6
8
90
3
4
M12
(1/2")
14
1.53
1.34
65
76.1*)
160
14
16
14
130
38
88
2.9
6
9
110
3
4
M12
(1/2")
14
1.89
1.67
80
88.9*)
190
16
18
16
150
42
102
3.2
8
10
128
3
4
M16
(1/2")
18
2.98
2.71
100
108
114.3*)
210
16
18
16
170
45
122
130
3.6
8
10
148
3
4
M16
(5/8")
18
3.46
3.24
125
133
139.7*)
240
18
20
18
200
48
148
155
4.0
8
10
178
3
8
M16
(5/8")
18
4.60
4.49
150
159
168.3*)
265
18
20
18
225
48
172
184
4.5
10
12
202
3
8
M16
(5/8")
18
5.22
5.15
200
216
219.1*)
320
20
22
20
280
55
230
236
5.9
10
15
258
3
8
M16
(5/8")
18
7.15
7.78
250
267
273*)
375
22
24
22
335
60
282
290
6.2
12
15
312
3
12
M16
(5/8")
18
9.61
10.8
300
318
323.9*)
440
22
24
22
395
62
335
342
7.1
12
15
365
4
12
M20
(3/4")
23
12.6
14.0
350
355.6*)
368
490
22
26
22
445
62
385
7.1
12
15
415
4
12
M20
(3/4")
23
15.6
16.1
400
406.4*)
419
540
22
28
22
495
65
438
7.1
12
15
455
4
16
M20
(3/4")
23
18.4
18.3
500
508*)
521
645
24
30
24
600
68
538
7.1
12
15
570
4
20
M20
(3/4")
23
24.5
24.6
600
609*)
622
755
24
 
 
705
70
640
7.1
12
16
670
5
20
M24
(7/8")
27
 
 
700
711.2*)
720
860
24
 
 
810
70
740
7.1
12
16
775
5
24
M24
(7/8")
27
 
 
800
812.8*)820
975
24
 
 
920
70
842
7.1
12
16
880
5
24
M27
(1")
30
 
 
900
914.4*)
920
1075
26
 
 
1020
70
942
7.1
12
16
980
5
24
M27
(1")
30
 
 
1000
1016*)
1020
1175
26
 
 
1120
70
1045
7.1
16
16
1080
5
28
M27
(1")
30
 
 

 

 16  BAR
DIN 2543 SLIP-ON FLANGES
DIN 2527 BLAND FLANGES
DIN 2633 WELDING NECK FLANGES
                                                                                  Unit mm

Bore
Common Dimension
Hub
Raised Face
Drlling
Approx
Weight(kg)
Nominal
Bore
d1
D
t
K
T
d3
s
r
a
d4
f
Number
of
Bolt
Dia. of Bolt
d2
Din
2543
Din
2633
Welding
Neck
Slip on
Blind
10

14
17.2*)
90
14
 
14
60

35
25
28
1.8
4
6
40
2
4
M12
(1/2")
14
0.63
0.58
15
20
 21.3*)
95
14
14
14
65
35
30
32
2.0
4
6
45
2
4
M12
(1/2")
14
0.72
0.48
20
25
26.9*)
105
16
16
16
75
38
38
40
2.3
4
6
58
2
4
M12
(1/2")
14
1.01
0.952
25
30
33.7*)
115
16
16
16
85
38
42
45
2.6
4
6
68
2
4
M12
(1/2")
14
1.23
1.14
32
38
42.4*)
140
16
16
16
100
40
52
56
2.6
6
6
78
2
4
M16
(5/8")
18
1.80
1.69
40
44.5
48.3*)
150
16
16
16
110
42
60
64
2.6
6
7
88
3
4
M16
(5/8")
18
2.09
1.86
50
57
60.3*)
165
18
18
18
125
45
72
75
2.9
6
8
102
3
4
M16
(5/8")
18
2.88
2.53
65
76.1*)
185
18
18
18
145
45
90
2.9
6
10
122
3
4
M16
(5/8")
18
3.66
3.06
80
88.9*)
200
20
20
20
160
50
105
3.2
8
10
138
3
8
M16
(5/8")
18
4.77
3.70
100
108
114.3*)
220
20
20
20
180
52
125
131
3.6
8
12
158
3
8
M16
(5/8")
18
5.65
4.62
125
133
139.7*)
250
22
22
22
210
55
150
156
4.0
8
12
188
3
8
M16
(5/8")
18
8.42
6.30
150
159
168.3*)
285
22
22
22
240
55
175
184
4.5
10
12
212
3
8
M20
(3/4")
23
10.4
7.75
200
216
219.1*)
340
24
24
24
295
62
232
235
5.9
10
16
268
3
12
M20
(3/4")
23
16.1
11.0
250
267
273*)
405
26
26
26
355
70
285
292
6.3
12
16
320
3
12
M24
(7/8")
27
24.9
15.6
300
318
323.9*)
460
28
28
28
410
78
338
344
7.1
12
16
378
4
12
M24
(7/8")
27
35.1
22.0
350
355.6*)
368
520
30
30
30
470
82
390
8.0
12
16
438
4
16
M24
(7/8")
27
47.8
31.2
400
406.4*)
419
580
32
32
32
525
85
445
8.0
12
16
490
4
16
M27
(1")
30
63.5
39.3
500
508*)
521
715
34
36
34
650
90
548
8.0
12
16
610
4
20
M30
(1 1/8")
33
102.0
61.0
600
609*)
622
840
36
40
 
770
95
652
8.8
12
18
725
5
20
M33
(1 1/4")
36
 
 
700
711.2*)
720
910
36
 
    
840
100
755
8.8
12
18
795
5
24
M33
(1 1/4")
36
     
    
800
812.8*)
820
1025
38
 
 
950
105
855
10.0
12
20
900
5
24
M36
(1 3/8")
39
 
    
900
914.4*)
920
1125
40
 
 
1050
110
955
10.0
12
20
1000
5
28
M36
(1 3/8")
39
 
     
1000
1016*)
1020
1255
42
 
 
1170
120
1058
10.0
16
20
1115
5
28
M39
(1 1/2")
42