Germany standard flange DIN 2576 for soldering or welding Nominal Pressure 10
Flansche, glatt zum löten oder schweißen DIN 2576 Nenndruck 10
Brides plates a souder DIN 2576 pression nominale 10
Pipe
Flange
Screws
Weight
(7,85 Kg/dm3)
Rated
Diameter
d1
d5
D
b
c
k
Holes
Thread
d2
Kg
ISO Series 1
DIN Series 2
15
–
20
21
95
14
5
65
4
M 12
14
0,675
21,3
–
22
0,669
20
–
25
26
105
16
5
75
4
M 12
14
0,749
26,9
–
27,6
0,936
25
–
30
31
115
16
5
85
4
M 12
14
1,14
33,7
–
34,4
1,11
32
–
38
39
140
16
5
100
4
M 16
18
1,66
42,4
–
43,1
1,62
40
–
44,5
45,5
150
16
5
110
4
M 16
18
1,89
48,3
–
49
1,86
50
–
57
58,1
165
18
6
125
4
M 16
18
2,51
60,3
–
61,1
2,47
65
76,1
–
77,1
185
18
6
145
4
M 16
18
3
80
88,9
–
90,3
200
20
7
160
8
M 16
18
3,79
100
–
108
109,6
220
20
7
180
8
M 16
18
4,2
114,3
–
115,9
4,03
125
–
133
134,8
250
22
7
210
8
M 16
18
5,71
139,7
–
141,6
5,46
150
–
159
161,1
285
22
7
240
8
M 20
22
6,72
168,3
–
170,5
6,57
200
219,1
–
221,8
340
24
7
295
8
M 20
22
9,31
250
–
267
270,2
395
26
7
350
12
M 20
22
12,5
273
–
276,2
11,9
300
323,9
–
327,6
445
26
7
400
12
M 20
22
13,8
350
355,6
–
359,7
505
28
7
460
16
M 20
22
20,6
–
368
372,2
19
400
406,4
–
411
565
32
7
515
16
M 24
26
27,9
–
419
423,7
25,9
450
457
–
462,5
615
38
7
565
20
M 24
26
35,6
500
508
–
513,6
670
38
7
620
20
M 24
26
41,1
NOTE:
1. Facing according to DIN 2526
Flat face:
Form A, Face without any requirements
Form B, Face Rz=160, machined (not smoother than 40µm)
Raised Face:
Form C, Face Rz=160, machined (not smoother than 40µm)
Form D, Face Rz=40, machined
Form E, Face Rz=16, machined
2. Tongue and groove according to DIN 2512
Form F, Tongue
Form N, Groove
3. Male and Female according to DIN 2513, DIN 2514
Form V13, V14, Male
Form R13, R16, Female
4. Chemfering for diaphragm-weld packings, PN64-PN400, according to DIN 2695
5. Facing for lens-shaped joints, PN64-PN400, according to DIN 2696