Germany standard flange DIN 2543 for soldering or welding Nominal Pressure 16
Flansche, glatt zum löten oder schweißen DIN 2543 Nenndruck 16
Brides plates a souder DIN 2543 pression nominale 16
Bore
Common Dimension
Raised Face
Drilling
Approx.
Weight (Kg)
Nominal Bore
d1
D
t
K
d4
f
Number of Bolts
x
d2
DIN 2543
1015
20
14
17.2*)
20
21.3*)
25
26.9*)
9095
105
14
16
6065
75
4045
58
22
2
44
4
M12M12
M12
(1/2″)(1/2″)
(1/2″)
1414
14
0.630.72
1.01
2532
40
30
33.7*)
38
42.4*)
44.5
48.3*)
115140
150
1616
16
85100
110
6878
88
22
3
44
4
M12M16
M16
(1/2″)(5/8″)
(5/8″)
1418
18
1.231.80
2.09
5065
80
57
60.3*)
76.1*)
88.9*)
165185
200
1818
20
125145
160
102122
138
33
3
44
8
M16M16
M16
(5/8″)(5/8″)
(5/8″)
1818
18
2.883.66
4.77
100125
150
108
114.3*)
133
139.7*)
159
168.3
220250
285
2022
22
180210
240
158188
212
33
3
88
8
M16M16
M20
(5/8″)(5/8″)
(3/4″)
1818
23
5.658.42
10.4
200250
300
216
219.1*)
267
273*)
318
323.9*)
340405
460
2426
28
295355
410
268320
378
33
4
1212
12
M20M24
M24
(3/4″)(7/8″)
(7/8″)
2327
27
16.124.9
35.1
350400
500
355.6*)
368
406.4*)
419
508*)
521
520580
715
3032
36
470525
650
438490
610
44
4
1616
20
M24M27
M30
(7/8″)(1″)
(1-1/8″)
2730
33
47.863.5
102.0
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