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
101520
14
17.2*)
20
21.3*)
25
26.9*)
9095105
1416
606575
404558
222
444
M12M12M12
(1/2″)(1/2″)(1/2″)
141414
0.630.721.01
253240
30
33.7*)
38
42.4*)
44.5
48.3*)
115140150
161616
85100110
687888
223
444
M12M16M16
(1/2″)(5/8″)(5/8″)
141818
1.231.802.09
506580
57
60.3*)
76.1*)
88.9*)
165185200
181820
125145160
102122138
333
448
M16M16M16
(5/8″)(5/8″)(5/8″)
181818
2.883.664.77
100125150
108
114.3*)
133
139.7*)
159
168.3
220250285
202222
180210240
158188212
333
888
M16M16M20
(5/8″)(5/8″)(3/4″)
181823
5.658.4210.4
200250300
216
219.1*)
267
273*)
318
323.9*)
340405460
242628
295355410
268320378
334
121212
M20M24M24
(3/4″)(7/8″)(7/8″)
232727
16.124.935.1
350400500
355.6*)
368
406.4*)
419
508*)
521
520580715
303236
470525650
438490610
444
161620
M24M27M30
(7/8″)(1″)(1-1/8″)
273033
47.863.5102.0
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