Tiêu Chuẩn Mặt Bích DIN 2502 , DIN 2503
|
DIN 2502 PN 16 (in mm)
|
|
Nominal Pipe Size
|
Diameter of
|
Flange Dia
|
Flange I.D
|
Thk of Flanges
|
Dia of Bolt Cirlce
|
No. of
|
Dia of Bolt Holes
|
|
|
DN
|
Pipe
|
D
|
D5
|
B
|
K
|
holes
|
D2
|
KG
|
|
10
|
17.20
|
90
|
17.70
|
14
|
60
|
4
|
14
|
0.60
|
|
15
|
21.30
|
95
|
22.00
|
14
|
65
|
4
|
14
|
0.67
|
|
20
|
26.90
|
105
|
27.60
|
16
|
75
|
4
|
14
|
0.94
|
|
25
|
33.70
|
115
|
34.40
|
16
|
85
|
4
|
14
|
1.11
|
|
32
|
42.40
|
140
|
43.10
|
16
|
100
|
4
|
18
|
1.62
|
|
40
|
48.30
|
150
|
49.00
|
16
|
110
|
4
|
18
|
1.85
|
|
50
|
60.30
|
165
|
61.10
|
18
|
125
|
4
|
18
|
2.46
|
|
65
|
76.10
|
185
|
77.10
|
18
|
145
|
4
|
18
|
2.99
|
|
80
|
88.90
|
200
|
90.30
|
20
|
160
|
8
|
18
|
3.61
|
|
100
|
114.30
|
220
|
115.90
|
20
|
180
|
8
|
18
|
3.99
|
|
125
|
139.70
|
250
|
141.60
|
22
|
210
|
8
|
18
|
5.41
|
|
150
|
168.30
|
285
|
170.50
|
22
|
240
|
8
|
22
|
6.55
|
|
175
|
193.70
|
315
|
196.10
|
24
|
270
|
8
|
22
|
8.42
|
|
200
|
219.10
|
340
|
221.80
|
24
|
295
|
12
|
22
|
8.97
|
|
250
|
273.00
|
405
|
276.20
|
26
|
355
|
12
|
26
|
12.76
|
|
300
|
323.90
|
460
|
327.60
|
28
|
410
|
12
|
26
|
16.60
|
|
350
|
355.60
|
520
|
359.70
|
30
|
470
|
16
|
26
|
24.08
|
|
400
|
406.40
|
580
|
411.00
|
32
|
525
|
16
|
30
|
30.20
|
|
450
|
457.00
|
640
|
462.30
|
38
|
585
|
20
|
30
|
41.67
|
|
500
|
508.00
|
715
|
513.60
|
38
|
650
|
20
|
33
|
52.87
|
|
600
|
610.00
|
840
|
616.50
|
42
|
770
|
20
|
36
|
77.58
|
|
700
|
711.00
|
910
|
716.00
|
44
|
840
|
24
|
36
|
77.13
|
|
800
|
813.00
|
1025
|
818.00
|
50
|
950
|
24
|
39
|
106.35
|
|
900
|
914.00
|
1125
|
920.00
|
54
|
1050
|
28
|
39
|
125.39
|
|
1000
|
1016.00
|
1255
|
1022.00
|
60
|
1170
|
28
|
42
|
177.99
|
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