Mặt bích tiêu chuẩn Welding Neck Flanges BS4504 PN16
THÔNG SỐ KỸ THUẬT:
BS STANDARD - BS 4504 - PN16 - WNRF/FF
Nominal
|
D
|
C
|
h
|
Holes
|
A
|
do
|
t
|
H
|
H1
|
M
|
R
|
S
|
G
|
f
|
Pipe Size
|
10
|
90
|
60
|
14
|
4
|
17.2
|
17.2
|
14
|
35
|
6
|
28
|
3
|
1.8
|
40
|
2
|
15
|
95
|
65
|
14
|
4
|
21.3
|
21.3
|
14
|
35
|
6
|
32
|
3
|
2
|
45
|
2
|
20
|
105
|
75
|
14
|
4
|
26.9
|
26.9
|
16
|
38
|
6
|
39
|
4
|
2.3
|
58
|
2
|
25
|
115
|
85
|
14
|
4
|
33.7
|
33.7
|
16
|
38
|
6
|
46
|
4
|
2.6
|
68
|
2
|
32
|
140
|
100
|
18
|
4
|
42.4
|
42.4
|
16
|
40
|
6
|
56
|
5
|
2.6
|
78
|
2
|
40
|
150
|
110
|
18
|
4
|
48.3
|
48.3
|
16
|
42
|
7
|
64
|
5
|
2.6
|
88
|
3
|
50
|
165
|
125
|
18
|
4
|
60.3
|
60.3
|
18
|
45
|
8
|
74
|
5
|
2.9
|
102
|
3
|
65
|
185
|
145
|
18
|
4
|
76.1
|
76.1
|
18
|
45
|
10
|
92
|
6
|
2.9
|
122
|
3
|
80
|
200
|
160
|
18
|
8
|
88.9
|
88.9
|
20
|
50
|
10
|
110
|
6
|
3.2
|
138
|
3
|
100
|
220
|
180
|
18
|
8
|
114.3
|
114.3
|
20
|
52
|
12
|
130
|
6
|
3.6
|
162
|
3
|
125
|
250
|
210
|
18
|
8
|
139.7
|
139.7
|
22
|
55
|
12
|
158
|
6
|
4
|
188
|
3
|
150
|
285
|
240
|
22
|
8
|
168.3
|
168.3
|
22
|
55
|
12
|
184
|
8
|
4.5
|
212
|
3
|
200
|
340
|
295
|
22
|
12
|
219.1
|
219.1
|
24
|
62
|
16
|
234
|
8
|
5.6
|
268
|
3
|
250
|
405
|
355
|
26
|
12
|
273
|
273
|
26
|
70
|
16
|
288
|
10
|
6.3
|
320
|
3
|
300
|
460
|
410
|
26
|
12
|
323.9
|
323.9
|
28
|
78
|
16
|
342
|
10
|
7.1
|
370
|
4
|
350
|
520
|
470
|
26
|
16
|
355.6
|
355.6
|
30
|
82
|
16
|
390
|
10
|
8
|
430
|
4
|
400
|
580
|
525
|
30
|
16
|
406.4
|
406.4
|
32
|
85
|
16
|
444
|
10
|
8
|
482
|
4
|
450
|
640
|
585
|
30
|
20
|
457
|
457
|
34
|
87
|
16
|
490
|
12
|
8
|
532
|
4
|
500
|
715
|
650
|
33
|
20
|
508
|
508
|
34
|
90
|
16
|
546
|
12
|
8
|
585
|
4
|
600
|
840
|
770
|
36
|
20
|
610
|
610
|
36
|
95
|
18
|
650
|
12
|
8.8
|
685
|
5
|
700
|
910
|
840
|
36
|
24
|
711
|
711
|
36
|
100
|
18
|
750
|
12
|
8.8
|
800
|
5
|
800
|
1025
|
950
|
39
|
24
|
813
|
813
|
38
|
105
|
20
|
848
|
12
|
10
|
905
|
5
|
900
|
1125
|
1050
|
39
|
28
|
914
|
914
|
40
|
110
|
20
|
948
|
12
|
10
|
1005
|
5
|
1000
|
1255
|
1170
|
42
|
28
|
1016
|
1016
|
42
|
120
|
22
|
1056
|
12
|
10
|
1110
|
5
|
1200
|
1485
|
1390
|
48
|
32
|
1220
|
1220
|
48
|
130
|
30
|
1260
|
12
|
12.5
|
1330
|
5
|
1400
|
1685
|
1590
|
48
|
36
|
1420
|
1420
|
52
|
145
|
30
|
1465
|
12
|
14.2
|
1535
|
5
|
1600
|
1930
|
1820
|
56
|
40
|
1620
|
1620
|
58
|
160
|
35
|
1668
|
12
|
16
|
1760
|
5
|
1800
|
2130
|
2020
|
56
|
44
|
1820
|
1820
|
62
|
170
|
35
|
1870
|
15
|
17.5
|
1960
|
5
|
2000
|
2345
|
2230
|
62
|
48
|
2020
|
2020
|
66
|
190
|
40
|
2072
|
15
|
20
|
2170
|
5
|