Mặt bích (flange) BS 4504 PN40
BS STANDARD - BS 4504 - PN40 - PLRF/FF
|
|
Nominal
|
D
|
C
|
h
|
Holes
|
do
|
t
|
G
|
f
|
Pipe Size
|
10
|
90
|
60
|
14
|
4
|
18
|
14
|
40
|
2
|
15
|
95
|
65
|
14
|
4
|
22
|
14
|
45
|
2
|
20
|
105
|
75
|
14
|
4
|
27
|
16
|
58
|
2
|
25
|
115
|
85
|
14
|
4
|
34.5
|
16
|
68
|
2
|
32
|
140
|
100
|
18
|
4
|
43.5
|
18
|
78
|
3
|
40
|
150
|
110
|
18
|
4
|
49.5
|
18
|
88
|
3
|
50
|
165
|
125
|
18
|
4
|
61.5
|
20
|
102
|
3
|
65
|
185
|
145
|
18
|
8
|
77.5
|
22
|
122
|
3
|
80
|
200
|
160
|
18
|
8
|
90.5
|
24
|
138
|
3
|
100
|
235
|
190
|
22
|
8
|
116
|
26
|
162
|
3
|
125
|
270
|
220
|
26
|
8
|
141.5
|
28
|
188
|
3
|
150
|
300
|
250
|
26
|
8
|
170.5
|
30
|
218
|
3
|
200
|
375
|
320
|
30
|
12
|
221.5
|
36
|
285
|
3
|
250
|
450
|
385
|
33
|
12
|
276.5
|
42
|
345
|
4
|
300
|
515
|
450
|
33
|
16
|
327.5
|
48
|
410
|
4
|
350
|
580
|
510
|
36
|
16
|
359.5
|
54
|
465
|
4
|
400
|
660
|
585
|
39
|
16
|
411
|
60
|
535
|
4
|
450
|
685
|
610
|
39
|
20
|
462
|
66
|
560
|
4
|
500
|
755
|
670
|
42
|
20
|
513.5
|
72
|
615
|
5
|
600
|
890
|
795
|
48
|
20
|
616.5
|
84
|
735
|
5
|