Mặt bích tiêu chuẩn Threaded Flange BS4504 PN25
THÔNG SỐ KỸ THUẬT:
BS STANDARD - BS 4504 - PN25 - THRF/FF
|
Nominal
|
D
|
C
|
h
|
Holes
|
t
|
H
|
M
|
G
|
f
|
R
|
|
Pipe Size
|
|
15
|
95
|
65
|
14
|
4
|
16
|
22
|
35
|
45
|
2
|
3
|
|
20
|
105
|
75
|
14
|
4
|
18
|
26
|
45
|
58
|
2
|
4
|
|
25
|
115
|
85
|
14
|
4
|
18
|
28
|
52
|
68
|
2
|
4
|
|
32
|
140
|
100
|
18
|
4
|
18
|
30
|
60
|
78
|
2
|
5
|
|
40
|
150
|
110
|
18
|
4
|
18
|
32
|
70
|
88
|
3
|
5
|
|
50
|
165
|
125
|
18
|
4
|
20
|
34
|
84
|
102
|
3
|
5
|
|
65
|
185
|
145
|
18
|
8
|
22
|
38
|
104
|
122
|
3
|
6
|
|
80
|
200
|
160
|
18
|
8
|
24
|
40
|
118
|
138
|
3
|
6
|
|
100
|
235
|
190
|
22
|
8
|
24
|
44
|
145
|
162
|
3
|
5
|
|
125
|
270
|
220
|
26
|
8
|
26
|
48
|
170
|
188
|
3
|
5
|
|
150
|
300
|
250
|
26
|
8
|
28
|
52
|
200
|
218
|
3
|
8
|
|
200
|
360
|
310
|
26
|
12
|
30
|
52
|
256
|
278
|
3
|
8
|
|
250
|
425
|
370
|
30
|
12
|
32
|
60
|
310
|
335
|
3
|
10
|
|
300
|
485
|
430
|
30
|
16
|
34
|
67
|
364
|
395
|
4
|
10
|