THÔNG SỐ KỸ THUẬT: Mặt bích mù JIS 20K
|
JIS STANDARD - 20K BLRF/FF
|
|
|
|
Nominal
|
D
|
C
|
h
|
Holes
|
G
|
f
|
t
|
KG
|
|
Pipe Size
|
|
3/8"
|
10
|
90
|
65
|
15
|
4
|
46
|
1
|
14
|
0.59
|
|
1/2"
|
15
|
95
|
70
|
15
|
4
|
51
|
1
|
14
|
0.6
|
|
3/4"
|
20
|
100
|
75
|
15
|
4
|
56
|
1
|
16
|
0.79
|
|
1"
|
25
|
125
|
90
|
19
|
4
|
67
|
1
|
16
|
1.22
|
|
1.1/4"
|
32
|
135
|
100
|
19
|
4
|
76
|
2
|
18
|
1.66
|
|
1.1/2"
|
40
|
140
|
105
|
19
|
4
|
81
|
2
|
18
|
1.79
|
|
2"
|
50
|
155
|
120
|
19
|
8
|
96
|
2
|
18
|
2.09
|
|
2.1/2"
|
65
|
175
|
140
|
19
|
8
|
116
|
2
|
20
|
3.08
|
|
3"
|
80
|
200
|
160
|
23
|
8
|
132
|
2
|
22
|
4.41
|
|
3.1/2"
|
90
|
210
|
170
|
23
|
8
|
145
|
2
|
24
|
4.92
|
|
4"
|
100
|
225
|
185
|
23
|
8
|
160
|
2
|
24
|
6.29
|
|
5"
|
125
|
270
|
225
|
25
|
8
|
195
|
2
|
26
|
9.21
|
|
6"
|
150
|
305
|
260
|
25
|
12
|
230
|
2
|
28
|
12.7
|
|
7"
|
200
|
350
|
305
|
25
|
12
|
275
|
2
|
30
|
18.4
|
|
8"
|
250
|
430
|
380
|
27
|
12
|
345
|
2
|
34
|
30.4
|
|
9"
|
300
|
480
|
430
|
27
|
16
|
395
|
3
|
36
|
40.5
|
|
10"
|
350
|
540
|
480
|
33
|
16
|
440
|
3
|
40
|
57.5
|
|
12"
|
400
|
605
|
540
|
33
|
16
|
495
|
3
|
46
|
81.7
|
|
14'
|
450
|
675
|
605
|
33
|
20
|
560
|
3
|
48
|
107
|
|
16"
|
500
|
730
|
660
|
33
|
20
|
615
|
3
|
50
|
132
|
|
18"
|
550
|
795
|
720
|
39
|
20
|
670
|
3
|
52
|
163
|
|
20"
|
600
|
845
|
770
|
39
|
24
|
720
|
3
|
56
|
192
|
Kỹ thuật Mr. Đỉnh
