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 |