N1??????????????ī???????GB??T13295-1991??
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(1)???????
N1??????е???
1-??? 2-??? 3-??? 4-??? 5-???? 6-????п? 7-??????
N1?????????????(mm)
|
??????DN |
?? ?? |
|
?п????????D1 |
???????????D2 |
?п????D3 |
A |
C |
P |
1 |
F |
R |
a |
M |
????? |
|
d |
n/?? |
|
100 |
262 |
210 |
138 |
18 |
12 |
95 |
10 |
75 |
40 |
10?? |
45 |
23 |
4 |
|
150 |
313 |
262 |
189 |
100 |
6 |
|
200 |
366 |
312 |
240 |
13 |
11 |
77 |
|
250 |
418 |
366 |
293.6 |
21 |
12 |
83 |
|
300 |
471 |
420 |
344.8 |
14 |
13 |
85 |
8 |
|
350 |
524 |
474 |
3916 |
15 |
87 |
10 |
|
400 |
578 |
526 |
477.6 |
24 |
14 |
89 |
|
500 |
686 |
632 |
552 |
16 |
15 |
97 |
50 |
24 |
14 |
|
600 |
794 |
740 |
654.8 |
26 |
110 |
16 |
101 |
60 |
16 |
(2)????
1)???????????????12??3??????????????У??????????????????????ƒm(mm)??????????Ч????1(m)??1.25??????ƒm??1.251??
2)?????????????????????
(3)????
????????????????????????ī????????????????-????????????ī??
(4)????????????
??????????????
|
??????DN??mm |
????????b??MPa |
????????0.2??Mea |
?????(??) |
|
?? |
|
100??1 000 |
420 |
300 |
10 |
|
1200 |
7 |
???
1.?????????????Э??????????й漲??????????á?
2.???????????л?е???????????????????????230HBS??
?????????????
|
??????
DN??mm |
?????????MPa |
|
K8 |
K9 |
K10 |
K12 |
?????????? |
|
??300 |
4 |
5 |
10 |
|
350??600 |
3.2 |
4 |
5 |
7.2 |
8 |
|
700??1000 |
2.5 |
3.2 |
4 |
6 |
6 |
|
1200 |
1.8 |
2.5 |
3.2 |
4 |
4 |
|
|
|
|
|
|
|
|
????????????????????????????????????飬????????????????????????С??0.3MPa??????????????Э???????
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???????????0510-88264321??88223334 ???棺0510-88223334 ?????18921237777
|
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