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DESCRIPTION OF INSULATE UNION |

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Եͷȼʯ͹ϵͳвȱٵҪܵҪӦȼϵͳȼѹվǽȼ
ߵĸμ䡢ȼѹվ߼໥Ե룬䲻ܵ绯ѧʴӳʹֱʹá |
|
Ʒṹ͹Ôí£º |
|
ʽԵͷɣϡ¹ܡͲԵܷԵͿ㡣ھԵͷϡ¹ܶԽӶ
ԵܷγɾоԵܵ˫ܷṹͲ¿ںӻϵֱӺʽԵϡ¹ι
棬γɡܷӶȱ֤õľԵЧִ˾Եṹijѹ |
|
THE PRESSURE GRADES
OF INSULATE UNION |
|
|
PN25ѹȼ |
| ͺ |
|
NPS |
A |
B |
L |
ֹܲ |
| DN25-25 |
DN25 |
1 |
34 |
4 |
250 |
20
GB/T8163 |
| DN40-25 |
DN40 |
11/2 |
48 |
4 |
300 |
| DN50-25 |
DN50 |
2 |
60 |
4 |
350 |
| DN50B-25 |
57 |
4 |
350 |
| DN65-25 |
DN65 |
21/2 |
76 |
5 |
350 |
| DN80-25 |
DN80 |
3 |
89 |
5 |
400 |
| DN100-25 |
DN100 |
4 |
114 |
5 |
400 |
| DN100B-25 |
108 |
5 |
400 |
| DN125-25 |
DN125 |
5 |
140 |
6 |
500 |
| DN150-25 |
DN150 |
6 |
168 |
7 |
500 |
| DN150B-25 |
159 |
7 |
500 |
| DN200-25 |
DN200 |
8 |
219 |
7 |
500 |
| DN250-25 |
DN250 |
10 |
273 |
8 |
800 |
| DN300-25 |
DN300 |
12 |
325 |
8 |
800 |
| DN400-25 |
DN400 |
16 |
406 |
8 |
900 |
16MnR
GB6654 |
| DN400B-25 |
426 |
8 |
900 |
| DN500-25 |
DN500 |
20 |
508 |
10 |
900 |
| DN500B-25 |
530 |
10 |
900 |
| DN600-25 |
DN600 |
24 |
610 |
10 |
1000 |
| DN600B-25 |
630 |
10 |
1000 |
|
|
PN40ѹȼ |
| ͺ |
|
NPS |
A |
B |
L |
ֹܲ |
| DN25-40 |
DN25 |
1 |
34 |
4 |
250 |
20
GB/T8163 |
| DN50-40 |
DN50 |
2 |
60 |
4 |
350 |
| DN50B-40 |
57 |
4 |
350 |
| DN65-40 |
DN65 |
21/2 |
76 |
5 |
350 |
| DN80-40 |
DN80 |
3 |
89 |
5 |
400 |
| DN100-40 |
DN100 |
4 |
114 |
5 |
400 |
| DN100B-40 |
108 |
5 |
400 |
| DN125-40 |
DN125 |
5 |
140 |
6 |
500 |
| DN125B-40 |
133 |
6 |
500 |
| DN150-40 |
DN150 |
6 |
168 |
7 |
500 |
| DN150B-40 |
159 |
7 |
500 |
| DN200-40 |
DN200 |
8 |
219 |
7 |
500 |
| DN250-40 |
DN250 |
10 |
273 |
8 |
800 |
| DN300-40 |
DN300 |
12 |
325 |
10 |
800 |
| DN350-40 |
DN350 |
14 |
356 |
12 |
900 |
| DN350B-40 |
377 |
12 |
900 |
|
| PN64ѹȼ |
| ͺ |
|
NPS |
A |
B |
L |
ֹܲ |
| DN25-64 |
DN25 |
1 |
34 |
4 |
250 |
20
GB/T8163 |
| DN50B-64 |
DN50 |
2 |
57 |
4 |
350 |
| DN65-64 |
DN65 |
21/2 |
76 |
5 |
350 |
| DN80-64 |
DN80 |
3 |
89 |
5 |
400 |
| DN100-64 |
DN100 |
4 |
114 |
5 |
500 |
16Mn
GB/T6479 |
| DN100B-64 |
108 |
5 |
500 |
| DN125-64 |
DN125 |
5 |
140 |
6 |
600 |
| DN125B-64 |
133 |
6 |
600 |
| DN150-64 |
DN150 |
6 |
168 |
7 |
600 |
| DN150B-64 |
159 |
7 |
600 |
| DN200-64 |
DN200 |
8 |
219 |
8 |
600 |
| DN250-64 |
DN250 |
10 |
273 |
10 |
800 |
| DN300-64 |
DN300 |
12 |
325 |
12 |
800 |
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