计等级 |
常温下试验压力(MPa) |
适用温度℃ |
适用介质 |
|||||||
壳体 |
左密封 |
左密封 |
低压密封 |
“G”型 |
“D”型 |
普通型 |
“抗硫”型 |
“基本”型 |
||
公称压力PN(MPa) |
1.6 |
2.4 |
1.76 |
1.76 |
0.6 |
-29~50 |
-45~21 |
-2~121 |
H2S和CO2总含量大于500mg/m2的介质 |
石油天然气、水等 |
2.5 |
3.75 |
2.75 |
2.75 |
0.6 |
||||||
4.0 |
6.0 |
4.4 |
4.4 |
0.6 |
||||||
6.4 |
9.6 |
7.04 |
7.04 |
0.6 |
||||||
磅级Lb |
150 |
3.0 |
2.2 |
2.2 |
0.6 |
|||||
300 |
7.7 |
5.6 |
5.6 |
0.6 |
1.6MPa |
DN |
L |
D |
D1 |
D2 |
Do |
f |
H |
H1 |
n-Φd |
|
凸面法法 |
50 |
178 |
160 |
125 |
100 |
250 |
3 |
16 |
584 |
80 |
4-Φ18 |
65 |
190 |
180 |
145 |
120 |
250 |
3 |
18 |
634 |
95 |
4-Φ18 |
|
80 |
203 |
195 |
160 |
135 |
250 |
3 |
20 |
688 |
100 |
8-Φ18 |
|
100 |
229 |
215 |
181 |
155 |
300 |
3 |
20 |
863 |
114 |
8-Φ18 |
|
125 |
254 |
245 |
210 |
185 |
350 |
3 |
22 |
940 |
132 |
8-Φ18 |
|
150 |
267 |
280 |
240 |
210 |
350 |
3 |
24 |
1030 |
150 |
8-Φ23 |
|
200 |
292 |
335 |
295 |
265 |
350 |
3 |
26 |
1277 |
168 |
12-Φ23 |
|
250 |
330 |
405 |
355 |
320 |
400 |
3 |
30 |
1491 |
203 |
12-Φ25 |
|
300 |
356 |
460 |
410 |
375 |
450 |
4 |
30 |
1701 |
237 |
12-Φ25 |
|
350 |
381 |
520 |
470 |
435 |
500 |
4 |
34 |
1875 |
265 |
16-Φ30 |
|
400 |
406 |
580 |
525 |
485 |
305 |
4 |
36 |
2180 |
300 |
16-Φ30 |
|
450 |
432 |
640 |
585 |
545 |
305 |
4 |
40 |
2440 |
325 |
20-Φ34 |
|
500 |
457 |
705 |
650 |
608 |
305 |
4 |
44 |
2860 |
360 |
20-Φ41 |
|
600 |
508 |
840 |
770 |
718 |
305 |
5 |
48 |
3450 |
425 |
20-Φ41 |
|
700 |
610 |
910 |
840 |
788 |
305 |
5 |
50 |
3960 |
460 |
24-Φ41 |
|
800 |
660 |
1020 |
950 |
898 |
305 |
5 |
52 |
4550 |
512 |
24-Φ41 |
|
900 |
711 |
1120 |
1050 |
998 |
250 |
5 |
54 |
5250 |
565 |
28-Φ48 |
|
1000 |
811 |
1250 |
1170 |
1110 |
250 |
5 |
56 |
5870 |
630 |
28-Φ18 |
|
2.5MPa |
50 |
178 |
160 |
125 |
100 |
250 |
3 |
20 |
584 |
80 |
4-Φ18 |
凸面法法 |
65 |
190 |
180 |
145 |
120 |
300 |
3 |
22 |
634 |
95 |
8-Φ18 |
80 |
203 |
195 |
160 |
135 |
350 |
3 |
22, |
388 |
100 |
8-Φ18 |
|
100 |
229 |
230 |
190 |
160 |
350 |
3 |
24 |
863 |
114 |
8-Φ23 |
|
125 |
254 |
270 |
220 |
188, |
350 |
3 |
28 |
940 |
132 |
8-Φ25 |
|
150 |
267 |
300 |
250 |
218 |
400 |
3 |
30 |
1030 |
150 |
8-Φ25 |
|
200 |
292 |
360 |
310 |
278 |
450 |
3 |
34 |
1277 |
168 |
12-Φ25 |
|
250 |
330 |
425 |
370 |
332 |
500 |
3 |
36 |
1491 |
203 |
12-Φ30 |
|
300 |
356 |
485 |
430 |
390 |
305 |
4 |
40 |
1701 |
237 |
16-Φ30 |
|
350 |
381 |
550 |
490 |
448 |
305 |
4 |
44 |
1875 |
265 |
16-Φ34 |
|
400 |
406 |
610 |
550 |
505 |
305 |
4 |
48 |
2180 |
300 |
16-Φ34 |
|
450 |
432 |
660 |
600 |
555 |
305 |
4 |
50 |
2440 |
325 |
20-Φ34 |
|
500 |
457 |
730 |
660 |
610 |
305 |
4 |
52 |
2860 |
360 |
20-Φ41 |
|
600 |
508 |
840 |
770 |
718 |
305 |
5 |
56 |
3450 |
425 |
20-Φ41 |
|
700 |
610 |
955 |
875 |
815 |
305 |
5 |
60 |
3960 |
460 |
24-Φ48 |
|
800 |
660 |
1070 |
990 |
930 |
305 |
5 |
64 |
4550 |
512 |
24-Φ48 |
|
900 |
711 |
1180 |
1090 |
1025 |
- |
5 |
66 |
5250 |
595 |
28-Φ54 |
|
1000 |
811 |
1305 |
1210 |
1140 |
- |
5 |
68 |
5870 |
660 |
28-Φ48 |
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