特点及用途
该产品严格按API标准进行设计、制造和验收，结构紧凑、密封可靠、操作灵活，适用于石油化工、电力、冶金、纺织等工业部门。
设计标准：API 600
法兰标准：ANSI B16.5
结构长度：ANSI B16.10
试验标准：API 598
试验压力：
| 试验 压力
|
公称压力PN |
| 150L4b |
300Lb |
600Lb |
| 壳体强度试验 |
水 |
3.1 |
7.8 |
15 |
| 高压密封试验 |
2.2 |
5.6
|
11 |
| 上密封试验 |
2.2 |
5.6 |
11 |
| 低压密封试验 |
空气 |
0.5~0.7 |
主要零件材料及适用工况：
| 阀体材料 |
WCB(C) |
CF8(P) |
CF8M(R) |
WC6 WC9(V) |
CF3(P) |
CF3M(R) |
| 工作温度(℃) |
≤425 |
≤275 |
≤275 |
≤550 |
≤200 |
≤200 |
| 适用介质 |
水、蒸汽、油品 |
醋酸类 |
醋酸类 |
水、蒸汽 |
酸碱 |
酸碱 |
尺寸图纸：
主要尺寸和重量：
| 公称通径 |
单位 |
主要外形尺寸和连接尺寸（mm) |
重量（kg) |
| in |
mm |
L |
D |
D1 |
D2 |
b |
f |
Z-d |
D0 |
H |
| API 1500Lb |
| 2" |
50 |
in |
8.00 |
6.00 |
4. 75 |
3.62 |
0. 75 |
0.06 |
4-0. 75 |
7 .09 |
13. 78 |
24 |
| mm |
203 |
152 |
120. 7 |
92 |
19.5 |
1.6 |
4-19 |
180 |
350 |
| 3" |
80 |
in |
9.5 |
7 .50 |
6.00 |
5.00 |
0.94 |
0.06 |
4-0. 75 |
11.02 |
15. 91 |
38 |
| mm |
241 |
190.5 |
152.5 |
127 |
24 |
1.6 |
4-19 |
280 |
404 |
| 4" |
100 |
in |
11.50 |
9.00 |
7 .50 |
6.19 |
0. 94 |
0.06 |
8-0. 75 |
11.02 |
17 .87 |
54 |
| mm |
292 |
229 |
190.5 |
157 |
24 |
1.6 |
8-19 |
280 |
454 |
| 6" |
150 |
in |
16.00 |
11.00 |
9.50 |
8.50 |
1.00 |
0.06 |
8-0.88 |
12.60 |
19.33 |
104 |
| mm |
406 |
279 |
241.5 |
216 |
25.5 |
1.6 |
8-22.5 |
320 |
491 |
| 8" |
200 |
in |
19.50 |
13.50 |
11. 75 |
10.62 |
1.12 |
0.06 |
8-0.88 |
14.17 |
21.54 |
133 |
| mm |
495 |
343 |
298.5 |
270 |
29 |
1.6 |
8-22.5 |
360 |
547 |
| API 300Lb |
| 2" |
50 |
in |
10.50 |
6.50 |
5.00 |
3.62 |
0.88 |
0.06 |
8-0. 75 |
7. 78 |
16.30 |
34 |
| mm |
267 |
165 |
127 |
92 |
22.5 |
1.6 |
8-19 |
200 |
414 |
| 2 1/2" |
65 |
in |
11.50 |
7 .50 |
5.88 |
4.12 |
1.00 |
0.06 |
8-0.88 |
9.45 |
18.35 |
46 |
| mm |
292 |
190.5 |
149.3 |
1.5 |
25.5 |
1.6 |
8-22.5 |
240 |
466 |
| 3" |
80 |
in |
12.50 |
8.25 |
6.62 |
5.00 |
1.12 |
0.06 |
8-0.88 |
11.02 |
18.35 |
56 |
| mm |
318 |
210 |
168 |
127 |
29 |
1.6 |
8-22.5 |
280 |
466 |
| 4" |
100 |
in |
14.00 |
10.00 |
7 .88 |
6.19 |
1.25 |
0.06 |
8-0.88 |
12.60 |
20. 79 |
80 |
| mm |
356 |
254 |
200 |
157 |
32 |
1.6 |
8-22.5 |
320 |
528 |
| 6" |
150 |
in |
17 .50 |
12.50 |
10.62 |
8.50 |
1.44 |
0.06 |
12-0.88 |
17 .32 |
26. 70 |
154 |
| mm |
445 |
317 .5 |
269. 7 |
216 |
37 |
1.6 |
12-22.5 |
440 |
678 |
| API 600Lb |
| 2" |
50 |
in |
11.5 |
6.5 |
5 |
3.62 |
1 |
1 |
8-87 |
9. 78 |
16.93 |
32 |
| mm |
292 |
165 |
127 |
92.1 |
26 |
26 |
8-20 |
250 |
430 |
| 3" |
80 |
in |
14 |
8.25 |
6.62 |
5 |
1.25 |
1.25 |
8-0.97 |
14 |
20.87 |
60 |
| mm |
356 |
210 |
168.3 |
127 |
32 |
32 |
8-23 |
355 |
530 |
| 4" |
100 |
in |
17 |
10. 75 |
8.5 |
6.18 |
1.5 |
1.5 |
8-1.00 |
17. 75 |
25.56 |
100 |
| mm |
432 |
273 |
216 |
157 .2 |
38.1 |
38.1 |
8-25 |
450 |
650 |
| 6" |
150 |
in |
22.00 |
14.00 |
11.50 |
8.5 |
1.87 |
1.87 |
12-1.12 |
22.00 |
33.43 |
190 |
| mm |
559 |
356 |
292 |
216 |
48 |
48 |
12-29 |
560 |
850 |
| 8" |
200 |
in |
26.00 |
16.50 |
13. 75 |
10.62 |
2.18 |
2.18 |
12-1.25 |
24.81 |
41.31 |
310 |
| mm |
660 |
419 |
350 |
27 |
55.6 |
55 .6 |
12-32 |
630 |
1050 |
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