API 截止阀
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。

主要性能规范
|
试验压力 |
公称压力(MPa) |
|
150Lb |
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 |
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
主要零件材料及适用工况
|
阀体材料 |
WCB(C) |
CF8(P) |
CF8M(P) |
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 |
硝酸类 |
醋酸类 |
水、蒸汽 |
酸碱 |
酸碱 |
主要尺寸及重量
|
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 |
|
Class 150Lb |
|
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 |
|
Class 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 |
|
21/2" |
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 |
12.5 |
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 |
69.7 |
216 |
37 |
1.6 |
12-22.5 |
440 |
678 |
|
Class 600Lb |
|
2" |
50 |
in |
11.5 |
6.50 |
5 |
3.62 |
1 |
1 |
8-0.75 |
9.78 |
16.93 |
42 |
|
mm |
292 |
165 |
127 |
92.1 |
26 |
26 |
8-19 |
250 |
430 |
|
3" |
80 |
in |
14 |
8.25 |
6.62 |
5 |
1.25 |
1.25 |
8-0.88 |
14 |
20.87 |
60 |
|
mm |
356 |
210 |
168.3 |
127 |
32 |
32 |
8-22 |
355 |
530 |
|
4" |
100 |
in |
17 |
10.75 |
8.5 |
6.18 |
1.5 |
1.5 |
8-1.00 |
17.55 |
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 |
|