咨询热线：0755-29748800
产品名称：进口电站止回阀
品牌：美国MILLER
联系人：黄先生
咨询热线：0755-29748800
在线QQ：916223289
品牌：美国MILLER
美国MILLER进口电站止回阀概述：
美国MILLER进口电站止回阀是美国米勒根据是遵循ANSIB16.34标准生产，进口止回阀是指依靠介质本身流动而自动开、闭阀瓣，用来防止介质倒流的阀门，又称逆止阀、单向阀、逆流阀、和背压阀。止回阀属于一种自动阀门，其主要作用是防止介质倒流、防止泵及驱动电动机反转，以及容器介质的泄放。止回阀还可用于给其中的压力可能升至超过系统压的辅助系统提供补给的管路上。止回阀主要可分为旋启式止回阀（依重心旋转）与升降式止回阀（沿轴线移动）。
美国MILLER进口电站止回阀参数：
公称通径：DN15-DN1000
公称压力：150LB-4500LB
设计温度：-29℃-550℃
连接方式：焊接、法兰
适用介质：气、水、油、蒸汽、燃气、腐蚀性流体等
美国MILLER进口电站止回阀部件：
|
体、盖、瓣 |
阀杆 |
垫片 |
密封面 |
工作温度℃ |
适用介质 |
|
WCB |
2Cr13 |
增强柔性石墨 |
13Cr |
≤425 |
水 蒸气 油品 硝酸 醋酸 |
|
WC1 |
≤450 | ||||
|
WC6 |
≤540 | ||||
|
WC9 |
≤570 | ||||
|
C5 C12 |
≤540 | ||||
|
CF8 |
304 |
≤200 | |||
|
CF8M |
316 | ||||
|
CF3 |
304L | ||||
|
CF3M |
316L |
美国MILLER进口电站止回阀尺寸：
|
公称通径NPS |
单位 |
主要外形尺寸和连接尺寸（mm) |
重量 | |||||||
|
in |
mm |
L |
D |
D1 |
D2 |
b |
z-d |
H | ||
|
2" |
50 |
in |
9.00 |
6.00 |
4. 75 |
3.62 |
0. 75 |
4-0. 75 |
6.34 |
16.6 |
|
mm |
203 |
157 |
120. 7 |
92 |
19.5 |
4-19 |
161 | |||
|
2 1/2" |
65 |
in |
8.50 |
7 .00 |
5.50 |
4.12 |
0.88 |
4-0. 75 |
7 .08 |
22.5 |
|
mm |
216 |
178 |
139. 7 |
105 |
22.5 |
4-19 |
180 | |||
|
3" |
80 |
in |
9.50 |
7 .50 |
6.00 |
5.00 |
0.94 |
4-0.75 |
7 .48 |
32.5 |
|
mm |
241 |
190.5 |
152.4 |
127 |
24 |
4-19 |
190 | |||
|
4" |
100 |
in |
11.50 |
9.00 |
7 .50 |
6.19 |
0.94 |
8-0. 75 |
8.66 |
53.8 |
|
mm |
292 |
229 |
190.5 |
157 .2 |
24 |
8-19 |
220 | |||
|
6" |
150 |
in |
14.00 |
11.0 |
9.50 |
8.50 |
1.00 |
4-0.88 |
10.12 |
83.8 |
|
mm |
356 |
279 |
241.5 |
216 |
25.5 |
8-22.5 |
257 | |||
|
8" |
200 |
in |
19.50 |
13.50 |
11. 75 |
10.62 |
1.12 |
8-0.88 |
11.50 |
141.3 |
|
mm |
495 |
343 |
298.5 |
270 |
29 |
8-22.5 |
292 | |||
|
10" |
250 |
in |
24.5 |
16.00 |
14.25 |
12. 75 |
1.19 |
12-1.00 |
13. 78 |
190.5 |
|
mm |
622 |
406 |
362 |
324 |
30.5 |
12-25 |
350 | |||
|
12" |
300 |
in |
27 .50 |
19.00 |
17 .00 |
15.00 |
1.25 |
12-1.00 |
15.60 |
292 |
|
mm |
699 |
483 |
432 |
381 |
32 |
12-25 |
398 | |||
|
公称通径NPS |
单位 |
主要外形尺寸和连接尺寸（mm) |
重量(kg) | |||||||
|
in |
mm |
L |
D |
D1 |
D2 |
b |
z-d |
H | ||
|
API 300Lb | ||||||||||
|
2" |
50 |
in |
10.50 |
6.5 |
5.0 |
3.62 |
0.88 |
8-0.75 |
7 .06 |
21 |
|
mm |
267 |
165 |
127 |
92 |
22.5 |
8-19 |
179.5 | |||
|
3" |
80 |
in |
12.50 |
8.25 |
6.62 |
5.00 |
1.12 |
8-0.88 |
8.36 |
47 |
|
mm |
318 |
210 |
168 |
127 |
29.0 |
8-22.5 |
212.4 | |||
|
4" |
100 |
in |
14.00 |
10.00 |
7 .88 |
6.19 |
1.25 |
8-0.88 |
9.69 |
69 |
|
mm |
356 |
254 |
200 |
157 |
32.0 |
8-22.5 |
246 | |||
|
6" |
150 |
in |
17 .50 |
12.50 |
10.62 |
8.50 |
1.44 |
12-0.88 |
11.50 |
133 |
|
mm |
445 |
317 .5 |
269. 7 |
216 |
37 .0 |
12-22.5 |
292 | |||
|
8" |
200 |
in |
21.00 |
15.00 |
13.00 |
10.62 |
1.62 |
12-1.00 |
12. 91 |
165.5 |
|
mm |
533 |
381 |
330 |
270 |
41.5 |
12-25.5 |
328 | |||
|
10" |
250 |
in |
24.50 |
17 .50 |
15.25 |
12. 75 |
1.88 |
16-1.12 |
14. 9 |
208 |
|
mm |
622 |
444.50 |
387 |
324 |
48.0 |
16-28.5 |
378.6 | |||
|
12" |
300 |
in |
28.00 |
20.50 |
17. 75 |
15.00 |
2.00 |
16-1.25 |
16.53 |
296 |
|
mm |
711 |
521 |
451 |
381 |
51.0 |
16-32 |
420 | |||
|
API 400Lb | ||||||||||
|
2" |
50 |
in |
11.50 |
6.50 |
5.00 |
3.62 |
1.00 |
8-0.75 |
7 .55 |
26 |
|
mm |
292 |
165 |
127 |
92 |
25.5 |
8-19 |
192 | |||
|
3" |
80 |
in |
14.00 |
8.25 |
6.62 |
5.00 |
1.25 |
8-0.88 |
8.66 |
53 |
|
mm |
356 |
210 |
168 |
127 |
32 |
8-22.5 |
220 | |||
|
4" |
100 |
in |
16.00 |
10.00 |
7 .88 |
6.19 |
1.38 |
8-1.00 |
9.64 |
72 |
|
mm |
406 |
254 |
200 |
157 |
35 |
8-25.5 |
245 | |||
|
6" |
150 |
in |
19.50 |
12.50 |
10.62 |
8.50 |
1.62 |
12-1.00 |
11.61 |
136.5 |
|
mm |
495 |
317 .5 |
270 |
216 |
41.5 |
12-25.5 |
295 | |||
|
8" |
200 |
in |
23.50 |
15.00 |
13.00 |
10.62 |
1.88 |
12-1.12 |
12.99 |
207.3 |
|
mm |
597 |
381 |
330 |
270 |
48 |
12-28.5 |
330 | |||
|
10" |
250 |
in |
26.50 |
17 .50 |
15.52 |
12. 75 |
2.12 |
16-1.25 |
14.96 |
300.9 |
|
mm |
673 |
445 |
387 |
324 |
54 |
16-32 |
380 | |||
|
12" |
300 |
in |
30.00 |
20.50 |
17. 75 |
15.00 |
2.25 |
16-1.38 |
16. 73 |
390 |
|
mm |
762 |
520 |
450.8 |
381 |
57 .5 |
16-35 |
425 | |||
|
API 600Lb | |||||||||||
|
公称通径NPS |
单位 |
主要外形尺寸和连接尺寸（mm) |
重量(kg) | ||||||||
|
in |
mm |
L |
D |
D1 |
D2 |
D8 |
b |
Z-d |
H | ||
|
2" |
50 |
in |
11.61 |
6.50 |
5.0 |
425 |
3.25 |
0. 98 |
8-0. 75 |
7 .99 |
34 |
|
mm |
295 |
165 |
127 .0 |
108 |
82.6 |
25 |
8-19 |
203 | |||
|
3" |
80 |
in |
14.13 |
8.27 |
6.62 |
5. 75 |
4.87 |
1.26 |
8-0.88 |
9.25 |
63 |
|
mm |
359 |
210 |
168.1 |
146 |
123 .8 |
32 |
8-22 |
235 | |||
|
4" |
100 |
in |
17 .13 |
10. 75 |
8.50 |
6.89 |
5.87 |
1.50 |
8-1.00 |
11.26 |
114 |
|
mm |
435 |
273 |
215. 9 |
175 |
149.2 |
38 |
8-25 |
286 | |||
|
6" |
150 |
in |
22.13 |
14.0 |
11.5 |
9.49 |
8.31 |
1.89 |
12-1.14 |
13.00 |
207 |
|
mm |
562 |
356 |
292.1 |
241 |
211.1 |
48 |
12-29 |
330 | |||
|
8" |
200 |
in |
26.14 |
16.50 |
13. 74 |
11.89 |
10.63 |
2.20 |
12-1.26 |
15.00 |
387 |
|
mm |
664 |
419 |
349.1 |
302 |
269.9 |
56 |
12-32 |
381 | |||
|
10" |
250 |
in |
31.14 |
20.0 |
17 .0 |
14.02 |
12. 75 |
2.25 |
16-1.38 |
18.00 |
580 |
|
mm |
791 |
508 |
431.8 |
356 |
323.8 |
64 |
16-35 |
457 | |||
|
12" |
300 |
in |
33.15 |
22.00 |
19.25 |
16.26 |
15.0 |
2.64 |
20-1.38 |
23.00 |
778 |
|
mm |
842 |
559 |
489 |
413 |
381.0 |
67 |
20-35 |
584 | |||
实际尺寸以代理商提供为准，更多尺寸请与代理商联系
10.5pt">12. 75
2.25
16-1.38
18.00
580
mm
791
508
431.8
356
323.8
64
16-35
457
12"
300
in
33.15
22.00
19.25
16.26
15.0
2.64
20-1.38
23.00
778
mm
842
559
489
413
381.0
67
20-35
584
实际尺寸以代理商提供为准，更多尺寸请与代理商联系
