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美标升降式止回阀产品特点：
美标止回阀压力:150LB-900LB口径:1/2"-32"材质:碳钢/不锈钢
美标升降式止回阀尺寸表:
磅级
Class |
公称通径DN |
尺 寸 |
| in |
mm |
d |
L |
D |
D1 |
D2 |
b |
H |
Z-φd |
| 150Lb |
11/2 |
40 |
38 |
165 |
127 |
98.4 |
73 |
14.5 |
154 |
4-φ15 |
| 2 |
50 |
51 |
203 |
152 |
120.6 |
92 |
16 |
175 |
4-φ19 |
| 21/2 |
65 |
64 |
216 |
178 |
139.7 |
105 |
17.5 |
177 |
4-φ19 |
| 3 |
80 |
76 |
241 |
191 |
152.4 |
127 |
24.0 |
191 |
4-φ19 |
| 4 |
100 |
102 |
292 |
229 |
190.5 |
157 |
24.0 |
222 |
8-φ19 |
| 6 |
150 |
152 |
356 |
279 |
241.3 |
216 |
25.5 |
325 |
8-φ22 |
| 8 |
200 |
203 |
495 |
343 |
298.4 |
270 |
29.0 |
383 |
8-φ22 |
| 10 |
250 |
254 |
622 |
406 |
361.9 |
324 |
30.5 |
448 |
12-φ25 |
| 12 |
300 |
305 |
698 |
483 |
431.8 |
381 |
32.0 |
540 |
12-φ25 |
| 14 |
350 |
357 |
787 |
533 |
476.2 |
413 |
35.0 |
560 |
12-φ29 |
| 300Lb |
11/2 |
40 |
38 |
241 |
156 |
114.3 |
73 |
21.0 |
172 |
4-φ22 |
| 2 |
50 |
51 |
267 |
165 |
127 |
92 |
22.5 |
198 |
8-φ19 |
| 21/2 |
65 |
64 |
292 |
190 |
149 |
105 |
25.5 |
204 |
8-φ22 |
| 3 |
80 |
76 |
318 |
210 |
168.3 |
127 |
29.0 |
222 |
8-φ22 |
| 4 |
100 |
102 |
356 |
254 |
200 |
157 |
32 |
277 |
8-φ22 |
| 6 |
150 |
152 |
445 |
318 |
269.9 |
216 |
37.0 |
346 |
12-φ22 |
| 8 |
200 |
203 |
533 |
381 |
330 |
270 |
42.0 |
412 |
12-φ25 |
| 10 |
250 |
254 |
622 |
445 |
387.5 |
324 |
48.0 |
465 |
16-φ29 |
| 12 |
300 |
305 |
711 |
520 |
451 |
381 |
51.0 |
562 |
16-φ32 |
| 600Lb |
11/2 |
40 |
38 |
241 |
156 |
114.5 |
73 |
30 |
- |
4-φ22 |
| 2 |
50 |
51 |
292 |
165 |
127 |
92 |
33 |
- |
8-φ19 |
| 21/2 |
65 |
64 |
330 |
190 |
149 |
100 |
36 |
- |
8-φ22 |
| 3 |
80 |
76 |
356 |
210 |
168 |
127 |
39 |
- |
8-φ22 |
| 4 |
100 |
102 |
432 |
273 |
216 |
157 |
45 |
- |
8-φ25 |
| 6 |
150 |
152 |
559 |
356 |
292 |
216 |
55 |
- |
12-φ29 |
| 8 |
200 |
200 |
660 |
419 |
349 |
270 |
63 |
- |
12-φ32 |
| 10 |
250 |
248 |
787 |
508 |
432 |
324 |
71 |
- |
16-φ35 |
| 12 |
300 |
298 |
838 |
559 |
489 |
381 |
74 |
- |
20-φ35 |
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