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服务热线021-34613198
〖DH44Y低温旋启式止回阀〗
【DH44Y低温旋启式止回阀-产品说明】
DH44Y 型 150(Lb)~600(Lb) 低温旋启式止回阀适用于介质单向流动的管路上，阻止介质回流，以防发生事故。
【DH44Y低温旋启式止回阀-主要外形尺寸】
|
公称通径 |
尺寸 | ||||||||
|
mm |
in |
L |
D |
D1 |
D2 |
b |
f |
n-Φd |
H |
|
DH44Y-150Lb | |||||||||
|
50 |
2 |
203 |
152 |
120.5 |
92 |
16 |
1.6 |
4-19 |
180 |
|
80 |
3 |
241 |
192 |
152.5 |
127 |
19 |
1.6 |
4-19 |
190 |
|
100 |
4 |
297 |
229 |
190.5 |
157 |
24 |
1.6 |
8-19 |
203 |
|
125 |
5 |
330 |
254 |
216 |
186 |
24 |
1.6 |
8-22 |
229 |
|
150 |
6 |
356 |
279 |
241.5 |
216 |
26 |
1.6 |
8-22 |
257 |
|
200 |
8 |
495 |
342 |
298.5 |
270 |
29 |
1.6 |
8-22 |
292 |
|
250 |
10 |
622 |
406 |
362 |
324 |
31 |
1.6 |
12-25 |
355 |
|
300 |
12 |
698 |
483 |
432 |
381 |
32 |
1.6 |
12-25 |
396 |
|
DH44Y-300Lb | |||||||||
|
50 |
2 |
267 |
165 |
127 |
92 |
23 |
1.6 |
8-19 |
178 |
|
80 |
3 |
318 |
210 |
168.5 |
127 |
29 |
1.6 |
8-22 |
216 |
|
100 |
4 |
356 |
254 |
200 |
157 |
32 |
1.6 |
8-22 |
241 |
|
125 |
5 |
400 |
279 |
235 |
186 |
35 |
1.6 |
8-22 |
267 |
|
150 |
6 |
444 |
318 |
270 |
216 |
37 |
1.6 |
12-22 |
305 |
|
200 |
8 |
533 |
381 |
330 |
270 |
42 |
1.6 |
12-25 |
368 |
|
250 |
10 |
622 |
445 |
387 |
324 |
48 |
1.6 |
16-29 |
394 |
|
300 |
12 |
711 |
521 |
451 |
381 |
51 |
1.6 |
16-32 |
445 |
|
DH44Y-600Lb | |||||||||
|
50 |
2 |
295 |
165 |
127 |
92 |
33 |
6.4 |
8-19 |
203 |
|
80 |
3 |
359 |
210 |
168 |
127 |
36 |
6.4 |
8-22 |
235 |
|
100 |
4 |
435 |
273 |
216 |
157 |
45 |
6.4 |
8-25 |
286 |
|
125 |
5 |
511 |
330 |
266.5 |
186 |
52 |
6.4 |
8-29 |
292 |
|
150 |
6 |
562 |
356 |
292 |
216 |
55 |
6.4 |
12-29 |
330 |
|
200 |
8 |
664 |
419 |
349 |
270 |
63 |
6.4 |
12-32 |
381 |
|
250 |
10 |
791 |
510 |
432 |
324 |
71 |
6.4 |
16-35 |
457 |
|
300 |
12 |
842 |
559 |
489 |
381 |
74 |
6.4 |
20-35 |
584 |
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