| 
  H74对夹单瓣旋启式止回阀 H74 Clip-on single valve flap swing type check valve 主要尺寸 Main dimensions 
 
通径 DN(mm) | 
L | 
D1 | 
D |  
| PN1.0、1.6MPa | 
PN2.5、4.0MPa | 
1.0MPa | 
1.6MPa | 
2.5MPa | 
4.0MPa |  
| 50 | 
19 | 
19 | 
25 | 
109 | 
109 | 
109 | 
109 |  
| 65 | 
19 | 
19 | 
38 | 
129 | 
29 | 
129 | 
129 |  
| 80 | 
19 | 
19 | 
46 | 
144 | 
144 | 
144 | 
144 |  
| 100 | 
19 | 
19 | 
71.5 | 
164 | 
164 | 
170 | 
170 |  
| 125 | 
19 | 
19 | 
95 | 
194 | 
194 | 
196 | 
196 |  
| 150 | 
19 | 
29 | 
114 | 
220 | 
220 | 
226 | 
226 |  
| 200 | 
29 | 
29 | 
140 | 
275 | 
275 | 
286 | 
293 |  
| 250 | 
29 | 
38 | 
188 | 
330 | 
331 | 
343 | 
355 |  
| 300 | 
38 | 
51 | 
216 | 
380 | 
386 | 
403 | 
420 |  
| 350 | 
44 | 
51 | 
263 | 
440 | 
446 | 
460 | 
477 |  
| 400 | 
51 | 
51 | 
305 | 
491 | 
495 | 
517 | 
549 |  
| 450 | 
60 | 
76 | 
356 | 
541 | 
558 | 
567 | 
574 |  
| 500 | 
64 | 
83 | 
406 | 
596 | 
620 | 
622 | 
626 |  
| 600 | 
70 | 
90 | 
482 | 
698 | 
732 | 
734 | 
745 |  
| 700 | 
80 | 
90 | 
562 | 
813 | 
804 | 
831 | 
- |  
| 800 | 
90 | 
100 | 
464 | 
918 | 
912 | 
942 | 
- |  
| 900 | 
90 | 
100 | 
738 | 
1018 | 
1012 | 
1040 | 
- |  
| 1000 | 
100 | 
120 | 
846 | 
1124 | 
1126 | 
1155 |    |