目录
材质 |
型号 |
WCB |
H74H/X-16C,H74H/X-25,H74H/X-40 |
304 |
H74H/X-16P,H74H/X-25P,H74H/X-40P |
316 |
H74H/X-16R,H74H/X-25R,H74H/X-40R |
对夹单瓣旋启式止回阀性能规范 |
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公称压力(MPa) |
1.6 |
2.5 |
4.0 |
|
密封试验压力(MPa) |
1.76 |
2.75 |
4.4 |
|
壳体试验压力(MPa) |
2.4 |
3.75 |
6.0 |
|
适用温度(℃) |
WCB≤350,304/316≤200 |
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材料 |
阀体 |
WCB,304,316 |
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阀板 |
WCB,304,316 |
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密封圈 |
合金钢,橡胶 |
对夹单瓣旋启式止回阀外形尺寸(mm) |
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通径 |
L |
D1 |
D |
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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 |
- |
|
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