型号 |
阀体 |
阀瓣 |
弹簧 |
H71H-16Q 、H71H-25Q |
QT400-15 |
25 |
50CrVA |
H71W-25H、 H71W-40H |
2Cr13 |
1Cr13 |
1Cr18Ni9Ti |
H71W-25P 、H71W-40P |
ZG1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
型号 |
公称压力(MPa) |
试验压力(MPa) |
适用温度(℃) |
适用介质 |
|
壳体 |
密封 |
|
|
|
|
H71H-16Q |
1.6 |
2.4 |
1.76 |
≤235 |
水、蒸汽、油品等 |
H71H-25Q |
2.5 |
3.75 |
2.75 |
≤235 |
|
H71W-25H |
≤300 |
|
|
|
|
H71W-25P |
≤200 |
硝酸等腐蚀性介质 |
|
|
|
H71W-40H |
4.0 |
6.0 |
4.4 |
≤300 |
水、蒸汽、油品等 |
H71W-40P |
≤200 |
硝酸等腐蚀性介质 |
|
|
|
公称通径 |
公称压力PN1.0MPa |
|||||
尺寸/mm |
||||||
L |
D |
D1 |
D2 |
b |
Z-Φd |
|
50 |
60 |
160 |
125 |
100 |
20 |
4-Φ18 |
65 |
67 |
180 |
145 |
120 |
20 |
4-Φ18 |
80 |
73 |
195 |
160 |
135 |
22 |
4-Φ18 |
100 |
73 |
215 |
180 |
155 |
22 |
8-Φ18 |
125 |
86 |
245 |
210 |
185 |
24 |
8-Φ18 |
150 |
98 |
280 |
240 |
210 |
24 |
8-Φ23 |
200 |
127 |
335 |
295 |
265 |
26 |
8-Φ23 |
250 |
146 |
390 |
350 |
320 |
28 |
12-Φ23 |
300 |
181 |
440 |
400 |
368 |
28 |
12-Φ23 |
350 |
184 |
500 |
460 |
428 |
30 |
16-Φ23 |
400 |
191 |
565 |
515 |
482 |
32 |
16-Φ25 |
450 |
203 |
615 |
565 |
532 |
32 |
20-Φ25 |
500 |
219 |
670 |
620 |
585 |
34 |
20-Φ25 |
600 |
222 |
780 |
725 |
685 |
36 |
20-Φ30 |
700 |
305 |
895 |
840 |
800 |
38 |
24-Φ30 |
800 |
305 |
1010 |
950 |
905 |
44 |
24-Φ34 |
1000 |
432 |
1220 |
1160 |
1115 |
50 |
28-Φ34 |
1200 |
524 |
1450 |
1380 |
1325 |
56 |
32-Φ41 |
公称通径 |
公称压力PN1.6MPa |
|||||
尺寸/mm |
||||||
L |
D |
D1 |
D2 |
b |
Z-Φd |
|
50 |
60 |
160 |
125 |
100 |
16 |
4-Φ18 |
65 |
67 |
180 |
145 |
120 |
18 |
4-Φ18 |
80 |
73 |
195 |
160 |
135 |
20 |
8-Φ18 |
100 |
73 |
215 |
180 |
155 |
20 |
8-Φ18 |
125 |
86 |
245 |
210 |
185 |
22 |
8-Φ18 |
150 |
98 |
280 |
240 |
210 |
24 |
8-Φ23 |
200 |
127 |
335 |
295 |
265 |
26 |
12-Φ23 |
250 |
146 |
405 |
355 |
320 |
30 |
12-Φ25 |
300 |
181 |
460 |
410 |
375 |
30 |
12-Φ25 |
350 |
184 |
520 |
470 |
435 |
34 |
16-Φ25 |
400 |
191 |
580 |
525 |
485 |
36 |
16-Φ30 |
500 |
219 |
705 |
650 |
608 |
44 |
20-Φ34 |
公称通径 |
公称压力PN2.5MPa |
|||||
尺寸/mm |
||||||
L |
D |
D1 |
D2 |
b |
Z-Φd |
|
50 |
60 |
160 |
125 |
100 |
16 |
4-Φ18 |
65 |
67 |
180 |
145 |
120 |
18 |
4-Φ18 |
80 |
73 |
195 |
160 |
135 |
20 |
8-Φ18 |
100 |
73 |
215 |
180 |
155 |
20 |
8-Φ23 |
125 |
86 |
245 |
210 |
185 |
22 |
8-Φ25 |
150 |
98 |
280 |
240 |
210 |
24 |
8-Φ25 |
200 |
127 |
335 |
295 |
265 |
26 |
12-Φ25 |
250 |
146 |
405 |
355 |
320 |
30 |
12-Φ30 |
300 |
181 |
460 |
410 |
375 |
30 |
12-Φ30 |
350 |
184 |
520 |
470 |
435 |
34 |
16-Φ34 |
400 |
191 |
580 |
525 |
485 |
36 |
16-Φ34 |
500 |
219 |
705 |
650 |
608 |
44 |
20-Φ41 |