| Professional valve manufacturer |
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| H11 Vertical Lift Check Valves |
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| 性能规范 specifications |
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| 公称压力 Nominal pressure |
PN |
1.6,2.5,4.0,6.5 |
Mpa |
| 强度试验压力 Strength testing pressure |
PT |
2.4,3.8,6.0,9.6 |
| 低压气密封试验压力 Seat testing pressure（low pressure） |
0.6 |
Mpa |
| 高压气密封试验压力 Seat testing pressure（high pressure |
1.8,2.8,4.4,7.1 |
| 适用介质 Applicable medium |
水、油、气WATER,oil，Gas |
硝酸类 Nitric acid |
醋酸类 Acetic acid |
| 适用温度Applicable temperature |
（-150~300℃） | |
| |
| SIZE |
3/8″ |
1/2″ |
3/4″ |
1″ |
1¼″ |
1½″ |
2″ |
2½″ |
3″ |
4″ |
| A |
54 |
57 |
64 |
75 |
82 |
93 |
100 |
120 |
140 |
158 |
| B |
34.5 |
34.5 |
41.5 |
48 |
60.5 |
71 |
87 |
120 |
140 |
172 | | |
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