高压手动球阀参考CB／T3191-92标准生产，适用于船舶空气、二氧化碳灭火、海水及液压油管路。
High-oressyre nabyak bakk vakve us referring to CB／T3191-92，used for shipping pipse of air．C02 fire.sea water and hydraulic oil．
基本参数表 Parameter List
| 类别Type | 名称Name | 公称压力PN(MPa)NominaIPressure | 公称通径DN(mm)NominaIDiameter |
| C | 按JB970连接的球阀 Ball valve connected as per Jb970 | 32 | 10-32 |
| D | 按法兰连接的球阀 Ball valve connected as per flange | 20 | 40、50、80 |
| E | 按法兰连接的球阀 Ball valve connected as per flange | 20 | 10-65 |