高壓手動球閥參考CB／T3191-92標準生產，適用于船舶空氣、二氧化碳滅火、海水及液壓油管路。
High-oressyre nabyak bakk vakve us referring to CB／T3191-92，used for shipping pipse of air．C02 fire.sea water and hydraulic oil．
基本參數表 Parameter List
| 類別Type | 名稱Name | 公稱壓力PN(MPa)NominaIPressure | 公稱通徑DN(mm)NominaIDiameter |
| C | 按JB970連接的球閥 Ball valve connected as per Jb970 | 32 | 10-32 |
| D | 按法蘭連接的球閥 Ball valve connected as per flange | 20 | 40、50、80 |
| E | 按法蘭連接的球閥 Ball valve connected as per flange | 20 | 10-65 |