金口閥門（中國臺灣）有限公司
金口閥門（中國臺灣）有限公司
在我國，球閥被廣泛的應用在石油煉制、長輸管線、化工、造紙、制藥、水利、電力、市政、鋼鐵等行業，在國民經濟中占有舉足輕重的地位。它具有旋轉90度的動作，旋塞體為球體，有圓形通孔或通道通過其軸線。
| Parts and materials list | |
| Part | Material |
| Body | Cast Bronze |
| Bonnet | Cast Bronze |
| Stem | Brass |
| Ball | Brass |
| Ball seat | PTFE |
| O-ring | Viton |
| Handle | SUS 304 |
| Spring washer | SUS 304 |
| 3/8 | 1/2 | 3/4 | 1 | 1-1/4 | 1-1/2 | 2 | |
| Size | 10 | 15 | 20 | 25 | 32 | 40 | 50 |
| L | 43 | 50.5 | 58.4 | 71.8 | 78.5 | 91 | 104.5 |
| H | 37.5 | 37.5 | 40.5 | 44 | 61 | 66 | 81 |
 | 80 | 80 | 80 | 113.5 | 133 | 133 | 149 |
| D | 8 | 10 | 15 | 20 | 25 | 32.5 | 43 |
NOTE :
*Stem can be changed into stainless steel material or dezincification resistant brass material.
*Ball can be changed into stainless steel material.
Working pressure marking = 600psi
Water, Oil, Air in normal temperature = 28kgf/cm2
Water, Oil, Air under 120°C = 7kgf/cm2
Hydrostatic test pressure
Shell =42kgf/cm2
Seat = 6kgf/cm2
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