| 1. | The connecting rod may drive a valve stem directly .
连杆可以直接带动阀门的把柄。 |
| 2. | Standard for qualification of control valve stem seals
控制阀门密性封的鉴定标准 |
| 3. | Products oil seals special seal valve stem seal
产品介绍油封-密封件特殊油封汽门油封 |
| 4. | Clean exposed portion of valve stem ( do not scratch )
清洗阀杆的外露部分（不要划伤） 。 |
| 5. | Turn valve stem ( 5 ) until valve is in full open position
旋转阀门的阀杆直到阀门处于全开的位置。 |
| 6. | Valve stem position transmitter
阀位发送器 |
| 7. | Dimmension of valve stem end
阀杆端部尺寸 |
| 8. | Dimension of valve stem head
阀杆头部尺寸 |
| 9. | Valve stem seal bonded seal
汽门油封 |
| 10. | Valve stem unbalance
阀杆不平衡力 |
