| 1. | Standard for qualification of control valve stem seals
控制阀门密性封的鉴定标准 |
| 2. | 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 |
| 3. | Safer and tighter stem seal
更安全、更紧密地阀杆密封。 |
| 4. | Backseat ? machined bonnet stem bushing provides back - up stem seal
后座-经过精密加工的阀盖阀杆衬套实现后座阀杆密封。 |
| 5. | Valve stem seal bonded seal
汽门油封 |
| 6. | Body stem seal
本体阀杆密封 |
| 7. | Valve stem seal
汽门油封 |
| 8. | It has two stem sealing : one is stuffing box and another is toroidal sealing ring ( o - ring )
本阀阀杆密封分为两种形式：一为填料密封；一为o型密封环密封。 |
| 9. | Two o - rings in gland follower provide additional stem seal protection to assure tightness of less than 1 ppm
密封压盖随动件内的两个o形环为阀杆提供更加安全的密封保护，以确保泄漏率不会超过百万分之一。 |
| 10. | If necessary , the stem and stem seal may be removed from the bonnet by removing the retainer ring and handle and screwing the stem out the under - side of the bonnet
如果必要的话，阀杆和阀杆密封可能要从阀帽上拆卸下来，要在阀帽的下方先拆卸挡圈和手柄，以及阀座上的螺丝。 |
