| 1. | Some pistons have seating rings of metal or leather .
有些活塞上有金属或皮革的密封环。 |
| 2. | Seat ring is seal welded to eliminate leak path
阀座环通过密封焊接，消除泄漏通道。 |
| 3. | Seat ring ? threaded into body for easy maintenance
阀座环-通过螺纹装配到阀体内，易于维护。 |
| 4. | Measurement of the seat ring ' s displacement during interface welding
合拢缝焊接过程中座环变位监测 |
| 5. | Valve seat insert valve seat ring
气门座镶圈嵌镶式气门座圈 |
| 6. | Seat ring ? heavy duty , threaded
阀座环-坚固耐用，螺纹。 |
| 7. | Detachable endless taper bead seat ring
可拆卸锥形座圈 |
| 8. | All gate valves are available with optional ptfe seat rings
所有闸阀都可以配置备选的聚四氟乙烯( ptfe )阀座环。 |
| 9. | The seat ring may be removed and replaced by pulling out the two wire retainers
通过取出两个线圈固定器可以拆卸和更换。 |
| 10. | Seat rings ? separate heavy duty , full ported rings for easy maintenance
阀座环-分离式重型、全流道(全端口)环，易于维护。 |
