为保证阀体正常运转和最佳气密性，请定期更换备品备件。
回转阀之备品备件
| SHAFT SEAL | 轴封 |
|---|---|
| bearing | 推拔式滚珠轴承 |
| o-ring | o型环 |
| ball bearing | 滚珠轴承 |
| packing | 止漏垫片 |
| double lip seal | 双唇轴封 |
| wear ring | 耐磨环 |
| labyrinth | 迷宫环 |
| seal | 止漏环垫 |
| washer | 垫圈 |
分项阀之备品备件
| bush | 自润轴承 |
|---|---|
| o-ring | O型环 |
| seat ring | 阀座环 |
| back ring | 背托环 |
闸刀阀之备品备件
| seat | 自润轴承 |
|---|---|
| gasket | O型环 |
| gland packing | 阀座环 |