C12M-Plunger Upper Valve Cover
|
Valve Rod |
Code |
API Code |
Lq，mm |
|---|---|---|---|
| 11/16” | C12M-106（XX） | C12M-106 | 38.10 |
| 11/16” | C12M-125（XX） | C12M-125 | 38.10 |
| 11/16” | C12M-150-20（XX） | C12M-150-20 | 38.10 |
| 7/8” | C12M-150-25（XX） | C12M-150-25 | 38.10 |
| 7/8” | C12M-175（XX） | C12M-175 | 38.10 |
| 7/8” | C12M-200（XX） | C12M-200 | 38.10 |
| 1 1/16” | C12M-225（XX） | C12M-225 | 38.10 |
| 1 1/16” | C12M-250（XX） | C12M-250 | 38.10 |
| 1 1/4” | C12M-325（XX） | — | 38.10 |
Note:
- XX represents the material identification code;
- Lq is the depth of the countersinkat the threaded end of the pipeline tube. Increasing the length of Lq effectively reduces the occurrence of fractures at the root of the valve rod threads, making it suitable for deep wells and high-frequency wells.
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