YFZ-B STAGE CEMENTER
Features:
- The external-closing structure eliminates the possible damage to the closing sleeve when drilling out accessories.
- The pressure-relief design eliminates fluid trapping and compression which might occur while opening and closing the side ports.
- All accessories are non-rotating and made of easily drillable materials.
- Pump-Down Opening instead of a Free-Fail Opening Plug can be used in a continuous two-stage cementing operation.
Technical parameters
| Specifications | 13 3/8" | 10 3/4" | 9 5/8" | 7 5/8" |
| Overall Length ,mm | 1010 | |||
| Max O.D. ,mm | 384 | 310 | 282.5 | 230 |
| Min I.D. ,mm | 315 | 252 | 220.5 | 174.2 |
| Opening Pressure ,MPa | 7 | |||
| Closing Pressure ,MPa | 5 | |||
