|
|
|
| Diameter | CHeck Valve SVJ 33 | Check Valve SVJ 42 |
| D (mm) | 50 | 60 |
| D1 (mm) | 23 | 30 |
| L (mm) | 190 | 190 |
Check valve serves to prevent losses during lavage drilling.
Slúži na zamedzenie straty výplachu pri výplachovom vŕtaní.
|
|
|
| Diameter | CHeck Valve SVJ 33 | Check Valve SVJ 42 |
| D (mm) | 50 | 60 |
| D1 (mm) | 23 | 30 |
| L (mm) | 190 | 190 |
Check valve serves to prevent losses during lavage drilling.
Slúži na zamedzenie straty výplachu pri výplachovom vŕtaní.
English
Slovenčina