Function: for blocking the through holes in the injection manifolds of the drilling pumps.
| Identity code of the stopcock | ZPR-100x32 | ZPR-100x40 |
| Nominal diameter, mm | 100 | 100 |
| Working pressure: MPa | 32 | 40 |
| Length (mm) | 450 | 450 |
| Width (mm) | 450 | 450 |
| Height (mm) | 770 | 770 |
| Weight, kg | 126 | 126 |