Purpose: to open and close the passageways of pipelines for oil and petro-condensate mixtures.
| Code | ВШ НKT-60 | ВШ НKT-73 | ВШ НKT-89 | ВШ НKT-114 |
| Nominal diameter, mm | 32 | 39 | 47 | 60 |
| Working pressure, MPa | 10 | 10 | 10 | 10 |
| Directions of working reagent | One-sided | One-sided | One-sided | One-sided |
| Length (mm) | 250 | 265 | 281 | 298 |
| Width (mm) | 87 | 104 | 120 | 148 |
| Height (mm) | 127 | 131 | 155 | 159 |
| Weight, kg | 4,5 | 6,5 | 11,0 | 18,0 |