| Diameter internal [mm] | Depression Millimeter of mercury [mmHg, torr] | Depression [bar] | Pressure [bar] |
| 102 | 500 | 0.667 | 0.300 |
| 127 | 500 | 0.667 | 0.300 |
| 152 | 500 | 0.667 | 0.300 |
| 160 | 500 | 0.667 | 0.300 |
| 178 | 500 | 0.667 | 0.275 |
| 203 | 500 | 0.667 | 0.275 |
| 220 | 300 | 0.400 | 0.275 |
| 229 | 300 | 0.400 | 0.275 |
| 254 | 300 | 0.400 | 0.250 |
| 305 | 300 | 0.400 | 0.175 |
| 356 | 300 | 0.400 | 0.150 |
| 380 | 300 | 0.400 | 0.130 |
| 407 | 300 | 0.400 | 0.125 |
| 425 | 300 | 0.400 | 0.120 |
| 457 | 300 | 0.400 | 0.110 |
| 508 | 250 | 0.333 | 0.100 |
| 525 | 250 | 0.333 | 0.100 |
| 600 | 200 | 0.267 | 0.085 |
| 760 | 150 | 0.200 | 0.075 |