| Vacuum pump | |
 | Vapour jet vacuum pumps (1) |
| | Liquid ring vacuum pumps (7) |
| | Slide vane rotary vacuum pumps (1) |
| | Roots vacuum pumps (2) |
| | Membrane vacuum pumps (1) |
| | Liquid jet vacuum pumps (1) |
| Vacuum pump | |
| | Vapour jet vacuum pumps (1) |
| | Liquid ring vacuum pumps (7) |
| | Slide vane rotary vacuum pumps (1) |
| | Roots vacuum pumps (2) |
| | Membrane vacuum pumps (1) |
| | Liquid jet vacuum pumps (1) |
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